mhurhangee/ep-ind-claims huggingface dataset:
A method of testing a first plurality of series connected cells of a voltage source converter, wherein each cell comprises an energy storage element and a plurality of switch elements, wherein each switch element has an associated freewheeling diode, and wherein the cells comprise half-bridge sub-modules where the plurality of switch elements are configured such that the energy storage element can, in use, be selectively connected in series between the terminals of the cell or bypassed, the method comprising: applying an electrical test stimulus (V STIM; 301) to the first plurality of series connected cells, wherein the electrical test stimulus has a voltage that is lower than the rated operating voltage of the voltage source converter but which is greater than a threshold voltage (V th) which is sufficient to forward bias freewheeling diodes of each of the first plurality of series connected cells to provide a conduction path through the first plurality of series connected cells; and monitoring the electrical characteristics of said first plurality of series connected cells to said electrical test stimulus; wherein the electrical stimulus (V STIM) is applied in a forward direction such that the conduction path through the plurality of series connected cells comprises the energy storage elements; and the electrical stimulus (V STIM) is applied in a reverse direction such that the conduction path through the plurality of series connected cells comprises the bypass path. applying an electrical test stimulus (V STIM; 301) to the first plurality of series connected cells, wherein the electrical test stimulus has a voltage that is lower than the rated operating voltage of the voltage source converter but which is greater than a threshold voltage (V th) which is sufficient to forward bias freewheeling diodes of each of the first plurality of series connected cells to provide a conduction path through the first plurality of series connected cells; and monitoring the electrical characteristics of said first plurality of series connected cells to said electrical test stimulus; wherein the electrical stimulus (V STIM) is applied in a forward direction such that the conduction path through the plurality of series connected cells comprises the energy storage elements; and the electrical stimulus (V STIM) is applied in a reverse direction such that the conduction path through the plurality of series connected cells comprises the bypass path.
Freight floor, comprising: - a first core layer and a second core layer (42, 43, 44) of carbon fibre reinforced and/or glass fibre reinforced and/or aramid fibre reinforced plastic material, and - a bearing layer of metal alloy, wherein one of the core layers (42, 43, 44) and the bearing layer are interconnected by adhesive joining and/or form fitting, characterized by a third core layer including a foam layer having a support structure of synthetic resin extending vertically to the freight floor and firmly interconnecting the first and second core layers adjoining the foam layer, wherein the freight floor comprises an at least in sections circumferential edge profile in the form of a bead, wherein the bead serves the purpose of connecting the freight floor to side walls (12a - 12d). - a first core layer and a second core layer (42, 43, 44) of carbon fibre reinforced and/or glass fibre reinforced and/or aramid fibre reinforced plastic material, and - a bearing layer of metal alloy, wherein one of the core layers (42, 43, 44) and the bearing layer are interconnected by adhesive joining and/or form fitting,
Method of driving a single-coil motor having a stator and a rotor and a coil, the method comprising the steps of: a) monitoring a first signal (Sp) indicative of the rotor position relative to the stator position, characterized by determining a start time when the first signal (Sp) passes a first threshold level; b) at a first time defined as a predefined waiting period (Tw) after the start time, providing control signals for energizing the coil for causing a current to flow in the coil; c) at a second time defined as a predefined prediction period (Tpred) after the start time or as a predefined prediction period (Tpred) after the first time, providing control signals (C11, C12, C21, C22) for stopping or reducing the energization of the coil for allowing the current flowing in the coil to decrease; d) monitoring a second signal (Sc) indicative of the current flowing through the coil, and determining a third time when said second signal passes a second threshold level; and monitoring the first signal (Sp), and determining a fourth time when the first signal (Sp) passes a third threshold level; e) updating the prediction period (Tpred) as a function of the third and fourth time (t3, t4) to obtain an updated prediction period (Tpred); f) repeating steps b) to e) at least once, - using the fourth time instead of the start time; and - using the updated prediction period (Tpred) instead of the predefined prediction period. a) monitoring a first signal (Sp) indicative of the rotor position relative to the stator position, characterized by determining a start time when the first signal (Sp) passes a first threshold level; b) at a first time defined as a predefined waiting period (Tw) after the start time, providing control signals for energizing the coil for causing a current to flow in the coil; c) at a second time defined as a predefined prediction period (Tpred) after the start time or as a predefined prediction period (Tpred) after the first time, providing control signals (C11, C12, C21, C22) for stopping or reducing the energization of the coil for allowing the current flowing in the coil to decrease; d) monitoring a second signal (Sc) indicative of the current flowing through the coil, and determining a third time when said second signal passes a second threshold level; and monitoring the first signal (Sp), and determining a fourth time when the first signal (Sp) passes a third threshold level; e) updating the prediction period (Tpred) as a function of the third and fourth time (t3, t4) to obtain an updated prediction period (Tpred); f) repeating steps b) to e) at least once, - using the fourth time instead of the start time; and - using the updated prediction period (Tpred) instead of the predefined prediction period. - using the fourth time instead of the start time; and - using the updated prediction period (Tpred) instead of the predefined prediction period.
