The combined power system using a rotation speed and torque difference detector device for proportional control

Abstract: This design discloses a combined power system installed with an active power source (101) and an auxiliary power source (102) wherein it is characterized in that by using the rotation speed signal of the active powersource and the rotation torque difference between the active power source and the output shaft (100) as the control reference basis, the auxiliary power source is controlled to provide porportional auxiliary speed driving, or proportional auxiliary torque driving, or reverse damping from the regeneration braking.

Description: The invention relates to a combined driving apparatus including a primary power source having a rotating shaft for driving an output shaft via a device, and an auxiliary power source, for driving or for braking the output shaft. All references in this specification to the 'active power source' refer to the primary power source. US 4335429 discloses a combined driving apparatus according to the preamble of claim 1, built into a hybrid vehicle having an internal combustion engine, a relatively large motor/generator and a relatively small motor/generator which are controlled by a microcomputer based on the required torque of the vehicle as a function of time. In order to minimise fuel consumption, the engine is permitted to run only in its most efficient range of operation. The two motors can be driven together or one of the motors can be operated as a brake for the other one. It is an aim of the present invention to improve the above combined driving apparatus. The invention is defined by claim 1 and other inventive and advantageous features are defined in the sub-claims. Various embodiments of the present invention will now be described by way of example only and with reference to the drawings in which: Figure 1 is the system block schematic diagram of the invention. Figure 2 is the first embodying example schematic diagram of the co-generative type rotation speed and rotation torque detector device of the invention. Figure 3 is the second embodying example schematic diagram of the co-generative type rotation speed and rotation torque detector device of the invention. Figure 4 is the operation characteristic diagram of figure 2 and figure 3. Figure 5 is a block schematic diagram of the invention illustrating a proportional auxiliary speed driving constituted by a double-acting rotational electrical machine structure. Figure 6 is a block schematic diagram of the invention illustrating a proportional auxiliary torque driving constituted by an electrical machine structure. Figure 7 is the first schematic diagram of the invention illustrating the embodiment of the electrical machine and the planetary (or differential) wheel system. Figure 8 is the second schematic diagram of the invention illustrating the embodiment of the electrical machine and the planetary (or differential) wheel system. The embodiments shown in Figures 9-13 do not form part of the invention. Figure 9 is a system block schematic diagram of the controllable combined power system exclusively using the rotation speed of the active power source for proportional control reference. Figure 10 is a system block schematic diagram of the controllable combined power system constituted by a double-acting rotational electrical machine structure exclusively using the rotation speed of the active power source for proportional control reference. Figure 11 is a system block schematic diagram of the controllable combined power system constituted by an active power source on a common shaft type electrical machine structure exclusively using the rotation speed of the active power source for proportional control reference. Figure 12 is the first system block schematic diagram of a controllable combined power system constituted by an electrical machine structure and planetary (or differential) wheel train exclusively using the rotation speed of the active power source for proportional control reference. Figure 13 is the second system block schematic diagram of a controllable combined power system constituted by an electrical machine structure and planetary (or differential) wheel train exclusively using the rotation speed of the active power source for proportional control reference. DETAILED DESCRIPTION OF THE INVENTION The innovative design of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control discloses a combined power system including a primary power source having a rotating shaft (105) for driving an output shaft (100) via a device (111), and an auxiliary power source, for driving or braking. By using the rotation speed signal of the primary power source output shaft (100) and the torque difference between the rotating shaft (105) and the output shaft (100) detected by the device (111) as the control reference basis, the auxiliary power source (102) is controlled to provide proportional auxiliary speed driving, or proportional auxiliary torque driving, or reverse damping from the regeneration braking. The interaction between the primary power source, auxiliary power source and the output shaft includes all or part of the following functions: 1) By referring to the rotation speed signal of the primary power source and the torque difference detected by the co-generative type rotation speed and torque detector device as the basis, the auxiliary power source provides correspondingly proportional auxiliary driving to commonly drive the load together with the primary power source; 2) the primary power source drives the load independently; 3) The auxiliary power source drives the load independently; 4) By referring to the rotation speed signal of the active power source and the torque difference with the output shaft detected by the co-generative type rotation speed and torque detector device as the basis, the auxiliary power source provides power regeneration effect or the counter driving to generate a correspondingly reverse braking power to limit the output shaft and the load; 5) By referring to the rotation speed signal of the active power source and the torque difference with the output shaft detected by the co-generative type rotation speed and torque detector device as the basis, the auxiliary power source provides power regeneration effect or the counter driving to generate a reverse damping through the correspondingly reverse kinetic energy; 6) The output shaft is lock fixed to possess the function of item 5 independently. The design is by using the rotation speed signal of the active power source and the torque difference with the output shaft detected by the co-generative type rotation speed and torque detector device as the reference to control the auxiliary power source to provide additive auxiliary driving in the same direction according to the preset corresponding auxiliary driving ratio, whereof the auxiliary driving includes: 1)To provide unidirectional or double-directional auxiliary driving, whereof the auxiliary driving ratio between the active power source and the auxiliary power source can be by using the rotation speed of the active power source and the torque difference with the output shaft detected by the co-generative type rotation speed and rotation torque detector device to do preset ratio auxiliary driving or to do random control by manual operating device; 2)To provide reverse damping function status of the output inertia, wherein the auxiliary power source is controlled by a manual operating device or by the rotation speed of the active power source and the torque difference with the output shaft detected by the co-generative type rotation speed and rotation torque detector device, whereby it is through the power regeneration effect or counter driving to provide the reverse torque as the damping, or 3) To be as the load damping of the active power source, wherein the auxiliary power source is randomly controlled by a manually operated device or is controlled by using the rotation speed of the active power source and the torque difference between the active power source and the load acting auxiliary power source detected by the co-generative type rotation speed and rotation torque detector device as the control basis, and is further through the power regeneration effect or counter driving to generate load damping; thereof the above functions are the progressive and innovative features of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control and in addition, the rotation speed can be used exclusively for the operating control reference basis according to the system requirement to constitute the combined power operation; The principle and its various application examples and functions of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control is delineated as follows: Figure 1 is the system block schematic diagram of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control, wherein its basic embodiment includes the following: An active power source 101: It is a power device driven manually or by electric power or other mechanical power and is capable of performing rotational movements, whereof its power output shaft 105 is directly coupled or power coupled with the auxiliary power source 102 or load 106 through unidirectional devices with the auxiliary power source or the load; An co-generative type rotation speed and rotation torque detector device 111: It is an analog or digital rotation speed and rotation torque detector device which can be used to detect the rotation speed and direction of rotating shaft 105 of the active power source 101 and the torque difference with the output shaft 100 for the control basis, whereof the detecting signal is generated by the electromagnetic effect or photoelectric effect or other physical effects, whereof the co-generation method is comprised of having one single detected structure to produce synthesized signal of the rotation speed and the rotation torque difference or synthesizing the separated signals from the two individual detected structure; An auxiliary speed detector device 112: It is an analog or digital type rotation speed detector device which is installed to detect the rotation speed of the auxiliary power source or the output shaft and input such signal to the central controller 114 to provide speed limiting or other output speed control signal feedback, whereof it can be omitted for an open type system; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said active power source 101 and the output shaft 100 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional-actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100: It is installed between the output side and the rotation speed and rotation torque detector device 111 for transmitting the rotational kinetic energy; A manual operating device 113: It is a input control device comprised of electromechanical or solid state electronic components as well as the relevant control mechanism interfaces, wherein it can be manually operated to produce digital or analog electric power signal or to receive inputs from other electric power signal interfaces for transmitting to the central controller 114, and for further controlling the operating power of the auxiliary power source in order to provide proportional auxiliary driving or proportional reverse damping; A central controller 114: It is an analog or digital electric circuit device comprised of electromechanical or solid state electronic components, or microprocessors, wherein it refers to the cogenerating type rotation speed and rotation torque detector device 111 driven by the active power