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WO/2023/076837A1 |
In a general aspect, a method can include detecting, by a motor controller, an operating fault associated with operation of a powertrain of an electric vehicle. The powertrain can include a permanent magnet motor, a multi-phase inverter ...
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WO/2023/074151A1 |
The present invention is for measuring frequency characteristics with high accuracy. A frequency characteristic measurement apparatus (10) is provided with a first output unit (11), a frequency characteristic calculation unit (13), a res...
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WO/2023/073792A1 |
This motor control device is provided with an assist torque current calculation unit (25a) for calculating a current which should be supplied to a motor, and an overheat protection limiting current calculation unit (25b): for calculating...
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WO/2023/072763A1 |
Device (45) for controlling an inverter/rectifier (9) of an electrical circuit of a hybrid or electric vehicle, the electrical circuit comprising: - a polyphase stator winding; - a battery (31); at least one electrical energy storage uni...
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WO/2023/076942A1 |
A method of determining rotor angle limits for static heating of an electric motor comprises: applying a brake to a wheel of a vehicle, wherein the vehicle has an electric motor; while the brake is applied, providing a first current to t...
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WO/2023/072594A1 |
The invention relates to an operational strategy for drive units having a plurality of electrically driven axles. To this end, the invention provides for acquiring user data of the components of the individual electrically driven axles. ...
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WO/2023/073937A1 |
A machine tool (10) is provided with: a static-pressure bearing (216) that comprises a moving body (230) and a fixed section (220) that uses a fluid to support the moving body; a fluid supply unit (310) that outputs the fluid at a pressu...
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WO/2023/073754A1 |
A power supply shut-off device according to the present disclosure comprises a power supply relay having serially connected first switching elements and second switching elements, a power supply relay driving circuit for inputting a driv...
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WO/2023/068305A1 |
A control device (10) comprises: a plurality of control units (150, 250); inter-system communication circuits (152, 252); internal power supply circuits (155, 255); and protection circuits (160, 260, 62-64). The control units (150, 250) ...
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WO/2023/067787A1 |
According to the present invention, a user can easily set and change the stability margin of a servo control device. A setting support device, which supports a user in setting a stability margin of a servo control device, comprises: a ...
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WO/2023/067889A1 |
A drive member control device (2) comprises a control unit (8) that controls a motor (M) for causing a drive member (1) to perform driving and restricts the supply of power to the motor in response to an estimated motor temperature (A) w...
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WO/2023/061788A1 |
The invention relates to a management system and method for the heat treatment of at least one element of a drive train of an electric or hybrid motor vehicle so as to optimize the performance of the vehicle for intensive use being carri...
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WO/2023/061814A1 |
The invention relates to a safety module (40) for an inverter (20) of a motor vehicle, the inverter (20) comprising at least two power circuits (C1, C2, C3), the safety module (40) comprising a control unit (42) and at least two safety s...
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WO/2023/058340A1 |
According to the present invention, a microcomputer of a VVT controller rotationally drives an electric motor of a VVT mechanism, which is provided with a stopper that regulates the rotation angle, through speed feedback control. At this...
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WO/2023/058203A1 |
This control device comprises: a temperature acquiring unit that acquires a detected temperature; a friction force calculation unit that calculates a viscous friction force generated in an actuator of a machine at the detected temperatur...
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WO/2023/057210A1 |
The present invention relates to an array (10) of sensors, for an inverter (20), comprising at least one position sensor using so-called inductive technology (30) and at least one temperature sensor (40) for an electric motor, each of th...
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WO/2023/054953A1 |
The present invention provides a motor or a generator in which the number of poles of winding is reduced and phases are converted in the forward direction by means of a neural point changeover switch and a phase changeover switch, and th...
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WO/2023/053241A1 |
This short circuit detection device (100) for a dynamo-electric machine (10) comprises: a signal acquisition unit (61); a signal decomposition unit (62); a specific frequency component reduction unit (63); a signal conversion unit (64); ...
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WO/2023/050892A1 |
An electric motor overload protection method, an electric motor controller, an automobile and a storage medium. The method comprises: collecting the current phase-current valid value of an electric motor (S101); performing time integrati...
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WO/2023/047468A1 |
This motor drive device comprises: a storage unit for storing the prespecified parameters of a registered motor; a dynamic braking circuit; a calculation unit for calculating, using the rotational speed per unit time of a driven motor wh...
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WO/2023/048383A1 |
According to various embodiments, an electronic device may comprise: a motor; a flexible display in which a screen exposed to the outside by driving of the motor is expanded or contracted; a driving level determination unit for determini...
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WO/2023/043452A1 |
A method of determining a characteristic of a printer motor in a printer is provided. The method comprises applying to the printer motor a predetermined voltage for a predetermined time, registering a number of signal pulses detected by ...
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WO/2023/040639A1 |
The present application discloses a drive control device for a brushless motor and a related device, which relate to the technical field of drive control and aim to quickly shut down a brushless motor. The specific solution is: a motor d...
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WO/2023/040216A1 |
Provided are a motor stalling protection control method and apparatus, an electric milling machine, an electronic device, a computer-readable storage medium, and a computer program product. The method comprises: determining whether a mil...
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WO/2023/040236A1 |
Provided are an overvoltage protection circuit, an overvoltage protection method, and a motor controller, relating to the technical field of high voltage. The overvoltage protection circuit comprises a voltage sampling circuit (100), an ...