An abutment device for a roller shutter, said roller shutter including two guiderails provided, at the upper end thereof, with a guide element and an apron formed of a plurality of horizontal slats, including a lower final slat provided, at each of the lateral ends thereof, with an inner housing, which are hinged to each other and whose lateral ends are displaced vertically inside said guiderails, where said abutment device is configured to be inserted at least partly in each inner housing in a direction parallel to the longitudinal axis of the latter and includes a lever pivoting, when the abutment device is inserted, about a horizontal axis perpendicular to the longitudinal axis of said housing, and including at least one protrusion which, when the abutment device is inserted, is displaced inside the associated guiderail and is capable of abutting against the guide element to block the final slat when the roller shutter is raised, the lever pivoting between a "low" position in which the protrusion protrudes from the lower longitudinal edge of said final slat allowing the total erasure of said final slat when said roller shutter is totally open, and a "high" position in which the protrusion does not protrude from said lower longitudinal edge allowing a total occultation when said roller shutter is completely closed.
A method of forming an injection molded article comprising: providing a polyolefin comprising one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt.% based on the total weight of the polyolefin and the one or more propylene heterophasic copolymers has an average ethylene content in a range from 12.5 wt.% to 15 wt.% based on the total weight of the propylene heterophasic copolymers; melt blending the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt.% to 15 wt.%; and injection molding the compatibilized polymeric blend into an article, wherein the concentration of the polypropylene heterophasic copolymers is in a range from about 80 wt.% to 100 wt.% based on the total weight of the polyolefin. providing a polyolefin comprising one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt.% based on the total weight of the polyolefin and the one or more propylene heterophasic copolymers has an average ethylene content in a range from 12.5 wt.% to 15 wt.% based on the total weight of the propylene heterophasic copolymers; melt blending the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt.% to 15 wt.%; and injection molding the compatibilized polymeric blend into an article, wherein the concentration of the polypropylene heterophasic copolymers is in a range from about 80 wt.% to 100 wt.% based on the total weight of the polyolefin.
A Method for joining at least two parts (2, 4) in an overlap joint, characterized by the steps: - Positioning the part (2, 4) partially in an overlap, wherein the upper part has the same melting point as the lower part or the upper part has a lower melting point than the material of the lower part in the overlap region; - Positioning a tool having a shank and a broadened head in a tool holder, wherein the shank has a lower shank portion for penetrating the lower part and an upper shank portion for extending through the upper part; - Rotating the tool holder and pressing the rotating tool with its shank against the upper part until the shank penetrates the upper part and the lower part; and - Stopping the movements of the tool holder when the upper part is clamped between the lower part and the head, characterised in that the upper shank portion has at least one recess, and in that a contact surface of the head extends over the tool holder in feeding direction of the tool and in that plastified material of the upper part radially displaces into the at least one recess of the upper shank portion. - Positioning the part (2, 4) partially in an overlap, wherein the upper part has the same melting point as the lower part or the upper part has a lower melting point than the material of the lower part in the overlap region; - Positioning a tool having a shank and a broadened head in a tool holder, wherein the shank has a lower shank portion for penetrating the lower part and an upper shank portion for extending through the upper part; - Rotating the tool holder and pressing the rotating tool with its shank against the upper part until the shank penetrates the upper part and the lower part; and - Stopping the movements of the tool holder when the upper part is clamped between the lower part and the head, characterised in that the upper shank portion has at least one recess, and in that a contact surface of the head extends over the tool holder in feeding direction of the tool and in that plastified material of the upper part radially displaces into the at least one recess of the upper shank portion.