source 101 and the random commands from the manual operating device 113 to control the electrical driving device 115 and further to drive the auxiliary power source 102 for motor function operation or power regeneration function operation; therein the operation between the active power source 101, auxiliary power source 102 and the output shaft 100 can be either linear or non-linear proportional auxiliary driving or proportional damping functions as required, and the system can be a closed ring type, open ring type, or semi-closed ring type constructions; An electrical machine driving device 115: It is comprised of electromechanical or solid state electronic device, wherein it is operated by the control of the central controller 114 or by the manual operating device 113 to control the input/output power and the rotational directions of the auxiliary power source 102; An Auxiliary power source 102: It is a rotational electrical machine which has motor functions or further has the generator functions, whereof its embodying types are comprised of a double-acting rotational electrical machine 102A or of a static and rotor combination electrical machines 102C,102C or 102D, wherein the coupling methods of the different embodying types with the active power source 101 has different operating functions; A power supply 116: It provides the needed supply power to the auxiliary power source, central controller, electrical machine driving device, the input operating device and the peripheral control devices or to further reserve the regeneration power from the auxiliary power source; A load 106: It is constituted by the rotational or linear translational mechanism accepting the rotational power input. Figure 2 is the first embodying schematic diagram of the cogenerating type rotational speed and rotational torque detector device of the invention, which is mainly comprised of the following: An active power source rotation shaft 105: It is driven by the rotational kinetic energy of the active power source 101, wherein a screw interactive structure 201 is provided between the active power source rotation shaft 105 and the shaft hole of the axially translatable rotor 211 of the cogenerating type rotational speed and rotational torque detector device, whereof the screw interactive structure 201 is comprised of a tooth thread or toothless roller thread screw, wherein the screw angle can be bi-directional interactive, i.e. the active power source rotation shaft 105 can be rotated to cause the axially translatable rotor 211 translated axially, or the axially translatable rotor 211 under pressure can reverse drive the active power source rotation shaft 105 to rotate, or the axially translatable rotor 211 can be rotated by itself; a jackshaft assembly for axial translational or rotational transmission or other lock key mechanism 215 for axial sliding and rotational transmission is provided between the axially translatable rotor 211 and the output shaft 100 for driving the output side, thereby to allow for the relative axial translation during the rotational transmission between them while maintaining the transmission status; A pre-compressed spring 202 is installed between the active power source rotation shaft 105 itself and the active power source 101, whereby the axially translatable rotor 211 is pre-compressed, whereby the relative axial translation is produced according to the direction and intensity of the transmission torque during the rotational power transmission between the active power source rotation shaft 105 and the axially translatable rotor 211, thereof the axial translatable rotor 211 is correspondingly coupled with the static structure installed on the casing 121, whereby the detector electric power signal is produced during the rotation interaction, whereof the intensity of the electric power detecting signal is determined by the relative rotation speed and the axial coupling positions between the axially translatable rotor 211 and the static structure, thereof the rotation speed is determined by the absolute rotation speed between the active power source 101 and the casing 121, and the axial relative positions is determined by the torque difference between the active power source 101 and the output shaft 100, whereby the axial rotational translation produced by the axially translatable rotor 211 and the pre-compressed spring 202 further changes the axial coupling status between the axially translatable rotor 211 and the static structure; The cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, wherein the static structure can be comprised of the magnetic conducting iron core 213 and the electric power detector winding 212, and the axially translatable rotor 211 can be comprised of a structure having a magnetic pole 216 and a shaft hole with interacting screw, whereof the structure between the static structure and the axially translatable rotor can be constituted by a cylindrical or bevel cone structure; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, wherein when the rotation torque is zero, its output signal can be either zero, or can be set as larger than or smaller than zero; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, when the rotation speed is zero, its output signal can be either zero, or can be otherwise set to be larger than or smaller than zero; The detected signal by the cogenerating type rotation speed and rotation torque detector device 111 can be an analog or a digital signal, wherein the analog signal can be through the analog operational amplifier circuit for signal comparison or signal synthesis, whereby it can be treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative power driving from the auxiliary power source 102 and to limit its largest power, wherein for the case of digital signal, the signal is treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative control on the auxiliary power source 102 and to limit its largest power; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said active power source 101 and the output shaft 101 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100: It is driven by the rotational kinetic energy of the active power source 101 through the axially translatable rotor 211, and is driven by the rotational kinetic energy of the auxiliary power source 102, wherein the rotating methods with the auxiliary power source 102 include the indirect driving mechanism through transmission components to couple with the auxiliary power source 102, or the direct coupling between the output shaft 100 and the rotor of the auxiliary power source 102, whereof the methods of its coupling with the load include the direct coupling with the load, or through the transmission devices such as gear, chain wheel and linkages to drive the load. Figure 3 is the second embodying schematic diagram of the cogenerating type rotational speed and rotational torque detector device of the invention, wherein the main structure of the embodying example of figure 3 is characterized to be comprised of an axially translatable rotor 311 and the static structure for detecting the torque difference between the active power source rotation shaft 105 and the output shaft 100 to generate axial translation and to further provide relative power signal, as well as another device of a driving rotation speed detector 300 installed between the active power source rotation shaft 105 and casing 121, whereby the cogenerating type rotation speed and rotation torque detector device 111 is commonly constituted by the aforesaid two devices, and is mainly comprised of the following: An active power source rotation shaft 105: It is driven by the rotational kinetic energy of the active power source 101, wherein a screw interactive structure 201 is provided between the active power source rotation shaft 105 and the shaft hole of the axially translatable rotor 311 of the cogenerating type rotational speed and rotational torque detector device, whereof the screw interactive structure 201 is comprised of a tooth thread or toothless roller thread screw, wherein the screw angle can be bi-directional interactive, i.e. the active power source rotation shaft 105 can be rotated to cause the axially translatable rotor 311 translated axially, or the axially translatable rotor 311 under pressure can reverse drive the active power source rotation shaft 105 to rotate, or the axially translatable rotor 311 can be rotated by itself; a jackshaft assembly for axial translational or rotational transmission or other lock key mechanism 215 for axial sliding and rotational transmission is provided between the axially translatable rotor 311 and the output shaft 100 for driving the output side, thereby to allow for the relative axial translation during the rotational transmission between them while maintaining the transmission status; A pre-compressed spring 202 is installed between the active power source rotation shaft 105 itself and the active power source 101, whereby the axially translatable rotor 311 is pre-compressed, whereby the relative axial translation is produced according to the direction and intensity of the transmission torque during the rotational power transmission between the active power source rotation shaft 105 and the axially translatable rotor 311, thereof the axial translatable rotor 311 is correspondingly coupled with the static structure installed on the casing 121, whereby the detector electric power signal is produced during the rotation interaction, whereof the intensity of the electric power detecting signal is determined by the axial relative coupling position between the axially translatable rotor 311 and the static structure, whereof the axial relative position is determined by the torque difference between the active power source 101 and the output shaft 100, whereby the axial rotational translation produced by the axially translatable rotor 311 and the pre-compressed spring 202 further changes the axial coupling status between the axially translatable rotor 311 and the static structure, and the driving speed detector device 300 is installed between the active power source 101 and the casing 121 for detecting the absolute rotation speed between the two; The cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 311 and the static structure, wherein the static structure can be comprised of the magnetic conducting iron core 313, the first winding 310 as the input AC signal source, and the secondary winding 312 for providing translation detecting power signal and the axially translatable rotor 311 can be comprised of a structure having a magnetic conducting iron core 313 and a shaft hole structure with interactive screw; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 311 and the static structure, regardless the relative position of the axially translatable rotor, when the rotation torque is zero, its output signal can be either zero, or can be set as larger than or smaller than zero; The output signal can be zero when the rotation speed of the aforesaid driving speed detector device 300 is zero; The aforesaid torque difference signal and the absolute rotation speed signal can be either an analog or a digital signal, wherein the analog signal can be synthesized by the analog operational amplifier circuit, whereby it can be treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative power driving from the auxiliary power source 102 and to limit its largest power, wherein for the case of digital signal, the signal is treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative control on the auxiliary power source 102 and to limit its largest power; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said active power source 101 and the output shaft 101 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100: It is driven by the rotational kinetic energy of the active power source 101 through the axially translatable rotor 311, and is driven by the rotational kinetic energy of the auxiliary power source 102, wherein the rotating methods with the auxiliary power source 102 include the indirect driving mechanism through transmission components to couple with the auxiliary power source 102, or the direct coupling between the output shaft 100 and the rotor of the auxiliary power source 102, whereof the methods of its coupling with the load include the direct coupling with the load, or through the transmission devices such as gear, chain wheel and linkages to drive the load. Figure 4 is the operation characteristic diagram of figure 2 and figure 3. Figure 4 is a conceptual schematic diagram illustrating the comparisons of the detected results of the said rotation speed and rotation torque detector device 111 in figure 2 and 3, and the interactive relationship between the synthesized voltage signal, rotation speed and the rotation torque, therein the synthesized output voltage, the rotation speed and the rotation torque appear in linear or non-linear proportional interaction, whereof it appears in positive or reverse proportion in normal operation, and the coupling interaction between the axially translatable rotor and the static structure appear in positive or reverse proportion. Figures 5∼8 illustrates the application examples constituted by the different auxiliary power sources embodying types, wherein they are described as following: (A) Figure 5 is a block schematic diagram of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control, wherein the auxiliary power source is a double-acting rotational electrical machine 102A which is comprised of the first interactive rotor 103 and second interactive rotor 104, whereof they are mutually driven and are constituted by the magnetic field and rotors, thereof its structure can be in cylindrical, cup, disk or cone shapes, and their electrical machine structure and its operating embodiments include: DC or AC, synchronous or asynchronous, brush or brush-less rotational electrical machine embodying types, wherein it is characterized in that the first interactive rotor 103 is coupled with the cogenerating type rotation speed and rotation torque detector device 111 through the output shaft 100, and is further coupled with the active power source rotation shaft 105, while the second interactive rotor 104 is directly or through transmission components to drive the rotation output interface 126; wherein an unidirectional clutch 122 can be installed between the active power source rotation shaft 105 and the casing 121 as required for selecting one of the direction to avoid reverse driving, and the unidirectional clutch can be omitted if this function is discarded, thereof for the aforesaid embodying types of the first interactive rotor 103 and the second interactive rotor 104, one of them is in electrical machine field structure and the other is in the electrical machine rotor structure, wherein both or one of them can be further installed with auxiliary conducting ring 107, conducting brush 117 and a brush seat to match with the double-acting embodying types and to transmit power during the double-acting driving, whereof its structure and function features can be selected to include one or several of the following functions at the same time: 1) The speed addition auxiliary driving function by controlling the speed ratio: The first interactive rotor 103 through the output shaft 100 is coupled with the cogenerating type rotation speed and rotation torque detector device 111 and is further coupled with the active power source 101, while the second interactive rotor 104 is connected to the rotation output interface 126; 2) A reverse damping function corresponding to the active power source: The second interactive rotor 104 is at standstill, while the first interactive rotor 103 provides reverse torque contrary to the operating direction of the active power source 101, wherein the reverse torque can be smaller than the rotation torque of the active power source 101 and in reverse direction of the active power source; 3) Kinetic energy recovery of the load 106 inertia or providing the damping function to the back-transferred power of load 106: The first interactive rotor 103 is at standstill, and the second interactive rotor 104 provides regeneration function and to further generate damping. (B)Figure 6 is a block schematic diagram of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control illustrating that active power source and the auxiliary power source are on the common shaft: The static casing 133 of the auxiliary power source 102B is fixed, while the rotor 134 drives the load 106, thereof the electrical machine embodying types include AC or DC, synchronous or asynchronous, brush or brush-less electrical machines, wherein its embodiment and structure features can be selected to include part or all of the following functions: 1) The active power source 105 through the unidirectional clutch 122 and the rotation output interface shaft 126 of the electrical machine 102B appears in co-axial structure to drive the load 106, wherein if the system is open type, then the unidirectional clutch 122 can be omitted; 2) The cogenerating type rotation speed and rotation torque detector device 111 is installed between the active power source rotation shaft 105 or its driven rotational structure and the static structure, whereby it is employed to detect the rotation speed of the active power source 101 and its torque difference with the output shaft 100 for system operation control reference basis; 3) The torque difference between the active power source and the output shaft 100 detected by the cogenerating type rotation speed and rotation torque detector device is utilized for proportional auxiliary driving function: The active power source is rotated to drive the cogenerative type rotation speed and rotation torque detector device 111, and to further generate the corresponding signal to the central controller 114, while when the rotation speed signal reaches above the setting value, the auxiliary power source electrical machine 102B is driven by the electrical machine driving device 105 to generate the auxiliary driving torque in the same direction with the active power source rotation shaft, and the auxiliary driving torque is controlled according to the setting ratio of the central controller 114, or the auxiliary driving torque is determined by the manual operating device 113, central controller 114 and the random control of the electrical machine driving device 115 on the auxiliary power source electrical machine 102B; 4) The rotation speed of the auxiliary driving of the auxiliary power source electrical machine 102B and the synthesized driving of the active power source 101 to the load 106 is always smaller than the driven rotation speed by the active power source 101; 5) The corresponding reverse damping function to the rotation speed of the active power source 101: It is by referring to the rotation speed of the active power source and the torque difference with the output shaft 100 detected by the rotation speed and rotation torque detector device 111 as basis and the auxiliary power source electrical machine 102B is controlled through the central controller 114 to generate reverse damping, whereof the control method is the same as the aforesaid operating process for the auxiliary driving, except that the torque direction and the active power source 101 are contrary to each other, wherein the reverse torque is generated according to the set ratio of the central controller 114 or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the auxiliary power source electrical machine 102B for adjusting the capacity of the reverse torque; 6) The maximum value of the controllable reverse torque damping of the auxiliary power source electrical machine 102B is always smaller than the driving torque of the active power source 101 on the auxiliary power source electrical machine 102B, or when the system is selected for reverse driving operation, the active power source 101 is reverse driven by the auxiliary power source electrical machine, and while the active power source 101 becomes the reverse driven load, the rotation torque of the auxiliary power source electrical machine 102B is always larger than or equal to the rotation torque of the active power source 101; 7) Kinetic energy recovery function: The auxiliary power source electrical machine 102B is directly converted to perform generator function, whereby to provide power generation output for mechanical damping. (C) Figure 7 is the first schematic diagram of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control illustrating the embodiment of the electrical machine and the planetary (or differential) wheel system: Wherein the auxiliary power source of the system is constituted by the electrical machine 102C, whereof its electrical machine static casing 133 is fixed, while the load 106 is driven by the rotor 134, whereof the electrical machine types include AC or DC, synchronous or asynchronous, brush or brush-less electrical machine, wherein its structural or function features can be selected to include one or several of the following functions at the same time: 1) The active power source rotation shaft 105 is coaxially installed with the electrical machine 102C, whereby it is through the unidirectional clutch 122 to couple with the output swing arm 118 driven by the planetary wheel 110 for connecting to the rotation output interface 126, the rotating shaft of the rotor 134 is through the sun wheel 108 and the outer ring wheel 109 of the electrical machine stator casing 133 to couple with the planetary type differential wheel train for connection to the rotational output interface 126, wherein if the system is open type, then the unidirectional clutch 122 can be omitted; 2) The cogenerating type rotation speed and rotation torque detector device 111 is installed between the active power rotation shaft 105 or its driven rotational structure and the static structure to detect the rotation speed of the active power source 101 and the torque difference with the output shaft 100 for system operation control basis; 3) The proportional auxiliary driving function according to the rotation speed of the active power source: The cogenerating type rotation speed and rotation torque detector device 111 is driven by the rotation of the active power source 101 to produce corresponding signal and to transmit the signal to the central controller 114, when the rotation signal reaches above the set value, the auxiliary power source electrical machine 102C driven by the electrical machine driving device 115 along with the swing 118 driven by the planetary wheel 110 of the planetary wheel train driven by the active power source rotation shaft through the unidirectional transmission device 122 provides auxiliary driving torque in the same rotation direction, whereby the auxiliary driving torque is controlled according to the set ratio of the central controller 114, or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the auxiliary power source electrical machine 102C for adjusting the capacity of the auxiliary driving torque, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; 4) The auxiliary driving by the auxiliary power source 102C and the synthesized driving rotation speed of the