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WO/2023/030387A1 |
Provided is a method for suppressing 24th-order noise of an electric motor on the basis of harmonic current injection. The method comprises: converting a three-phase current of an electric motor, which is collected by a three-phase curre...
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WO/2023/032182A1 |
Provided is an electric motor monitoring device for estimating a torque without obtaining an iron loss resistance. The electric motor monitoring device comprises: a magnetic flux calculation unit (131) for calculating the stator interl...
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WO/2023/029903A1 |
Disclosed herein are a load inertia identification method and apparatus, an electronic device, and a system. The load inertia identification method comprises: acquiring an input control instruction, the motor rotating speed, and the load...
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WO/2023/026352A1 |
A control device (100) comprises: a current detector (4) for detecting stator currents flowing between a voltage applier (3) and the stator windings of a rotating machine (2); a controller (5) for calculating, on the basis of the stator ...
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WO/2023/026625A1 |
Provided is a highly reliable synchronous motor driving device that is capable of highly accurately estimating and restricting a direct current, without the need for an additional configuration such as a dedicated current detection senso...
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WO/2023/025752A1 |
The invention relates to a method for operating a drive system (1) of an electric bicycle (10), comprising the steps of: operating (21) an electric motor (2) of the drive system (1) by actuating the electric motor (2) with an electric mo...
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WO/2023/026332A1 |
This control apparatus (100) comprises: an electric current detection unit (2) for detecting a rotating machine electric current flowing in a rotating machine (1); a position estimation unit (4) for calculating an estimated value of a ro...
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WO/2023/024029A1 |
Provided in the present application are a control method and apparatus for a permanent-magnet synchronous electric motor, and a permanent-magnet synchronous electric motor control system. The method comprises: acquiring a d-axis current ...
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WO/2023/024918A1 |
Provided are an electric motor control method and an electric vehicle. The electric motor control method comprises: in the mode where an electric motor outputs a torque, a torque-current instruction calculation module converting a torque...
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WO/2023/027622A1 |
A magnetic flux control system (41) for controlling the magnetic flux in an electrical machine (1) with concentrated windings (22A-C) has at least one magnetic balancing power supply (51A-C), at least one balancing-current controller (61...
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WO/2023/026351A1 |
A control device (100) comprises: a current detector (4) for detecting stator currents flowing between a voltage applier (3) and the stator windings of a rotating machine (2); a controller (5) for calculating, on the basis of the stator ...
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WO/2023/023991A1 |
Provided are a control method, system and apparatus for an electric motor, and an electric vehicle. The method comprises: acquiring the input power and output power of an electric motor (201); performing calculation according to the inpu...
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WO/2023/026273A1 |
Circuitry for efficiently operating a three-phase AC motor having three coils, each of which implementing a corresponding phase, comprising four half-bridge inverters having a common bus voltage, for controlling the level and the phase o...
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WO/2023/022116A1 |
A current detection device (150, 250, 350, 450, 550) is applied to a control device for a polyphase AC rotary electric machine and detects a phase current flowing in a power line for supplying power to the rotary electric machine. The cu...
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WO/2023/020998A1 |
The invention relates to a method for detecting a fault, in particular an impeller blockage, in a pump, in particular a centrifugal pump, having a multi-phase, in particular three-phase, drive motor, by evaluating at least one harmonic o...
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WO/2023/015557A1 |
Embodiments of the present application provide a torque acquisition method and apparatus, a motor controller, a readable storage medium. The torque acquisition method comprises: acquiring the rotational speed of a motor; acquiring the cu...
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WO/2023/012888A1 |
This magnetic gear embedded rotating electric machine control device (100) controls a voltage applied to a stator winding of a rotating electric machine (1) in which a magnetic gear is embedded and thereby causes the output of the rotati...
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WO/2023/013302A1 |
In order to provide a driving control device that is for an alternating current electric motor and can suppress torque vibration during location sensor-equipped control of the alternating current electric motor, said torque vibration bei...
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WO/2023/011355A1 |
The present invention relates to the technical field of air conditioner control, and particularly provides a compressor control method and system, and an air conditioner, to solve the problem that a compressor parameter offset may lead t...
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WO/2023/012923A1 |
A power conversion unit (1) comprises a power converter (2) that supplies power to a dynamo-electric machine (4), and a control unit (10). The control unit (10) comprises: a magnetic flux computing unit (15) that computes the magnetic fl...
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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/2023/004618A1 |
Disclosed in the present invention are an adaptive current control method and system for an alternating current servo motor. The method comprises: obtaining an original current of a three-phase alternating current motor; inputting the or...
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WO/2023/000683A1 |
Provided is a non-inductive vector control-based permanent magnet synchronous motor operation control method, which is characterized in that: during motor operation, when a shutdown control signal sent by an external device is received, ...
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WO/2023/000593A1 |
Disclosed in the present invention are a control device and control method for an internal combustion electric transmission tractor transmission system. The control device comprises an internal combustion electric transmission system tra...
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WO/2023/000984A1 |
Disclosed herein are a hub motor control system, a control method, a tire, and a driving device. The control system comprises at least two motor control units, a protection control unit, and multiple sub-unit motors. Each motor control u...