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WO/2023/041220A1 |
The invention relates to a device (100) and a method (400) for operating an electric machine (190). The device (100) comprises a power module (110) of an inverter (120). The power module (110) comprises a plurality of switching elements ...
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WO/2023/036145A1 |
The present application belongs to the technical field of electronic devices. Disclosed are a control method and apparatus for a vibration motor, and an electronic device and a storage medium. The control method for a vibration motor com...
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WO/2023/036872A1 |
The invention provides a system and a method for obtaining an estimated output power of an electric motor. The system is configured to obtain the estimated output power by performing an output power estimation on the basis of data measur...
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WO/2023/036035A1 |
Provided is a method for achieving motor control in an open-phase condition, comprising: collecting a three-phase current and a duty cycle signal; calculating a d-axis demand current, a q-axis demand current, a d-axis feedback current, a...
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WO/2023/032175A1 |
The present invention reduces the number of rounds of measurement and shortens the measurement time, by predicting frequency characteristics on the basis of measured frequency characteristics. This frequency characteristic prediction d...
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WO/2023/028504A1 |
The subject matter of this specification can be embodied in, among other things, a torque motor monitoring system that includes a first observer module configured to receive a first collection of operational information about a torque mo...
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WO/2023/026335A1 |
This primary variable speed generator-motor device uses, as a frequency converter, two 3-level power converters (1, 8), the DC sides of which are rear-connected, wherein: a mode is provided in which, when an overcurrent of the AC current...
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WO/2023/026433A1 |
A diagnostic device according to the present disclosure is a diagnostic device for performing a diagnosis on an industrial machine, the device comprising: a data acquisition unit that acquires data relating to operation of the industrial...
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WO/2023/017336A1 |
A method of controlling an electric motor to optimize system efficiency of an electric motor operable in a pulsed mode and a continuous mode is disclosed herein. The method includes receiving a requested torque for the electric motor, ca...
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WO/2023/013245A1 |
Provided is a servo system and a control method for a servo system that suppress a rise in costs and has a high reliability. The servo system has a servo motor, an encoder for detecting rotary information of the position and speed of t...
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WO/2023/011974A1 |
Disclosed is a method for controlling the operation of an electric machine (1) of a motor vehicle, involving the steps of: - acquiring an error condition; - switching the electric machine (1) into one of at least two error modes of opera...
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WO/2023/013068A1 |
This motor drive system comprises: a drive-motor drive device for driving a drive motor that is served as power for a machine; a drive-motor control unit for controlling the drive-motor drive device so that the drive motor operates with ...
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WO/2023/012902A1 |
A servo motor control device that can suppress quadrant projection in a relatively short time is a servo motor control device that controls a servo motor according to an original command value, and comprises: an inversion detection unit ...
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WO/2023/012873A1 |
A control system according to one embodiment comprises: a feed-forward control unit that, on the basis of a control object model representing the relationship between an operation of a control object and the friction that acts on the ope...
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WO/2023/011973A1 |
Disclosed is a method for controlling the operation of an electric machine (1) of a motor vehicle, involving the steps of: - acquiring an error condition; - switching the electric machine (1) into one of at least two error modes of opera...
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WO/2023/004625A1 |
An electric vehicle control system, which comprises: a first control circuit (21), a second control circuit (22), a first switch circuit (23), a second switch circuit (24), a first actuation apparatus (25), and a second actuation apparat...
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WO/2023/006272A1 |
A system includes a controller for a DC to AC inverter including a processor configured to execute instructions to perform operations including: generating a first pulse for a first phase of a center-aligned PWM signal to alternately act...
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WO/2023/006004A1 |
An electric vehicle control system comprises: a first control circuit (21), a second control circuit (22), a first switching circuit (23), a second switching circuit (24), a first execution device (25), and a second execution device (26)...
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WO/2023/006296A1 |
The invention relates to a method for operating an electric motor and for determining temperature information relating to a hotspot temperature in a component of the electric motor, having the following steps of: - providing one or more ...
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WO/2023/006973A1 |
Electric machine overvoltage suppression circuit (filter), comprising: a voltage fluctuation suppression module and a voltage clamping module, the voltage fluctuation suppression module being connected to a frequency converter, and the v...
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WO/2023/008236A1 |
An operation adjustment system according to one example comprises: an inference unit that, on the basis of a plurality of pairs each constituted by a parameter set which affects the operation of a motor control device in response to a co...
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WO/2023/006422A1 |
The invention relates to a control device (8) for a drive system (19) which has an electric motor (2) electrically connected by a power electronics unit (7) to an electric power storage device (6), the control device (8) having a computi...
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WO/2023/006414A1 |
An electric drive system (1A-1D) comprises an electric motor (10; 10A, 10B) having a rotor (100) and a plurality of lanes (101A-101D) which are electrically isolated from one another and to which electric current can be applied independe...
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WO/2023/008010A1 |
In a railway vehicle equipped with an electric motor, in order to suppress rotational speed fluctuations when wheel slip or skidding occurs, by using a simple configuration to appropriately vary a torque command reduced speed during whee...
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WO/2023/002809A1 |
This control device comprises: a command calculating unit (50) for calculating a command value for a rotating electrical machine (20); a rotating electrical machine control unit (36) for performing switching control of higher and lower a...
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