active power source 101 to the load 106 is always smaller than the driven rotation speed by the active power source 101; 5) The corresponding reverse damping function to the rotation speed of the active power source 101: It is by referring to the rotation speed of the active power source and the torque difference with the output shaft 100 detected by the rotation speed and rotation torque detector device 111 as basis and the auxiliary power source electrical machine 102C is controlled through the central controller 114 to generate reverse damping, whereof the control method is the same as the aforesaid operating process for the auxiliary driving, except that the torque direction and the active power source 101 are contrary to each other, wherein the reverse torque is generated according to the set ratio of the central controller 114 or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the capacity of the reverse torque; 6) The maximum value of the controllable reverse torque damping of the auxiliary power source electrical machine 102C: when the system is selected for reverse driven operation, the active power source 101 becomes the reverse driven load which is reverse driven by the auxiliary power source electrical machine 102C, the rotation torque of the auxiliary power source 102C is always large or equal to the rotation torque of the active power source 101; 7) Kinetic energy recovery function: The auxiliary power source electrical machine 102C is directly converted to perform generator function, whereby to provide power generation output for mechanical damping. (D) Figure 8 is the second schematic diagram of the combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control illustrating the embodiment of the electrical machine and the planetary (or differential) wheel system: whereof the auxiliary power source is constituted by the electrical machine 102D, whereby it is coupled with the active power source through the planetary(or differential) wheel train, whereof its electrical machine types include the AC or DC, synchronous or asynchronous, brush or brush-less electrical machine, wherein its structural or function features include the following functions: A proportional auxiliary driving function: The active power source 101, auxiliary power source electrical machine 102D and the rotational output interface 126 are respectively coupled with the sun wheel 108, planetary wheel 110 and the outer ring wheel 109 according to the relative speed ratio and function requirement, wherein the relationship between the active power source 101 and the auxiliary power source 102D is based on the rotation speed of the active power source detected by the cogenerating type rotation speed and rotation torque detector device 111 to control the auxiliary power source, whereby the proportional auxiliary driving between the two are achieved through the planetary (or differential)wheel train. The above said combined power system using a co-generative type rotation speed and rotation torque detector device for proportional control can be further installed with the following peripheral operating devices to expand the rage of applications, wherein it includes the following: An unidirectional clutch 122 can be series installed between the active power source 105 and the rotation output interface 126 for limitation to unidirectional rotation torque transmission, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; An unidirectional clutch 122 can be further installed between the active power source rotating shaft 105 and the casing 121, whereby the active power source is at standstill while the auxiliary power source drives the load according to the set rotation direction, wherein if the system is of open type, the unidirectional clutch 122 can be omitted; The controllable clutch 123 which can be operated manually, or controlled by the mechanical, fluid or electromagnetic power is further installed between the active power source 105 and the casing 121 to replace the unidirectional clutch 122, whereby when the clutch is released, the auxiliary speed or torque addition driving is performed between the active power source and the auxiliary power source according to corresponding ratio, or a reverse torque damping function is generated by the auxiliary power source to the active power source; thereof when the clutch is closed, the active power source is locked, while the load 106 is positively or reverse driven by the auxiliary power source, or the kinetic energy of the inertia of the load 106 is recovered for power regeneration, wherein if the system is of open type, the above said unidirectional clutch 122 or the controllable clutch 123 can both be omitted, or the controllable clutch can be omitted; When the auxiliary power source is a double-acting rotational electrical machine 102A, the controllable clutch 123 which can be operated manually, or controlled by the mechanical, fluid or electromagnetic power can be installed in between, whereby when the controllable clutch 123 is closed, the double-acting structure is inter-locked to allow the active power source driving the load 106 directly, wherein if the system is of open type, the controllable clutch 123 can be omitted; When the auxiliary power source electrical machine is 102B or 102C, then the electrical machine rotor 134 besides of direct coupling with the active power source 101 and direct connecting with the output shaft of the rotational output interface 126 or indirect coupling through transmission components, an unidirectional clutch 122 can be further installed to match with the interactive requirement between the three, whereof the location for installing the unidirectional clutch 122 and its kinetic energy transmission directivity include: thereof if the active power source is connected to rotational output interface 126 directly or through the transmission components, then the unidirectional clutch 122 is installed between the electrical machine rotor 134 of the auxiliary power source and any rotational component between the above said active power source and the rotational output interface 126, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirement, thereof if the auxiliary power source electrical machine rotor 134 is directly or through the transmission components to connect to the rotational output interface 126, then the unidirectional clutch 122 can be installed between the active power source 101 and any rotation component between the above said auxiliary power source 102B or 102C and the rotational output interface 126, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirements, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; When the auxiliary power source electrical machine 102D is coupled with the active power source through the planetary(or differential) wheel train, then a brake 124 can be further installed on the rotation shaft of the auxiliary power source electrical machine 102D, thereby to lock up the auxiliary power source and its transmission components while allowing the active power source directly drives the rotational output interface 126, or for the case of kinetic energy recovery, to lock up the active power source 101 while allowing the active power source electrical machine 102D reverse driven by the inertia of load 106 to do power regeneration and produce braking damping, wherein if the system is of open type, then the brake 124 can be omitted. In practical applications, the clutches and the control systems can be selected to include part or all of the following functions: By referring to the rotation speed of the active power source and the torque difference with the output shaft 100 as basis, the auxiliary power source is controlled for auxiliary driving; By referring to the rotation speed of the active power source and the torque difference with the output shaft 100 as basis, the auxiliary power source is operated to appear reverse torque corresponding to the active power source for providing damping, as well as on the foundation of the above said functions or part of them to further provide the auxiliary functions or part of them including controlling the auxiliary power source for positive or reverse directional driving independently, or power regeneration or kinetic energy recovery. In addition, to meet the different requirements in the simpler applications, which do not form part of the invention, the system operations in the aforesaid embodying examples can be simplified by employing the active power source speed detector device 900 exclusively to substitute for the rotation speed and torque difference detector device 111; therein the various applications and functions of the controllable combined power system exclusively using the rotation speed of the active power source for proportional control reference are delineated as follows: Figure 9 is a system block schematic diagram of a controllable combined power system exclusively using the rotation speed of the active power source for proportional control reference, wherein it is mainly comprised of the following: An active power source 101: It is a power device driven manually or by electric power or other mechanical power and is capable of performing rotational movements, whereof its power output shaft is directly coupled or power coupled with the auxiliary power source or load through unidirectional transmission devices; An active power source speed detector device 900: It is an analog or digital rotation speed and rotation torque detector device which can be used to detect the rotation speed and direction of rotating shaft of the active power source for the control basis; An auxiliary speed detector device 112: It is an analog or digital type rotation speed detector device which is installed to detect the rotation speed of the auxiliary power source or the output shaft and input such signal to the central controller 114 to establish a feedback circuit loop, whereof it can be omitted for an open type system; A manual operating device 113: It is a input control device comprised of electromechanical or solid state electronic components as well as the relevant control mechanism interfaces, wherein it can be manually operated to produce digital or analog electric power signal or to receive inputs from other electric power signal interfaces for transmitting to the central controller 114 to select system functions or to do setting or to randomly control the auxiliary driving ratio or damping ratio parameters for transmitting to the central controller 114, thereby to control the auxiliary driving ratio of the auxiliary power source, auxiliary driving torque ratio or reverse damping ratio; A central controller 114: It is an analog or digital electric circuit device comprised of electromechanical or solid state electronic components, or microprocessors, wherein it refers to the cogenerating type rotation speed detector device 900 driven by the active power source 101 and the random commands from the manual operating device to control the electrical driving device 115 on the speed, rotating direction or torque of the auxiliary power source 102,whereby to drive it for power regeneration function operation and to further control the peripheral operating devices such as clutches; therein the operation between the active power source, auxiliary power source and the output shaft can be either linear or non-linear proportional auxiliary driving or proportional damping functions as required, and the system can be a closed ring type, open ring type, or semi-closed ring type constructions; An electrical machine driving device 115: It is comprised of electromechanical