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WO/2022/186322A1 |
A field weakening controller (50) determines a d-axis current command correction value (Id_fw*) in the field weakening control in accordance with a modulation factor that correlates with a ratio of the amplitude of a voltage applied to a...
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WO/2022/186315A1 |
A weak field controller (40) determines a d-axis current command correction value (Id_fw*) in weak field control in accordance with a voltage (Vdc) of a direct-current power source (60) and a voltage amplitude (Vamp) of a voltage command...
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WO/2022/183537A1 |
Disclosed in the present invention is an open-circuit unified fault-tolerant control method for vector and direct torque control driving systems of a five-phase permanent magnet fault-tolerant electric motor. The core part of the control...
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WO/2022/187714A1 |
A stator defines multiple stator poles with associated stator windings. A rotor defines multiple rotor poles with associated rotor windings configured to be energized substantially by the stator. The rotor defines a rotor field energizab...
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WO/2022/178746A1 |
A method of controlling a sensorless motor (32). The method contains the steps of determining a current speed of the motor (32); selectively using a first method, a second method, or a third method to determine a position of a rotor of t...
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WO/2022/179365A1 |
The present invention provides a voltage source electromechanical transient modeling method and device for a doubly-fed generator excitation system. The method comprises: establishing a voltage source electromechanical transient model of...
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WO/2022/180896A1 |
This inverter control device controls an inverter connected to a motor on the basis of a current detection value and a predetermined current command value, said current detection value being based on the detection result of a current det...
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WO/2022/181385A1 |
In order to handle the necessity of instantaneously estimating rotation speed from the state of a power-cut-off such as for coasting driving and smoothly restarting when performing driving control of a speed-sensorless induction motor, a...
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WO/2022/180895A1 |
This motor drive device is for driving a motor by controlling torque, which is generated by the motor, on the basis of d-axis current and q-axis current. The motor drive device comprises: a d-axis current command generation unit that cal...
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WO/2022/174488A1 |
A neural network bandpass filter-based vibration compensation controller for a bearingless permanent-magnet synchronous motor, consisting of a displacement controller (1) and a rotating speed controller (2). The displacement controller (...
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WO/2022/176390A1 |
A control device for a permanent magnet synchronous motor, the control device comprising: a means for setting voltage commands on two axes of a rotational orthogonal coordinate system; a means for coordinate-converting the voltage comman...
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WO/2022/172505A1 |
A control unit (9) of this electric motor driving device (10) has a first mode and a second mode. In the first mode, while a current command in a direct current coordinate system flowing through an electric motor (5) is controlled as an ...
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WO/2022/172472A1 |
The present invention is a motor control device having a feedback system including a plurality of controllers to which a feedback signal related to the operation of a motor for a control shaft configured to bear a prescribed unbalanced l...
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WO/2022/173551A1 |
Six-phase permanent magnet-type electric machines are disclosed. The electric machine includes a stator and a rotor configured to operate as a first three-phase electric machine and a second three-phase electric machine. The first and se...
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WO/2022/172473A1 |
A motor control device drive-controls a motor for a control shaft that is configured to have a predetermined unbalanced load applied thereto. The motor control device comprises: a control unit having a feedback system that includes a plu...
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WO/2022/169575A1 |
A multiphase motor control system and method of operation. Discloses embodiments comprise receiving multiphase reference commands, transforming the multiphase reference commands into corresponding reference symmetrical components, receiv...
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WO/2022/168339A1 |
A computing device according to the present invention comprises: a means for acquiring a set of values including a rotational speed when the torque of an electric motor is maintained at a prescribed value and the rotational speed is incr...
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WO/2022/168340A1 |
This motor control device comprises a feedback system including a plurality of controllers to which feedback signals relating to operation of a motor are inputted, and the device executes, in a state where the motor is halted by a contro...
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WO/2022/161768A1 |
The invention relates to a method for controlling an electrical drive machine, in particular a motor vehicle, said method comprising at least the method step of measuring the ACTUAL stator currents of the drive machine. The invention als...
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WO/2022/164388A1 |
An active disturbance rejection control (ADRC) system, comprising an ex-tended state observer (ESO) module that is configured to receive input infor-mation comprising a torque reference signal for driving a motor, and an angu-lar positio...
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WO/2022/162989A1 |
This electric motor control device comprises: a hormonic voltage calculation unit for calculating, on a two-phase rotational coordinate system synchronized with a rotor phase, a harmonic voltage to be added to a fundamental wave voltage ...
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WO/2022/159164A1 |
A method includes determining a vector state of an alternating current (AC) electrical machine. The method includes, when the vector state is a zero-vector state, obtaining a plurality of phase current samples of the AC electrical machin...
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WO/2022/158240A1 |
A control device (50) is used in a system (10) that comprises: a rotary electrical machine (30) which includes a rotor (33) having a permanent magnet (34) and a stator (32) having coils (31U, 31V, 31W); and an inverter (40) which has upp...
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WO/2022/151609A1 |
The present invention relates to the technical field of power generation, power transformation, or power distribution, and disclosed in the present invention is a dual three-phase permanent magnet synchronous motor control method for alt...
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WO/2022/147701A1 |
The present invention belongs to the technical field of control over alternating-current permanent magnet synchronous motors. Provided is a method for controlling a robust position of a permanent magnet synchronous motor by taking curren...