Process for producing a translucent polyurethane foam by reacting a component A comprising A1 at least one component reactive with the component B and comprising Zerewitinoff-active hydrogen; A2 water and/or other chemical blowing agents; A3 at least one foam stabilizer; A4 optionally auxiliary and/or additive substances; A5 optionally at least one flame retardant; A6 at least one catalyst; and a component B comprising B1 at least one aliphatic or cycloaliphatic polyisocyanate component and/or a combination thereof, and B2 less than 20 parts by weight of an aromatic polyisocyanate component, wherein the parts by weight of B2 are based on the sum of the parts by weight of B1 + B2 which are normalized to 100 parts by weight, characterized in that the reaction of the component A with the component B is performed at an isocyanate index of 70 to 130 and wherein all parts by weight for components A1 to A6 are normalized such that the parts by weight of A1 to A6 in the composition sum to 100 parts by weight, wherein before onset of the blowing reaction the reaction mixture has a turbidity of less than 3500 NTU measured according to DIN EN ISO 7027:2016-11; and wherein the obtained translucent polyurethane foam has a light transmission according to EN ISO 13468-2:2006 in the range from 10% to 60% measured at a layer thickness of the foam of 20 mm, and wherein the obtained translucent polyurethane foam has a haze (haze = 100* diffuse transmission / total transmission) according to ASTM D1003-13 of at least 80% measured at a layer thickness of the foam of 20 mm. A1 at least one component reactive with the component B and comprising Zerewitinoff-active hydrogen; A2 water and/or other chemical blowing agents; A3 at least one foam stabilizer; A4 optionally auxiliary and/or additive substances; A5 optionally at least one flame retardant; A6 at least one catalyst; and a component B comprising B1 at least one aliphatic or cycloaliphatic polyisocyanate component and/or a combination thereof, and B2 less than 20 parts by weight of an aromatic polyisocyanate component, wherein the parts by weight of B2 are based on the sum of the parts by weight of B1 + B2 which are normalized to 100 parts by weight, characterized in that the reaction of the component A with the component B is performed at an isocyanate index of 70 to 130 and wherein all parts by weight for components A1 to A6 are normalized such that the parts by weight of A1 to A6 in the composition sum to 100 parts by weight, wherein before onset of the blowing reaction the reaction mixture has a turbidity of less than 3500 NTU measured according to DIN EN ISO 7027:2016-11; and wherein the obtained translucent polyurethane foam has a light transmission according to EN ISO 13468-2:2006 in the range from 10% to 60% measured at a layer thickness of the foam of 20 mm, and wherein the obtained translucent polyurethane foam has a haze (haze = 100* diffuse transmission / total transmission) according to ASTM D1003-13 of at least 80% measured at a layer thickness of the foam of 20 mm.
A flat subwoofer comprising a driver in which a coil is arranged in an air gap in said driver, which coil is connected to a membrane (4',5'), where said driver is arranged on a chassis, characterised in that the membrane comprises two interconnected parts, a forward membrane part and rear membrane part, where both membrane parts (4',5') are substantially symmetrical around an axis perpendicular to the membranes plane, where each membrane part has an outer and an inner periphery; where said forward membrane part along an outer periphery is connected to the chassis by means of a surround, and the inner periphery of the forward membrane part is connected to a central zone of said rear membrane part at a connection point such that at the connection point on the one hand the forward membrane part forms a first angle between about 20 to 35 degrees with an imaginary half straight line starting at the connection point, the imaginary half straight line extending to a forward side of the subwoofer and being parallel to the perpendicular axis, and on the other hand the rear membrane part forms a second angle between about 25 to 45 degrees with the imaginary half straight line, whereby the first angle is measured from the imaginary half straight line in a direction away from the perpendicular axis and the second angle is measured from the imaginary half straight line in a direction towards the perpendicular axis, the rear membrane part is connected to a spring member which spring member at least partly surrounds the driver, and where the coil is arranged on a coil cylinder, which cylinder is connected to the inner periphery of the rear membrane part.