or solid state electronic device, wherein it is operated by the control of the central controller 114 or by the manual operating device 113 to control the input/output power and the rotational directions of the auxiliary power source; A power supply 116: It provides the needed supply power to the auxiliary power source, central controller, electrical machine driving device, the input operating device and the peripheral control devices or to further reserve the regeneration power from the auxiliary power source; An Auxiliary power source 102: It is a motor driven by electric power, whereof its embodying types are comprised of a double-acting rotational electrical machine 102A or electrical machines 102C,102C or 102D, wherein the coupling methods of the different embodying types with the active power source 101 has different operating functions: (A) Figure 10 is a system block schematic diagram of a controllable combined power system constituted by a double-acting rotational electrical machine structure exclusively using the rotation speed of the active power source for proportional control reference, wherein except for that the speed detector device 900 supersedes the rotational speed and torque detector device 111, thereby to let the system be operated according to the speed detector device 900, its structure and interactive operations are the same as in the embodying example of figure 5. (B) Figure 11 is a system block schematic diagram of a controllable combined power system constituted by an active power source on a common shaft type electrical machine structure exclusively using the rotation speed of the active power source for proportional control reference, wherein except for that the speed detector device 900 supersedes the rotational speed and torque detector device 111, thereby to let the system be operated according to the speed detector device 900, its structure and interactive operations are the same as in the embodying example of figure 6. (C) Figure 12 is the first system block schematic diagram of a controllable combined power system constituted by an electrical machine structure and planetary (or differential) wheel train exclusively using the rotation speed of the active power source for proportional control reference, wherein except for that the speed detector device 900 supersedes the rotational speed and torque detector device 111, thereby to let the system be operated according to the speed detector device 900, its structure and interactive operations are the same as in the embodying example of figure 7. (D) Figure 13 is the second system block schematic diagram of a controllable combined power system constituted by an electrical machine structure and planetary (or differential) wheel train exclusively using the rotation speed of the active power source for proportional control reference, wherein except for that the speed detector device 900 supersedes the rotational speed and torque detector device 111, thereby to let the system be operated according to the speed detector device 900, its structure and interactive operations are the same as in the embodying example of figure 8. The aforesaid controllable combined power system exclusively using the rotation speed of the active power source for proportional control reference can be further installed with the following peripheral control devices to expand its application range: An unidirectional clutch 122 can be installed between the output rotating shaft 105 of the active power source 101 and the load 106 for unidirectional torque transmission limitations; or An unidirectional clutch 122 can be installed between the output rotating shaft 105 of the active power source 101 and the load 106, wherein while the auxiliary power source drives the load according to the set rotating direction, the active power source is at standstill; or A clutch operated manually, or controlled by the mechanical, fluid or electromagnetic power is further installed between the output rotating shaft 105 of the active power source 101 and the casing 121 to substitute for the unidirectional clutch 122; therein when the clutch is released, the active power source and the auxiliary power source undertake the speed or torque addition auxiliary driving, or the auxiliary power source generates reverse torque damping function corresponding to the active power source and when the clutch is closed, the active power source appears locked up while the auxiliary power source provide positive or reverse direction driving or kinetic energy recovery operations; or When the active power source is a double-acting type rotational electrical machine 102A, the clutch 123 which is operated manually, or controlled by the mechanical, fluid or electromagnetic power can further installed between them, and when the clutch 123 is closed, the double-acting structure appears at the interlocked status while the active power source drives the load directly; When the auxiliary power source electrical machine is 102B or 102C, then the electrical machine rotor 134 of the auxiliary power source besides of direct coupling with the active power source and direct connecting with the output shaft of the load directly or through transmission components, an unidirectional clutch 122 can be further installed to match with the interactive requirement between the three, whereof the location for installing the unidirectional clutch 122 and its kinetic energy transmission directivity include: thereof if the active power source is connected to the load directly or through the transmission components, then the unidirectional clutch 122 is installed between the electrical machine rotor 134 of the auxiliary power source and any rotational component between the above said active power source and the load, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirement, thereof if the auxiliary power source electrical machine rotor 134 is connected to the load directly or through the transmission components, then the unidirectional clutch 122 can be installed between the active power source and any rotation component between the above said auxiliary power source and the load, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirements; For an auxiliary power source comprised of the electrical machine 102D coupling with the active power source through the planetary (or differential) wheel train, a brake 124 can be further installed on rotating shaft of the auxiliary power source electrical machine 102D, thereby to lock up the auxiliary power source and its transmission components while the load is directly driven by the active power source, or for the case of kinetic energy recovery, the active power source is locked up while the auxiliary power source is reverse driven for power generation braking. In practical applications, the clutch and operating control system can be selected to adopt all or part of the following functions: By referring to the rotation speed of the active power source as control reference basis, the auxiliary power source is operated to provide speed addition auxiliary driving corresponding to the rotation speed ratio, or to provide torque auxiliary driving at the same direction as that of the active power source; or includes: By referring to the rotation speed of the active power source as control reference basis, the auxiliary power source is operated to appear reverse torque corresponding to the active power source for providing damping, as well as on the foundation of the above said functions or part of them to further provide the auxiliary functions or part of them including controlling the auxiliary power source for positive or reverse directional driving independently, or power regeneration or kinetic energy recovery. As summarized from the above descriptions, the combined power system uses a co-generative type rotation speed and rotation torque detector device for proportional control. It refers to the rotation speed of the active power source and the torque difference with the output shaft as control basis to correspondingly control the linear or non-linear proportional auxiliary driving between the active power source and the auxiliary power source, or to provide damping to the active power source through the reverse torque generated by the auxiliary power source. This system is innovative and is widely applicable in auxiliary driving of control mechanisms, electricity assisted carriers, controllable damping devices, etc.

Claims: A combined driving apparatus comprising: a primary power source (101) having a rotating shaft (105) for driving an output shaft (100) via a device (111); an auxiliary power source (102) for driving or for braking the output shaft (100); means (114) for controlling the auxiliary power source (102); characterised in that the device (111) comprises a rotation speed and torque difference detector for detecting the rotational speed of the output shaft (100) and for detecting the torque difference between the rotating shaft (105) and the output shaft (100); and in that the control means (114) uses the rotational speed signal of the output shaft (100) and the torque difference between the rotating shaft (105) and the output shaft (100) as the control reference basis. The apparatus according to claim 1, characterised in that the interaction between the primary power source (101), auxiliary power source (102) and the output shaft (100) includes all or part of the following functions: By referring to the rotational speed signal of the output shaft (100) and the detected torque difference as the basis, the auxiliary power source (102) provides correspondingly proportional auxiliary driving to commonly drive the load together with the primary power source (101) The primary power source (101) drives the load independently; The auxiliary power source (102) drives the load independently; By referring to the rotational speed signal of the output shaft (100) and the detected torque difference as the basis, the auxiliary power source (102) provides power regeneration effect or the counter driving to generate a correspondingly reverse braking power to limit the output shaft (100) and the load; By referring to the rotational speed signal of the output shaft (100) and the detected torque difference as the basis, the auxiliary power source (102) provides power regeneration effect or the counter driving to generate a reverse damping through the correspondingly reverse kinetic energy; The output shaft (100) is lock fixed to possess the function of item 5 independently. The apparatus according to claim 1 to 2, wherein it is by using the rotational speed signal of the output shaft (100) and the detected torque difference as the reference to control the auxiliary power source (102) to provide additive auxiliary driving in the same direction according to the preset corresponding auxiliary driving ratio, whereof the auxiliary driving includes: 1) To provide unidirectional or double-directional auxiliary driving, whereof the auxiliary driving ratio between the primary power source (101) and the auxiliary power source (102) can be by using the rotational speed of the output shaft (100) and the detected torque difference to do preset ratio auxiliary driving or to do random control by manual operating device; 2) To provide reverse damping function status of the output inertia, wherein the auxiliary power source (102) is controlled by a manual operating device or by the rotational speed of the output shaft (100) and the detected torque difference whereby it is through the power regeneration effect or counter driving to provide the reverse torque as the damping, or 3) To