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WO/2023/003799A1 |
A system and method uses field-oriented control (FOC) of a multi-phase motor to prevent thermal runaway of the thermal battery that powers the motor. An offset is applied to the flux command signal to ensure that the power level drawn fr...
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WO/2023/286498A1 |
The present invention concerns a device and a method for controlling a motor using a maximum torque per ampere field module and a direct flux vector control module. The invention: - determines by the direct flux vector control module ref...
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WO/2023/286497A1 |
The present invention concerns a method and and device for injecting a high frequency current vector which has a fixed angle with the measured current vector flowing in the machine. The invention: - measures the motor current vector, - d...
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WO/2023/284785A1 |
A battery pack heating method, a motor controller, an electric vehicle, and a system, capable of improving the heating efficiency of a battery pack (120). The motor controller (130) comprises a controller (132) and an inverter circuit (1...
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WO/2023/286272A1 |
An objective of the present invention is to obtain a motor control device and motor control method in which an electric circuit constant can be measured with high precision in motor control. A motor control device (100) comprises an el...
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WO/2023/284665A1 |
The present application discloses a motor control method, apparatus and system. The method comprises: generating first control quantity by using voltage control quantity and feedforward compensation quantity; determining an amplitude of ...
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WO/2023/281794A1 |
This motor control device comprises an inverter circuit that drives a motor, and a control unit that controls the inverter circuit by generating a current command value on the basis of a torque command for the motor and outputting a PWM ...
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WO/2023/281285A1 |
Characteristic coordinates used in this motor control method use the rotational speed of a motor and the torque of the motor as axes and include: a first region indicating a region in which the rotational speed is higher than a first pre...
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WO/2023/283378A1 |
Systems and methods are provided for controlling and simulating a motor. An electronic motor controller determines present motor information and a motor control parameter set based on the present motor information and a rotating referenc...
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WO/2023/281339A1 |
A method of controlling an electric motor includes pulsing the electric motor and phase shifting the modulation frequency. Pulsing the electric motor at the modulation frequency propels a vehicle to increase efficiency of the electric mo...
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WO/2023/274443A1 |
The present invention relates to a method for estimating a torque of an electric machine (1), comprising the following steps: estimating a first torque (M1) using a first method by forming a cross product from an estimated magnetic flux ...
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WO/2023/278369A1 |
A motor controller integrated circuit (IC) includes a storage device (120) containing software, and a processor core (110). The processor core (110) has an output adapted to be coupled to a motor (M). The processor core (110) is configur...
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WO/2023/278532A1 |
A motor controller (104) is operable to control a motor (102). The motor (102) has a first terminal (144) and the motor controller (104) includes an angular velocity transmission path (115) having an input and an output. A current genera...
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WO/2023/276593A1 |
A control device (10) comprises a control unit (S5) that controls a three-phase brushless motor (M). The control unit (S5) performs drive control to rotate a rotor to a target stopping position (TP) which is a target for stopping the rot...
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WO/2023/276181A1 |
This power conversion device has a power converter for outputting, to a magnet motor, a signal that makes the output frequency, output voltage, and output current of the magnet motor variable and a control unit for controlling the power ...
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WO/2023/276368A1 |
Provided are: a motor device that makes it possible to reduce the number of switches while individually controlling each of the phases of a switched reluctance motor comprising one rotor and two systems of three-phase windings; and a met...
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WO/2023/272527A1 |
A heating control method and apparatus, an oil pump motor, and a heat exchange system. The method comprises: injecting a heating current into an oil pump motor in a cold state, wherein when the oil pump motor is not started, a torque tha...
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WO/2023/274670A1 |
The invention relates to a method for controlling a multiphase voltage signal in a closed-loop manner, which voltage signal is supplied to at least one phase set (3, 3') of a stator (4) of an electric machine (2) of a drive system (1) of...
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WO/2023/273550A1 |
Provided are a busbar (202) current control method, apparatus and system, and a storage medium. The control method comprises the following steps: acquiring a data set, the data set comprising the rotational speed, actual current, and act...
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WO/2022/267111A1 |
Disclosed in the present invention are a magnetic field modulation type radial permanent magnet electric motor having high mechanical robustness, and a multi-harmonic optimization design method therefor. In order to enhance the mechanica...
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WO/2022/272158A1 |
A motor controller integrated circuit (IC) includes a storage device (120) containing software (125). The IC also includes a processor core (110) coupled to the storage device (120). The processor core (110) has an output adapted to be c...
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WO/2022/262091A1 |
A multi-current sensor proportional error balancing control method for a permanent magnet synchronous motor (PMSM), comprising: providing an impedance network between a direct current power supply and a three-phase inverter connected to ...
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WO/2022/265986A1 |
An electric machine is provided. A polyphase machine is provided. A power inverter is electrically connected to the polyphase machine. A controller is electrically connected to the power inverter, wherein the controller provides switchin...
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WO/2022/263164A1 |
The invention relates to an electric hand-held power tool, having a brushless DC motor and a control unit for field-oriented control of the DC motor based on a current demand signal and a voltage setpoint derived from the current demand ...
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WO/2022/257405A1 |
The present application is applicable to the technical field of motor control, and provides a maximum torque per ampere (MTPA) control method and apparatus, a terminal device, and a storage medium. The MTPA control method comprises: acqu...
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