mhurhangee/ep-ind-claims huggingface dataset:
A control system for reducing current imbalance in a power converter of a doubly fed induction generator system, the power converter coupled to a rotor of a doubly fed induction generator, the power converter comprising a plurality of bridge circuits coupled in parallel, the control system comprising: a plurality of current sensors (230, 235), each of the plurality of current sensors coupled to one of the plurality of bridge circuits and capable of providing a signal indicative of an AC bridge current of one of the plurality of bridge circuits; an error generation circuit coupled to the plurality of current sensors (230, 235), the error generation circuit operable to process signals indicative of bridge current received from the current sensors (230, 235) to generate a feedback signal indicative of the difference in bridge current between the plurality of bridge circuits; and a control circuit coupled to the error generation circuit, the control circuit configured to generate control commands for driving each of the plurality of bridge circuits (250, 260) based at least in part on the feedback signal; in that: the feedback signal is indicative of the difference in magnitude and phase in bridge current of the plurality of bridge circuits; and wherein multiple bridge circuits are connected in parallel for each output phase of the doubly fed induction generator system a plurality of current sensors (230, 235), each of the plurality of current sensors coupled to one of the plurality of bridge circuits and capable of providing a signal indicative of an AC bridge current of one of the plurality of bridge circuits; an error generation circuit coupled to the plurality of current sensors (230, 235), the error generation circuit operable to process signals indicative of bridge current received from the current sensors (230, 235) to generate a feedback signal indicative of the difference in bridge current between the plurality of bridge circuits; and a control circuit coupled to the error generation circuit, the control circuit configured to generate control commands for driving each of the plurality of bridge circuits (250, 260) based at least in part on the feedback signal; in that: the feedback signal is indicative of the difference in magnitude and phase in bridge current of the plurality of bridge circuits; and wherein multiple bridge circuits are connected in parallel for each output phase of the doubly fed induction generator system the feedback signal is indicative of the difference in magnitude and phase in bridge current of the plurality of bridge circuits; and wherein multiple bridge circuits are connected in parallel for each output phase of the doubly fed induction generator system
A method of improving or maintaining railway tracks having a subgrade and a ballast bed as a superstructure comprising the steps: extracting the ballast of the ballast bed; extracting the material of the subgrade down to a desired depth; where necessary, preparing a new formation; installing a new subgrade (8, 9, 10); and preparing a new ballast bed; characterised by the steps of: separately extracting material from a mixed zone in a transition region between the old ballast bed and the old subgrade; installing the mixed zone material as part of the new subgrade (8, 9, 10), with the mixed zone material being placed directly onto the remaining old subgrade or onto the new formation and being installed there as part of the new subgrade (8, 9, 10), in particular as a base course. extracting the ballast of the ballast bed; extracting the material of the subgrade down to a desired depth; where necessary, preparing a new formation; installing a new subgrade (8, 9, 10); and preparing a new ballast bed; characterised by the steps of: separately extracting material from a mixed zone in a transition region between the old ballast bed and the old subgrade; installing the mixed zone material as part of the new subgrade (8, 9, 10), with the mixed zone material being placed directly onto the remaining old subgrade or onto the new formation and being installed there as part of the new subgrade (8, 9, 10), in particular as a base course. separately extracting material from a mixed zone in a transition region between the old ballast bed and the old subgrade; installing the mixed zone material as part of the new subgrade (8, 9, 10), with the mixed zone material being placed directly onto the remaining old subgrade or onto the new formation and being installed there as part of the new subgrade (8, 9, 10), in particular as a base course.
A circuit device comprising: an image processing circuit configured to perform first mapping processing, which maps an input first image on a second image to be projected onto a projection target object, and second mapping processing, which converts the second image to a third image, wherein the second mapping processing is reverse mapping processing of the first mapping processing; and a comparison circuit configured to perform comparison between the first image and the third image, and output a result of comparison as information for performing error detection on the second image, wherein the image processing circuit is adapted to perform the first mapping processing using first map data generated from map data associated with the projection target object, and to perform the second mapping processing using second map data,, the second map data being the map data. an image processing circuit configured to perform first mapping processing, which maps an input first image on a second image to be projected onto a projection target object, and second mapping processing, which converts the second image to a third image, wherein the second mapping processing is reverse mapping processing of the first mapping processing; and a comparison circuit configured to perform comparison between the first image and the third image, and output a result of comparison as information for performing error detection on the second image, wherein the image processing circuit is adapted to perform the first mapping processing using first map data generated from map data associated with the projection target object, and to perform the second mapping processing using second map data,, the second map data being the map data.