be as the load damping of the primary power source (101), wherein the auxiliary power source (102) is randomly controlled by a manually operated device or is controlled by using the rotational speed of the output shaft (100) and the detected torque difference as the control basis, and is further through the power regeneration effect or counter driving to generate load damping. The apparatus according to any one of the claims 1 to 3, wherein its basic embodiment includes the following: A primary power source (101) which is a power device driven manually or by electric power or other mechanical power and is capable of performing rotational movements, whereof its rotating shaft (105) is directly coupled or power coupled with an auxiliary power source 102 or load 106 through unidirectional devices with the auxiliary power source of the load; An co-generative type rotation speed and rotation torque detector device 111 which is an analog or digital rotation speed and rotation torque detector device which can be used to detect the rotation speed and direction of output shaft 100 and the torque difference between the output shaft 100 and the rotating shaft (105) for the control basis, whereof the detecting signal is generated by the electromagnetic effect or photoelectric effect or other physical effects, whereof the co-generation method is comprised of having one single detected structure to produce synthesized signal of the rotation speed and the rotation torque difference or synthesizing the separated signals from the two individual detected structure; An auxiliary speed detector device 112 which is an analog or digital type rotation speed detector device which is installed to detect the rotation speed of the auxiliary power source or the output shaft and input such signal to the central controller 114 to provide speed limiting or other output speed control signal feedback, whereof it can be omitted for an open type system; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said primary power source 101 and the output shaft 100 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional-actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100 which is installed between the output side and the rotation speed and rotation torque detector device 111 for transmitting the rotational kinetic energy; A manual operating device 113 which is a input control device comprised of electromechanical or solid state electronic components as well as the relevant control mechanism interfaces, wherein it can be manually operated to produce digital or analog electric power signal or to receive inputs from other electric power signal interfaces for transmitting to the central controller 114, and for further controlling the operating power of the auxiliary power source in order to provide proportional auxiliary driving or proportional reverse damping; A control means 114 which is an analog or digital electric circuit device comprised of electromechanical or solid state electronic components, or microprocessors, wherein it refers to the cogenerating type rotation speed and rotation torque detector device 111 driven by the primary power source 101 and the random commands from the manual operating device 113 to control the electrical driving device 115 and further to drive the auxiliary power source 102 for motor function operation or power regeneration function operation; therein the operation between the primary power source 101, auxiliary power source 102 and the output shaft 100 can be either linear or non-linear proportional auxiliary driving or proportional damping functions as required, and the system can be a closed ring type, open ring type, or semi-closed ring type constructions; An electrical machine driving device 115 which is comprised of electromechanical or solid state electronic device, wherein it is operated by the control of the control means 114 or by the manual operating device 113 to control the input/output power and the rotational directions of the auxiliary power source 102; An Auxiliary power source 102 which is a rotational electrical machine which has motor functions or further has the generator functions, whereof its embodying types are comprised of a double-acting rotational electrical machine 102A or of a static and rotor combination electrical machines 102C,102C or 102D, wherein the coupling methods of the different embodying types with the primary power source 101 has different operating functions; A power supply 116 which provides the needed supply power to the auxiliary power source, central controller, electrical machine driving device, the input operating device and the peripheral control devices or to further reserve the regeneration power from the auxiliary power source; A load 106 which is constituted by the rotational or linear translational mechanism accepting the rotational power input. The apparatus according to any one of claims 1 to 4, wherein it is comprised of the following: A primary power source rotation shaft 105 which is driven by the rotational kinetic energy of the primary power source 101, wherein a screw interactive structure 201 is provided between the primary power source rotation shaft 105 and the shaft hole of the axially translatable rotor 211 of the cogenerating type rotational speed and rotational torque detector device, whereof the screw interactive structure 201 is comprised of a tooth thread or toothless roller thread screw, wherein the screw angle can be bi-directional interactive, i.e. the primary power source rotation shaft 105 can be rotated to cause the axially translatable rotor 211 translated axially, or the axially translatable rotor 211 under pressure can reverse drive the primary power source rotation shaft 105 to rotate, or the axially translatable rotor 211 can be rotated by itself; a jackshaft assembly for axial translational or rotational transmission or other lock key mechanism 215 for axial sliding and rotational transmission is provided between the axially translatable rotor 211 and the output shaft 100 for driving the output side, thereby to allow for the relative axial translation during the rotational transmission between them while maintaining the transmission status; A pre-compressed spring 202 is installed between the primary power source rotation shaft 105 itself and the primary power source 101, whereby the axially translatable rotor 211 is pre-compressed, whereby the relative axial translation is produced according to the direction and intensity of the transmission torque during the rotational power transmission between the primary power source rotation shaft 105 and the axially translatable rotor 211, thereof the axial translatable rotor 211 is correspondingly coupled with the static structure installed on the casing 121, whereby the detector electric power signal is produced during the rotation interaction, whereof the intensity of the electric power detecting signal is determined by the relative rotation speed and the axial coupling positions between the axially translatable rotor 211 and the static structure, thereof the rotation speed is determined by the absolute rotation speed between the primary power source 101 and the casing 121, and the axial relative positions is determined by the torque difference between the active power source 101 and the output shaft 100, whereby the axial rotational translation produced by the axially translatable rotor 211 and the pre-compressed spring 202 further changes the axial coupling status between the axially translatable rotor 211 and the static structure; The cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, wherein the static structure can be comprised of the magnetic conducting iron core 213 and the electric power detector winding 212, and the axially translatable rotor 211 can be comprised of a structure having a magnetic pole 216 and a shaft hole with interacting screw, whereof the structure between the static structure and the axially translatable rotor can be constituted by a cylindrical or bevel cone structure; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, wherein when the rotation torque is zero, its output signal can be either zero, or can be set as larger than or smaller than zero; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 211 and the static structure, when the rotation speed is zero, its output signal can be either zero, or can be otherwise set to be larger than or smaller than zero; The detected signal by the cogenerating type rotation speed and rotation torque detector device 111 can be an analog or a digital signal, wherein the analog signal can be through the analog operational amplifier circuit for signal comparison or signal synthesis, whereby it can be treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative power driving from the auxiliary power source 102 and to limit its largest power, wherein for the case of digital signal, the signal is treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative control on the auxiliary power source 102 and to limit its largest power; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said primary power source 101 and the output shaft 101 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100 which is driven by the rotational kinetic energy of the primary power source 101 through the axially translatable rotor 211, and is driven by the rotational kinetic energy of the auxiliary power source 102, wherein the rotating methods with the auxiliary power source 102 include the indirect driving mechanism through transmission components to couple with the auxiliary power source 102, or the direct coupling between the output shaft 100 and the rotor of the auxiliary power source 102, whereof the methods of its coupling with the load include the direct coupling with the load, or through the transmission devices such as gear, chain wheel and linkages to drive the load. The apparatus according to any one of claims 1 to 4, wherein its main structure is characterized to be comprised of an axially translatable rotor 311 and the static structure for detecting the torque difference between the active power source rotation shaft 105 and the output shaft 100 to generate axial translation and to further provide relative power signal, as well as another device of a driving rotation speed detector 300 installed between the active power source rotation shaft 105 and casing 121, whereby the cogenerating type rotation speed and rotation torque detector device 111 is commonly constituted by the aforesaid two devices, and is mainly comprised of the following: A primary power source rotation shaft 105 which is driven by the rotational kinetic energy of the primary power source 101, wherein a screw interactive structure 201 is provided between the primary power source rotation shaft 105 and the shaft hole of the axially translatable rotor 311 of the cogenerating type rotational speed and rotational torque detector device, whereof the screw interactive structure 201 is comprised of a tooth thread or toothless roller thread screw, wherein the screw angle can be bi-directional interactive, i.e. the primary power source rotation shaft 105 can be rotated to cause the axially translatable rotor 311 translated axially, or the axially translatable rotor 311 under pressure can reverse drive the primary power source rotation shaft 105 to rotate, or the axially translatable rotor 311 can be rotated by itself; a jackshaft assembly for axial translational or rotational transmission or other lock key mechanism 215 for axial sliding and rotational transmission is provided between the axially translatable rotor 311 and the output shaft 100 