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WO/2022/145721A1 |
A motor position detection device, according to the present embodiment, comprises: a rotor which covers the rotational shaft of a motor; a substrate which is disposed so as to face the rotor; a hall sensor which is disposed on one surfac...
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WO/2022/142841A1 |
A power tool and a control method therefor, the power tool comprising a motor, and the motor comprising a rotor and a multi-phase stator winding; a drive circuit, having a plurality of switch units used for outputting a switch signal to ...
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WO/2022/134787A1 |
Provided is a stability control method for a permanent magnet assisted synchronous reluctance electric motor. On the basis of an original vector control method for a permanent magnet assisted synchronous reluctance electric motor, a volt...
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WO/2022/134769A1 |
The present disclosure relates to a method for suppressing motor oscillation in an urban rail permanent magnet traction transmission system, in particular to an active damping compensation method in oscillation suppression, and in partic...
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WO/2022/134484A1 |
Disclosed are a parameter identification method and a parameter identification device for a wind turbine. The parameter identification method comprises: controlling a no-load startup operation and shutdown of a turbine by adjusting the a...
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WO/2022/137612A1 |
A power conversion device comprising: a power converter for outputting a voltage that makes an output frequency variable to an induction motor; and a control unit for outputting a voltage command to the power converter, wherein the contr...
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WO/2022/133892A1 |
A permanent magnet synchronous motor MTPA control method and apparatus, a system and an electronic device. The method comprises: acquiring in real time a torque current setpoint output by a rotational speed regulator (S101); calculating ...
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WO/2022/137650A1 |
Provided is a highly reliable motor control device capable of performing position sensorless operation and capable of reducing a switching shock occurring during switching from synchronous operation mode to position sensorless operation ...
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WO/2022/134772A1 |
Provided is control method for a motor, and in particular a control method for a permanent magnet auxiliary synchronous reluctance motor, which solves the technical problems in which the torque pulsation outputted by a permanent magnet a...
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WO/2022/139553A1 |
A vacuum cleaner according to an embodiment of the present specification comprises: a motor for generating a suction force; an inverter for converting DC power of a DC-link capacitor to AC power and outputting the AC power to the motor; ...
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WO/2022/134751A1 |
The present application relates to the field of motors, and provides a current trajectory searching method based on maximum power optimal control and full-speed domain efficiency optimal control of a permanent magnet synchronous motor. T...
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WO/2022/140102A1 |
A work machine (100) includes a frame (110), a traction system (120) supporting the frame (110), a power source (130) mounted on the frame (110), a switched reluctance motor (205), an inverter (220) configured to control power to the mot...
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WO/2022/131686A1 |
A motor control method according to an embodiment of the present invention comprises the steps of: in a brake mode of a motor, performing three-phase energization in a first range section of a motor rotation speed; performing two-phase e...
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WO/2022/130797A1 |
This motor drive device comprises: an operation clock generation unit; a PWM signal detection unit for detecting a PWM signal on the basis of the clock from the operation clock generation unit, said PWM signal being input from the outsid...
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WO/2022/126838A1 |
The present invention relates to the technical field of motor calibration, and relates to a calibration method and device for a voltage limit ellipse, a terminal, and a storage medium. The present invention comprises: selecting at least ...
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WO/2022/130731A1 |
This motor control device, which is connected to a power converter that converts power from DC power to AC power and which controls the driving of an AC motor that is driven using the AC power, comprises a voltage command generation unit...
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WO/2022/130571A1 |
A control device that performs PWM control of an inverter that drives an electric motor is provided, the control device generating a voltage instruction value using a voltage value obtained by performing proportional integral computation...
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WO/2022/127167A1 |
Disclosed in the present invention is a method for suppressing low-speed noise of a single-resistor sampling permanent magnet synchronous motor, comprising the following steps: (1) determining the minimum sampling time Tmin according to ...
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WO/2022/121261A1 |
Provided are a method for controlling a permanent magnet motor and a control device. Said control method comprises: determining an active current reference initial value and a reactive current reference initial value of a permanent magne...
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WO/2022/120772A1 |
A magnetic field orientation correction method and apparatus for a permanent magnet synchronous motor, an electronic device, and a computer-readable storage medium. Said method comprises: calculating a first value of a power factor angle...
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WO/2022/122460A1 |
The invention relates to a method for operating a speed-variable electrohydraulic pump (110), which has a hydraulic conveyor unit (114) which is driven by an electrical machine (112), wherein the speed of the electrical machine (112) is ...
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WO/2022/117253A1 |
The invention relates to a method for operating an electric machine (2) comprising a rotatably mounted rotor and a motor winding that is electrically connected to an electric energy store (4) by means of power electronics (3). In said me...
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WO/2022/117508A1 |
The invention relates to a monitoring method for an electrical drive system (100) having at least one subsystem (10, 20), each having at least one electric partial motor (11, 12) which is designed as a 3-phase motor, characterized by a) ...
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WO/2022/117247A1 |
The invention relates to a method for operating an electric machine (2), in particular in a motor vehicle, the machine (2) comprising a rotatably mounted rotor and a motor winding that is electrically connected to an electric energy stor...
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WO/2022/113732A1 |
This motor control device controls an AC motor by sensorless control that does not use a rotor position detector. This motor control device includes: an inverter that converts a direct current to an alternating current on the basis of a ...
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