A connector apparatus, comprising a male connector assembly, a female connector assembly and a connector position assurance device, wherein the female connector assembly comprises a housing having a first end, a second end and a top side, wherein a female connector opening configured to accommodate the CPA device and at least one terminal aperture are formed at the second end, and the top side has a locking component forming a front portion and an aperture, the male connector assembly comprises a housing forming a male connector opening configured to accommodate the first end of the female connector assembly, and a latch formed on an interior of the housing to hold the male connector assembly to the female connector assembly having the locking component, and the CPA device is configured to lock the male connector assembly to the female connector assembly, wherein the CPA device has a first curved upper region and a second curved upper region, wherein the first curved upper region is configured to penetrate the aperture of the locking component of the female connector assembly, characterized in that the front portion of the locking component of the female connector assembly has a front edge towards the first end of the housing and a rear edge towards the second end of the housing, and the CPA device has at least one tooth configured to engage with the locking component, wherein in a pre-lock position the CPA device is partially inserted into the female connector opening, such that the locking component engages with the CPA device to hold the CPA device to the female connector assembly in that the at least one tooth is abutting the front edge of the front portion and the first curved upper region is abutting the rear edge of the front portion, and in a full-lock position the CPA device is fully inserted into the female connector opening, such that the locking component engages with the CPA device to hold the female connector assembly to the male connector assembly in that the first curved upper region is abutting the front edge of the front portion and the latch of the male connector assembly is abutting the rear edge of the front portion, while the at least one tooth is passed beyond the front portion.
An optometry apparatus comprising: a housing accommodating a concave mirror disposed on a reference axis; and a target presentation unit including the concave mirror and a display disposed outside the housing and out of the reference axis for projecting a target light flux onto the concave mirror, wherein the concave mirror is configured to reflect the target light flux output from the display toward an examinee's eye along the reference axis, wherein the target presentation unit is configured to present the target at an optically predetermined distance-examination distance, characterized in that the housing includes a transparent panel, the transparent panel transmitting the target light flux from the display and re-transmitting the target light flux reflected by the concave mirror so that the target light flux can exit the housing, and the display is disposed at a position such that the target light flux from the display travels from outside the housing toward the concave mirror via the transparent panel. a housing accommodating a concave mirror disposed on a reference axis; and a target presentation unit including the concave mirror and a display disposed outside the housing and out of the reference axis for projecting a target light flux onto the concave mirror, wherein the concave mirror is configured to reflect the target light flux output from the display toward an examinee's eye along the reference axis, wherein the target presentation unit is configured to present the target at an optically predetermined distance-examination distance, characterized in that the housing includes a transparent panel, the transparent panel transmitting the target light flux from the display and re-transmitting the target light flux reflected by the concave mirror so that the target light flux can exit the housing, and the display is disposed at a position such that the target light flux from the display travels from outside the housing toward the concave mirror via the transparent panel.
A toy device for, in use, cutting and bending a hollow elongate tube, the device comprising: a body, sized and configured to be hand-held; a measuring subassembly disposed on the top surface of the body, adapted for measuring a desired size of the hollow elongate tube; a manually rotatable cutting subassembly rotatably attached to the main body and adapted for cutting the hollow elongate tube to the desired size, the cutting subassembly including an anchoring screw adapted to anchor the hollow elongate tube to body and a blade adapted to be rotated, by the user, relative to the anchored hollow elongate tube, thereby to cut the hollow elongate tube; and a bending subassembly adapted for bending the cut hollow elongate tube to a desired angular orientation, said bending subassembly including: a base controlling a radius of a bend to be formed in the cut hollow elongate tube; and a user grippable handle configured to enable a user to manually rotate the cut hollow elongate tube, relative to the base, to form the bend in the cut hollow elongate tube. a body, sized and configured to be hand-held; a measuring subassembly disposed on the top surface of the body, adapted for measuring a desired size of the hollow elongate tube; a manually rotatable cutting subassembly rotatably attached to the main body and adapted for cutting the hollow elongate tube to the desired size, the cutting subassembly including an anchoring screw adapted to anchor the hollow elongate tube to body and a blade adapted to be rotated, by the user, relative to the anchored hollow elongate tube, thereby to cut the hollow elongate tube; and a bending subassembly adapted for bending the cut hollow elongate tube to a desired angular orientation, said bending subassembly including: a base controlling a radius of a bend to be formed in the cut hollow elongate tube; and a user grippable handle configured to enable a user to manually rotate the cut hollow elongate tube, relative to the base, to form the bend in the cut hollow elongate tube. a base controlling a radius of a bend to be formed in the cut hollow elongate tube; and a user grippable handle configured to enable a user to manually rotate the cut hollow elongate tube, relative to the base, to form the bend in the cut hollow elongate tube.