for driving the output side, thereby to allow for the relative axial translation during the rotational transmission between them while maintaining the transmission status; A pre-compressed spring 202 is installed between the primary power source rotation shaft 105 itself and the primary power source 101, whereby the axially translatable rotor 311 is pre-compressed, whereby the relative axial translation is produced according to the direction and intensity of the transmission torque during the rotational power transmission between the primary power source rotation shaft 105 and the axially translatable rotor 311, thereof the axial translatable rotor 311 is correspondingly coupled with the static structure installed on the casing 121, whereby the detector electric power signal is produced during the rotation interaction, whereof the intensity of the electric power detecting signal is determined by the axial relative coupling position between the axially translatable rotor 311 and the static structure, whereof the axial relative position is determined by the torque difference between the primary power source 101 and the output shaft 100, whereby the axial rotational translation produced by the axially translatable rotor 311 and the pre-compressed spring 202 further changes the axial coupling status between the axially translatable rotor 311 and the static structure, and the driving speed detector device 300 is installed between the primary power source 101 and the casing 121 for detecting the absolute rotation speed between the two; The cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 311 and the static structure, wherein the static structure can be comprised of the magnetic conducting iron core 313, the first winding 310 as the input AC signal source, and the secondary winding 312 for providing translation detecting power signal and the axially translatable rotor 311 can be comprised of a structure having a magnetic conducting iron core 313 and a shaft hole structure with interactive screw; For the cogenerating type rotation speed and rotation torque detector device 111 constituted by the above said axially translatable rotor 311 and the static structure, regardless the relative position of the axially translatable rotor, when the rotation torque is zero, its output signal can be either zero, or can be set as larger than or smaller than zero; The output signal can be zero when the rotation speed of the aforesaid driving speed detector device 300 is zero; The aforesaid torque difference signal and the absolute rotation speed signal can be either an analog or a digital signal, wherein the analog signal can be synthesized by the analog operational amplifier circuit, whereby it can be treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative power driving from the auxiliary power source 102 and to limit its largest power, wherein for the case of digital signal, the signal is treated by the central controller 114 to further control the electrical machine driving device 115 to provide relative control on the auxiliary power source 102 and to limit its largest power; The mechanical structure which generate the relative activated translation due to the torque difference between the rotating shaft 105 of the above said primary power source 101 and the output shaft 101 while maintaining the transmission status between them, whereof it is comprised of the commonly utilized axial or radial bi-directional translation mechanisms, including the bi-directional-actuating screw structure or the bi-directional-actuating internal screw type or external screw type stud-less screw structure, or bi-directional actuating axial bevel surface or bevel gear coupling mechanism, or the detector structure which can convert the bi-directional translation or rotational angular translation into electric power, whereof it is comprised of the AC or DC, brush or brush-less, or induced type structure constituted by the analog or digital photoelectric effect, or electromagnetic effect or other physical effects, whereby a relative power signal in linear or non-linear, positive or reverse proportion is generated through the relative rotational movement, and the power signal ratio is changed due to the axially relative coupling position in linear or non-linear positive or reverse proportional variation; An output shaft 100 which is driven by the rotational kinetic energy of the primary power source 101 through the axially translatable rotor 311, and is driven by the rotational kinetic energy of the auxiliary power source 102, wherein the rotating methods with the auxiliary power source 102 include the indirect driving mechanism through transmission components to couple with the auxiliary power source 102, or the direct coupling between the output shaft 100 and the rotor of the auxiliary power source 102, whereof the methods of its coupling with the load include the direct coupling with the load, or through the transmission devices such as gear, chain wheel and linkages to drive the load. The apparatus according to any one of claims 1 to 4, wherein the auxiliary power source is a double-acting rotational electrical machine 102A which is comprised of the first interactive rotor 103 and second interactive rotor 104, whereof they are mutually driven and are constituted by the magnetic field and rotors, thereof its structure can be in cylindrical, cup, disk or cone shapes, and their electrical machine structure and its operating embodiments include: DC or AC, synchronous or asynchronous, brush or brush-less rotational electrical machine embodying types, wherein it is characterized in that the first interactive rotor 103 is coupled with the cogenerating type rotation speed and rotation torque detector device 111 through the output shaft 100, and is further coupled with the primary power source rotation shaft 105, while the second interactive rotor 104 is directly or through transmission components to drive the rotation output interface 126; wherein an unidirectional clutch 122 can be installed between the primary power source rotation shaft 105 and the casing 121 as required for selecting one of the direction to avoid reverse driving, and the unidirectional clutch can be omitted if this function is discarded, thereof for the aforesaid embodying types of the first interactive rotor 103 and the second interactive rotor 104, one of them is in electrical machine field structure and the other is in the electrical machine rotor structure, wherein both or one of them can be further installed with auxiliary conducting ring 107, conducting brush 117 and a brush seat to match with the double-acting embodying types and to transmit power during the double-acting driving, whereof its structure and function features can be selected to include one or several of the following functions at the same time: 1) The speed addition auxiliary driving function by controlling the speed ratio: The first interactive rotor 103 through the output shaft 100 is coupled with the cogenerating type rotation speed and rotation torque detector device 111 and is further coupled with the primary power source 101, while the second interactive rotor 104 is connected to the rotation output interface 126; 2) A reverse damping function corresponding to the primary power source: The second interactive rotor 104 is at standstill, while the first interactive rotor 103 provides reverse torque contrary to the operating direction of the primary power source 101, wherein the reverse torque can be smaller than the rotation torque of the primary power source 101 and in reverse direction of the primary power source; 3) Kinetic energy recovery of the load 106 inertia or providing the damping function to the back-transferred power of load 106: The first interactive rotor 103 is at standstill, and the second interactive rotor 104 provides regeneration function and to further generate damping. The apparatus according to any one of claims 1 to 4, wherein it is constituted by the primary power source and the auxiliary power source installed on the common shaft, whereof the static casing 133 of the auxiliary power source 102B is fixed, while the rotor 134 drives the load 106, thereof the electrical machine embodying types include AC or DC, synchronous or asynchronous, brush or brush-less electrical machines, wherein its embodiment and structure features can be selected to include part or all of the following functions: 1) The primary power source 105 through the unidirectional clutch 122 and the rotation output interface shaft 126 of the electrical machine 102B appears in co-axial structure to drive the load 106, wherein if the system is open type, then the unidirectional clutch 122 can be omitted; 2) The cogenerating type rotation speed and rotation torque detector device 111 is installed between the primary power source rotation shaft 105 or its driven rotational structure and the static structure, whereby it is employed to detect the rotation speed of the primary power source 101 and its torque difference with the output shaft 100 for system operation control reference basis; 3) The torque difference between the primary power source and the output shaft 100 detected by the cogenerating type rotation speed and rotation torque detector device is utilized for proportional auxiliary driving function: The primary power source is rotated to drive the cogenerative type rotation speed and rotation torque detector device 111, and to further generate the corresponding signal to the central controller 114, while when the rotation speed signal reaches above the setting value, the auxiliary power source electrical machine 102B is driven by the electrical machine driving device 105 to generate the auxiliary driving torque in the same direction with the primary power source rotation shaft, and the auxiliary driving torque is controlled according to the setting ratio of the central controller 114, or the auxiliary driving torque is determined by the manual operating device 113, central controller 114 and the random control of the electrical machine driving device 115 on the auxiliary power source electrical machine 102B; 4) The rotation speed of the auxiliary driving of the auxiliary power source electrical machine 102B and the synthesized driving of the primary power source 101 to the load 106 is always smaller than the driven rotation speed by the primary power source 101; 5) The corresponding reverse damping function to the rotation speed of the active power source 101: It is by referring to the rotation speed of the primary power source and the torque difference with the output shaft 100 detected by the rotation speed and rotation torque detector device 111 as basis and the auxiliary power source electrical machine 102B is controlled through the central controller 114 to generate reverse damping, whereof the control method is the same as the aforesaid operating process for the auxiliary driving, except that the torque direction and the primary power source 101 are contrary to each other, wherein the reverse torque is generated according to the set ratio of the central controller 114 or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the auxiliary power source electrical machine 102B for adjusting the capacity of the reverse torque; 6) The maximum value of the controllable reverse torque damping of the auxiliary power source electrical machine 102B is always smaller than the driving torque of the primary power source 101 on the auxiliary power source electrical machine 102B, or when the system is selected for reverse driving operation, the primary power source 101 is reverse driven by the