Protective device for an electrical circuit, in particular for use in a motor vehicle, comprising: - a first and a second connection terminal (42, 44) in order to electrically connect the protective device to the circuit, - a line element which is passed through the protective device and forms an electrical connection between the first and the second connection terminal (42, 44), - a pyrotechnical propellant charge which is designed to break the electrical connection by a trippable explosion, wherein the protective device has detection means (38, 50) in order to detect tripping of the explosion, characterized in that the detection means have a signal line, wherein disconnection means (46, 56, 58) which can be operated by the explosion are assigned to the line element and the signal line, wherein the disconnection means (46, 56, 58) have a disconnection device which is designed to sever the signal line and the line element. - a first and a second connection terminal (42, 44) in order to electrically connect the protective device to the circuit, - a line element which is passed through the protective device and forms an electrical connection between the first and the second connection terminal (42, 44), - a pyrotechnical propellant charge which is designed to break the electrical connection by a trippable explosion, wherein the protective device has detection means (38, 50) in order to detect tripping of the explosion, characterized in that the detection means have a signal line, wherein disconnection means (46, 56, 58) which can be operated by the explosion are assigned to the line element and the signal line, wherein the disconnection means (46, 56, 58) have a disconnection device which is designed to sever the signal line and the line element.
An apparatus comprising: physical layer, PHY, logic; a register, wherein the register is associated with the PHY; an interface configured to couple the physical layer logic to a media access layer, MAC, wherein the interface comprises: a transmit pair (406, 412) configured to send data to the MAC; a receive pair (411, 407) configured to receive data from the MAC; a message bus interface configured to receive a write command from the MAC, wherein the write command is configured causes a value to be written to the register, and the value identifies a recalibration request; and a recalibration logic configured to perform a recalibration of a PHY receiver based on the recalibration request; the apparatus is characterized in that another write command is configured to be sent on the message bus interface from the PHY configured to write a particular value to an address associated with a MAC register hosted in MAC address space, and the particular value is configured to indicate that the recalibration is completed; wherein the PHY register comprises a receiver control register and the MAC register comprises a receiver status register; and wherein the value written to the PHY register comprises a value to an IORecal bit of the receiver control register, and the particular value written to the MAC register comprises an IORecalDone bit of the receiver status register. physical layer, PHY, logic; a register, wherein the register is associated with the PHY; an interface configured to couple the physical layer logic to a media access layer, MAC, a transmit pair (406, 412) configured to send data to the MAC; a receive pair (411, 407) configured to receive data from the MAC; a message bus interface configured to receive a write command from the MAC, wherein the write command is configured causes a value to be written to the register, and the value identifies a recalibration request; and a recalibration logic configured to perform a recalibration of a PHY receiver based on the recalibration request; another write command is configured to be sent on the message bus interface from the PHY configured to write a particular value to an address associated with a MAC register hosted in MAC address space, and the particular value is configured to indicate that the recalibration is completed; wherein the PHY register comprises a receiver control register and the MAC register comprises a receiver status register; and wherein the value written to the PHY register comprises a value to an IORecal bit of the receiver control register, and the particular value written to the MAC register comprises an IORecalDone bit of the receiver status register.
Method for operating an electrical energy supply network having a subnetwork which has electrical loads and/or electrical sources, wherein, in the method, - a decentralized control device is assigned to the subnetwork and is used to generate, using state values indicating a current electrical operating state of the subnetwork, control signals which are used to control components of the subnetwork, wherein - the decentralized control device comprises a state estimation device which is used to estimate the state values using input signals supplied to the state estimation device; - the decentralized control device comprises an evaluation device which is used to check the state values in order to determine whether they indicate an undesirable electrical operating state of the subnetwork of the energy supply network, and a control signal is generated if the state values indicate an undesirable electrical operating state; characterized in that - the state estimation device is supplied with input signals which indicate an environmental state in the region of the subnetwork, wherein - one or more of the following signals are used as input signals: - a weather signal indicating the current weather in the region of the subnetwork; - a time signal indicating the current time; - a type of day signal indicating the type of the current day; and - the state estimation device comprises an artificial neural network which is trained in such a manner that it determines the state values using the input signals. - a decentralized control device is assigned to the subnetwork and is used to generate, using state values indicating a current electrical operating state of the subnetwork, control signals which are used to control components of the subnetwork, wherein - the decentralized control device comprises a state estimation device which is used to estimate the state values using input signals supplied to the state estimation device; - the decentralized control device comprises an evaluation device which is used to check the state values in order to determine whether they indicate an undesirable electrical operating state of the subnetwork of the energy supply network, and a control signal is generated if the state values indicate an undesirable electrical operating state; characterized in that - the state estimation device is supplied with input signals which indicate an environmental state in the region of the subnetwork, wherein - one or more of the following signals are used as input signals: - a weather signal indicating the current weather in the region of the subnetwork; - a time signal indicating the current time; - a type of day signal indicating the type of the current day; and - the state estimation device comprises an artificial neural network which is trained in such a manner that it determines the state values using the input signals.