A suction apparatus for surface cleaning, comprising: a suction nozzle, a suction channel connected to the suction nozzle, a water collection container and a water-air separation apparatus for separating a liquid-air mixture; wherein the suction channel is arranged inside the water collection container in a penetrating manner, and the water-air separation apparatus is serially arranged on the suction channel; the water-air separation apparatus comprises a rotating body arranged inside the suction channel and adapted to rotate around a rotary shaft thereof, said rotating shaft being arranged along an airflow direction in the suction channel; a gap in communication with the water collection container is arranged on the suction channel adjacent to the rotating body; and the suction channel comprises a front pipe and a rear pipe; characterized in that the water-air separation apparatus further comprises a sleeve, wherein an inner wall of the sleeve is connected to an edge at a bottom of the rotating body via a plurality of connecting ribs; through-holes are distributed on a side wall of the sleeve; a first end of the sleeve is sleeved on an adjacent port of the front pipe and an opposite second end of the sleeve is sleeved on an adjacent port of the rear pipe.
Acoustic emitter for treating oil and gas wells, taking the form of a cylindrical housing, consisting of two sealed chambers (4;10) and one chamber that communicates with the environment via apertures, one first sealed chamber being filled with air and having sealed electrical lead-ins, while the second sealed chamber is filled with an electrically insulating liquid, characterized in that a magnetostrictive transducer, with a cylindrical core with an electrical winding and end pieces made of resilient material between the cylindrical core and the electrical winding, is placed in the second sealed chamber filled with electrically insulating liquid, wherein the first sealed chamber, that is filled with air, is co-axially surrounded by the second sealed chamber filled with the electrically insulating liquid.
A pressure sensor assembly for measuring the pressure of a fluid comprising: a first housing; a pressure sensing device arranged within the first housing; a diaphragm arranged on a surface of the first housing and configured to transmit a force exerted on a first side thereof to the pressure sensing device; a second housing attached to the first housing and arranged generally circumferentially around the diaphragm, the second housing including a first open end configured to be placed in communication with the fluid to be measured, and a second open end oriented proximate the diaphragm; and a compressible element arranged within a compressible element space defined within the second housing; wherein the compressible element is configured to transmit a force exerted thereon by the fluid to be measured to the first side of the diaphragm; wherein the second housing further defines a cavity space arranged between the compressible element space and the diaphragm; characterized in that the cavity space is filled with an adhesive material (122, 124). a first housing; a pressure sensing device arranged within the first housing; a diaphragm arranged on a surface of the first housing and configured to transmit a force exerted on a first side thereof to the pressure sensing device; a second housing attached to the first housing and arranged generally circumferentially around the diaphragm, the second housing including a first open end configured to be placed in communication with the fluid to be measured, and a second open end oriented proximate the diaphragm; and a compressible element arranged within a compressible element space defined within the second housing; wherein the compressible element is configured to transmit a force exerted thereon by the fluid to be measured to the first side of the diaphragm; wherein the second housing further defines a cavity space arranged between the compressible element space and the diaphragm; characterized in that the cavity space is filled with an adhesive material (122, 124).