auxiliary power source electrical machine, and while the primary power source 101 becomes the reverse driven load, the rotation torque of the auxiliary power source electrical machine 102B is always larger than or equal to the rotation torque of the primary power source 101; 7) Kinetic energy recovery function: The auxiliary power source electrical machine 102B is directly converted to perform generator function, whereby to provide power generation output for mechanical damping. The apparatus according to any one of claims 1 to 4, wherein it is comprised of the electrical machines and the planetary or differential wheel train, whereof the auxiliary power source of the system is constituted by the electrical machine 102C, whereof its electrical machine static casing 133 is fixed, while the load 106 is driven by the rotor 134, whereof the electrical machine types include AC or DC, synchronous or asynchronous, brush or brush-less electrical machine, wherein its structural or function features can be selected to include one or several of the following functions at the same time: 1) The primary power source rotation shaft 105 is coaxially installed with the electrical machine 102C, whereby it is through the unidirectional clutch 122 to couple with the output swing arm 118 driven by the planetary wheel 110 for connecting to the rotation output interface 126, the rotating shaft of the rotor 134 is through the sun wheel 108 and the outer ring wheel 109 of the electrical machine stator casing 133 to couple with the planetary type differential wheel train for connection to the rotational output interface 126, wherein if the system is open type, then the unidirectional clutch 122 can be omitted; 2) The cogenerating type rotation speed and rotation torque detector device 111 is installed between the primary power rotation shaft 105 or its driven rotational structure and the static structure to detect the rotation speed of the primary power source 101 and the torque difference with the output shaft 100 for system operation control basis; 3) The proportional auxiliary driving function according to the rotation speed of the primary power source: The cogenerating type rotation speed and rotation torque detector device 111 is driven by the rotation of the primary power source 101 to produce corresponding signal and to transmit the signal to the central controller 114, when the rotation signal reaches above the set value, the auxiliary power source electrical machine 102C driven by the electrical machine driving device 115 along with the swing 118 driven by the planetary wheel 110 of the planetary wheel train driven by the active power source rotation shaft through the unidirectional transmission device 122 provides auxiliary driving torque in the same rotation direction, whereby the auxiliary driving torque is controlled according to the set ratio of the central controller 114, or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the auxiliary power source electrical machine 102C for adjusting the capacity of the auxiliary driving torque, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; 4) The auxiliary driving by the auxiliary power source 102C and the synthesized driving rotation speed of the primary power source 101 to the load 106 is always smaller than the driven rotation speed by the primary power source 101; 5) The corresponding reverse damping function to the rotation speed of the primary power source 101: It is by referring to the rotation speed of the primary power source and the torque difference with the output shaft 100 detected by the rotation speed and rotation torque detector device 111 as basis and the auxiliary power source electrical machine 102C is controlled through the central controller 114 to generate reverse damping, whereof the control method is the same as the aforesaid operating process for the auxiliary driving, except that the torque direction and the primary power source 101 are contrary to each other, wherein the reverse torque is generated according to the set ratio of the central controller 114 or is by the manual operating device 113 or the central controller 114 through the electrical machine driving device 115 to randomly control the capacity of the reverse torque; 6) The maximum value of the controllable reverse torque damping of the auxiliary power source electrical machine 102C: when the system is selected for reverse driven operation, the primary power source 101 becomes the reverse driven load which is reverse driven by the auxiliary power source electrical machine 102C, the rotation torque of the auxiliary power source 102C is always large or equal to the rotation torque of the primary power source 101; 7) Kinetic energy recovery function: The auxiliary power source electrical machine 102C is directly converted to perform generator function, whereby to provide power generation output for mechanical damping. The apparatus according to any one of claims 1 to 4, wherein the auxiliary power source is constituted by the electrical machine 102D, whereby it is coupled with the primary power source through the planetary(or differential) wheel train, whereof its electrical machine types include the AC or DC, synchronous or asynchronous, brush or brush-less electrical machine, wherein its structural or function features include the following functions: A proportional auxiliary driving function: The primary power source 101, auxiliary power source electrical machine 102D and the rotational output interface 126 are respectively coupled with the sun wheel 108, planetary wheel 110 and the outer ring wheel 109 according to the relative speed ratio and function requirement, wherein the relationship between the primary power source 101 and the auxiliary power source 102D is based on the rotation speed of the primary power source detected by the cogenerating type rotation speed and rotation torque detector device 111 to control the auxiliary power source, whereby the proportional auxiliary driving between the two are achieved through the planetary or differential wheel train. The apparatus according to any one of claims 1 to 4, wherein it can be further installed with the following peripheral operating devices to expand the range of applications: An unidirectional clutch 122 can be series installed between the primarypower source 105 and the rotation output interface 126 for limitation to unidirectional rotation torque transmission, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; An unidirectional clutch 122 can be further installed between the primary power source rotating shaft 105 and the casing 121, whereby the primary power source is at standstill while the auxiliary power source drives the load according to the set rotation direction, wherein if the system is of open type, the unidirectional clutch 122 can be omitted; The controllable clutch 123 which can be operated manually, or controlled by the mechanical, fluid or electromagnetic power is further installed between the primary power source 105 and the casing 121 to replace the unidirectional clutch 122, whereby when the clutch is released, the auxiliary speed or torque addition driving is performed between the primary power source and the auxiliary power source according to corresponding ratio, or a reverse torque damping function is generated by the auxiliary power source to the primary power source; thereof when the clutch is closed, the primary power source is locked, while the load 106 is positively or reverse driven by the auxiliary power source, or the kinetic energy of the inertia of the load 106 is recovered for power regeneration, wherein if the system is of open type, the above said unidirectional clutch 122 or the controllable clutch 123 can both be omitted, or the controllable clutch can be omitted; When the auxiliary power source is a double-acting rotational electrical machine 102A, the controllable clutch 123 which can be operated manually, or controlled by the mechanical, fluid or electromagnetic power can be installed in between, whereby when the controllable clutch 123 is closed, the double-acting structure is inter-locked to allow the primary power source driving the load 106 directly, wherein if the system is of open type, the controllable clutch 123 can be omitted; When the auxiliary power source electrical machine is 102B or 102C, then the electrical machine rotor 134 besides of direct coupling with the primary power source 101 and direct connecting with the output shaft of the rotational output interface 126 or indirect coupling through transmission components, an unidirectional clutch 122 can be further installed to match with the interactive requirement between the three, whereof the location for installing the unidirectional clutch 122 and its kinetic energy transmission directivity include: thereof if the primary power source is connected to rotational output interface 126 directly or through the transmission components, then the unidirectional clutch 122 is installed between the electrical machine rotor 134 of the auxiliary power source and any rotational component between the above said primary power source and the rotational output interface 126, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirement, thereof if the auxiliary power source electrical machine rotor 134 is directly or through the transmission components to connect to the rotational output interface 126, then the unidirectional clutch 122 can be installed between the primary power source 101 and any rotation component between the above said auxiliary power source 102B or 102C and the rotational output interface 126, wherein the clutch work rotation direction of the unidirectional clutch 122 can be selected according to the system requirements, wherein if the system is of open type, then the unidirectional clutch 122 can be omitted; When the auxiliary power source electrical machine 102D is coupled with the primary power source through the planetary or differential wheel train, then a brake 124 can be further installed on the rotation shaft of the auxiliary power source electrical machine 102D, thereby to lock up the auxiliary power source and its transmission components while allowing the primary power source directly drives the rotational output interface 126, or for the case of kinetic energy recovery, to lock up the primary power source 101 while allowing the primary power source electrical machine 102D reverse driven by the inertia of load 106 to do power regeneration and produce braking damping, wherein if the system is of open type, then the brake 124 can be omitted. The apparatus according to any one of claims 1 to 4, wherein the clutches and the control systems can be selected to include part or all of the following functions: By referring to the rotation speed of the active power source and the torque difference with the output shaft 100 as basis, the auxiliary power source is controlled for auxiliary driving; By referring to the rotation speed of the primary power source and the torque difference with the output shaft 100 as basis, the auxiliary power source is operated to appear reverse torque corresponding to the primary power source for providing damping, as well as on the foundation of the above said functions or part of them to further provide the auxiliary functions or part of them including controlling the auxiliary power source for positive or reverse directional driving independently, or power regeneration or kinetic energy recovery.

Inventors: YANG TAI HER, YANG, TAI HER
Applicants: YANG TAI HER, YANG, TAI HER
Application year: 1996
Main classification: B60K6
IPC codes: B60K6, B60W20, B60W10, B60K1