A communication apparatus (400; 500; 600) comprising: a transmitting section that transmits at least one of channel quality indicator values for first and second transmitting antennas, from which a communicating party transmits data to the communication apparatus; and a controlling section (420; 520; 620) that controls transmission of the CQI values to be transmitted from the transmitting section, a transmission rate request generating section (144, 154) configured to perform channel quality estimation per transmitting antenna of the communication party, and generate a CQI value of each transmitting antenna; characterized in that the communication apparatus (400; 500; 600) further comprises: a comparing section (163; 563) that determines a difference between the CQI values, and compares the difference with a predetermined value; the controlling section (420;520; 620) transmits, through the transmitting section, one CQI value corresponding to one transmitting antenna of the first and second transmitting antennas when the difference is larger than the predetermined value; and the controlling section (420; 520; 620) transmits, through the transmitting section, CQI values corresponding to the first and second transmitting antennas when the difference is smaller than the predetermined value. a transmitting section that transmits at least one of channel quality indicator values for first and second transmitting antennas, from which a communicating party transmits data to the communication apparatus; and a controlling section (420; 520; 620) that controls transmission of the CQI values to be transmitted from the transmitting section, a transmission rate request generating section (144, 154) configured to perform channel quality estimation per transmitting antenna of the communication party, and generate a CQI value of each transmitting antenna; a comparing section (163; 563) that determines a difference between the CQI values, and compares the difference with a predetermined value; the controlling section (420;520; 620) transmits, through the transmitting section, one CQI value corresponding to one transmitting antenna of the first and second transmitting antennas when the difference is larger than the predetermined value; and the controlling section (420; 520; 620) transmits, through the transmitting section, CQI values corresponding to the first and second transmitting antennas when the difference is smaller than the predetermined value.
A light irradiating device (1, 2) comprising: a plurality of LED modules, wherein each LED module comprises a substrate; a plurality of light emitting diode elements disposed on a surface of the substrate of each LED module; a heat radiating member which fixes the LED modules and radiates heat generated from each LED module, wherein the heat radiating member is configured by two liquid cooling heat sinks formed of metal and by a heat radiating frame, wherein the LED modules are fixed onto one end face of the heat sinks and the heat radiating frame is fixed to another end face of the heat sinks to be thermally coupled and support the heat sinks; an inner wall which is disposed to enclose a light passage area through which light of the plurality of light emitting diode elements passes; a housing which accommodates the LED modules, the plurality of light emitting diode elements, the heat radiating member and the inner wall and generates a space between the inner wall and the housing; an air inlet which introduces air in the light passage area onto the rear surface of the substrate of each LED module; a flow channel which passes through the rear surface of the substrate of each LED module and connects the air inlet and the space; and a circulation port (301, 301M) which is provided to discharge the air in the space to the light passage area, wherein the heat radiating frame, cools the air flowed from the air inlet, and wherein the air is naturally convected between the light passage area and the space. a plurality of LED modules, wherein each LED module comprises a substrate; a plurality of light emitting diode elements disposed on a surface of the substrate of each LED module; a heat radiating member which fixes the LED modules and radiates heat generated from each LED module, wherein the heat radiating member is configured by two liquid cooling heat sinks formed of metal and by a heat radiating frame, wherein the LED modules are fixed onto one end face of the heat sinks and the heat radiating frame is fixed to another end face of the heat sinks to be thermally coupled and support the heat sinks; an inner wall which is disposed to enclose a light passage area through which light of the plurality of light emitting diode elements passes; a housing which accommodates the LED modules, the plurality of light emitting diode elements, the heat radiating member and the inner wall and generates a space between the inner wall and the housing; an air inlet which introduces air in the light passage area onto the rear surface of the substrate of each LED module; a flow channel which passes through the rear surface of the substrate of each LED module and connects the air inlet and the space; and a circulation port (301, 301M) which is provided to discharge the air in the space to the light passage area, wherein the heat radiating frame, cools the air flowed from the air inlet, and wherein the air is naturally convected between the light passage area and the space.
Tool system for an assembly installation, having at least two tool controllers (11 to 14) for controlling a tool element (111, 121, 131, 141) for handling at least one workpiece, a first data handling device which is connected to the assembly installation and is configured to receive the data (112, 122, 132, 142) generated by the at least two tool controllers (11 to 14) when handling the at least one workpiece and to store the data (112, 122, 132, 142) in a first database, and a second data handling device which is configured to access the first database, but is not connected to the first data handling device and to the assembly installation, wherein the second data handling device is configured to process the data (110, 120, 130, 140) stored by the first data handling device in the first database in order to analyse the data (112, 122, 132, 142) and/or create a visualization of the data (112, 122, 132, 142), and wherein the first data handling device is configured to newly create one of the at least two tool controllers (11 to 14) with the master data of the tool controller (11 to 14) in the organizational structure of the first data handling device if the first data handling device receives data (112, 122, 132, 142) from the tool controller (11 to 14), but the tool controller (11 to 14) is still unknown to the first data handling device.