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Matches 701 - 750 out of 12,800

Document Document Title
WO/2020/003771A1
The motor control device according to the present disclosure determines, on the basis of a torque command value, a command value for a current vector in a dq coordinate system which rotates in synchronization with a rotor. The motor cont...  
WO/2020/003772A1
In an embodiment, the motor control device according to the present disclosure determines, on the basis of a torque command value, a command value for a current vector in a dq coordinate system which rotates in synchronization with a rot...  
WO/2020/001945A1
The invention relates to a method for determining the position (ӨR) and the rotational speed (nR) of a rotor of an electrical machine during an active short circuit and a rotor-state determining device (10) designed to carry out the met...  
WO/2020/003770A1
In an embodiment, the motor control device according to the present disclosure is a motor control device (100) that determines, on the basis of a torque command value, a command value for a current vector in a dq coordinate system which ...  
WO/2019/242407A1
Provided by the present invention is a method for controlling a speed regulation system of an asynchronous motor on the basis of a Buck-Boost matrix converter (BBMC). The method comprises steps of: detecting the actual rotational speed o...  
WO/2019/244370A1
Provided are induction electric motor overheat monitoring method and device that make it possible to detect induction electric motor overheat only from the detected value of a current sensor without requiring many sensors as in conventio...  
WO/2019/243265A1
The invention relates to a method for controlling, by means of field-oriented control, an active rectifier electrically connected to a stator of a generator of a wind turbine. The generator has a rotor mounted for rotation about the stat...  
WO/2019/242733A1
A method and device for calibrating a current of a permanent magnet synchronous motor. The method comprises: obtaining an inflection-point rotating speed at which the permanent magnet synchronous motor enters a weak magnetic area from a ...  
WO/2019/240826A1
A 3-phase motor driver circuit has a first input to be coupled to an output of a first phase current sensor, and a second input that represents a zero reference. A controller adjusts one or more of a first phase voltage, a second phase v...  
WO/2019/239657A1
When controlling the driving of a permanent magnet synchronous motor, in order to estimate magnet's magnetic flux with high accuracy and robustness against harmonic components of induced voltage and errors in setting constants for resist...  
WO/2019/237868A1
A vibration suppression method for a servo motor and a load multi-stage transmission system. N + 1 vibration suppression filters are used with respect to N fixed vibration frequencies and one vibration frequency that varies with a load p...  
WO/2019/233021A1
A motor control method and apparatus, an electronic governor (20), and an unmanned aerial vehicle (100). The method comprises: acquiring a current battery voltage Udc and a q-axis voltage input instruction value uqref0, and obtaining a c...  
WO/2019/230818A1
In an embodiment of the present invention, a motor control device controls a permanent magnet synchronous motor (100) which has a stator (100S) and a rotor (100R), and said motor control device comprises a processor (90) and memory (95),...  
WO/2019/227813A1
A motor starting method and device, an electronic speed regulator (20), and an unmanned aerial vehicle (100). The method comprises: in the period from 0 to t0: taking a first specified voltage as a current q-axis voltage; performing clos...  
WO/2019/227863A1
A control system and a method for a permanent magnet synchronous traction drive system. The control system comprises a sampling unit and a controller, the sampling unit collecting an operational excitation current and an operational torq...  
WO/2019/229885A1
A permanent-magnet synchronous motor (100) is provided with: a main inverter circuit (3) that converts direct-current power to three-phase alternating-current power by switching a plurality of transistors (31–36); a motor body (20) tha...  
WO/2019/227179A1
A method of facilitating control of a multi-phase electric machine under fault conditions of one or more open phases, the method including the steps of receiving unbalanced current data from an optimisation engine into a stationary trans...  
WO/2019/227860A1
The present invention provides an identification method and an identification device for a permanent magnet flux linkage of a permanent magnet synchronous motor, and a computer readable storage medium. The identification method for the p...  
WO/2019/225373A1
This motor drive device for sine wave driving a three-phase brushless motor is configured to find a phase current value of each of the phases with a single current sensor. The motor drive device for sine-wave driving a three-phase brushl...  
WO/2019/218980A1
A permanent magnet motor, comprising a stator, a rotor, and a control circuit. The stator uses three-way water cooling control; a first permanent magnet and a third permanent magnet comprised in the rotor are made of different materials ...  
WO/2019/218389A1
Disclosed in the present invention is a virtual voltage injection-based speed sensor-less driving control method for an induction motor: first injecting a virtual voltage signal into flux linkage and a rotational speed observer of a moto...  
WO/2019/220798A1
This rotary electric machine 10 is provided with: a stator 40; armature windings 50u, 50v, 50w wound around the stator; a rotor 20 having a plurality of poles; and a control unit 100 that controls the rotation of the rotor by controlling...  
WO/2019/216050A1
A motor control device according to an aspect of the present invention is provided with: an inverter that drives a motor; and a control arithmetic unit that calculates a current command value indicating a current supplied from the invert...  
WO/2019/214777A1
The invention relates to a method for generating and/or compensating for vibrations by means of electric machines, in particular by means of electric motors, wherein actual values for current components are obtained via a power electroni...  
WO/2019/210854A1
A zero self-learning method for a position sensor of a synchronous reluctance motor, comprising the following steps: step 1: determining the position of a motor, and controlling current to lock a d-axis position of the motor; step 2: det...  
WO/2019/206551A1
The invention relates to a device for protecting an electrical machine in the event of a fault, the electrical machine having six phase terminals. The device has a monitoring unit for detecting a fault of the electrical machine and a swi...  
WO/2019/207678A1
An inverter control device (3) that controls an inverter (1) for driving a motor (2) that is a synchronous motor, wherein the inverter control device (3) comprises: a torque calculating unit (34) that calculates a load torque on the basi...  
WO/2019/208007A1
This motor drive device performs stable current control even when an external disturbance occurs, while suppressing steadily occurring current ripples. The motor drive device 100 is provided with a power conversion circuit 103 for drivin...  
WO/2019/205112A1
Disclosed are an air compressor, and an electric motor control method and device for an air compressor, which are applicable to the technical field of air compressors. The method comprises the following steps: controlling the start of an...  
WO/2019/201961A1
A method of determining an offset between an angular position indicated by a rotary position sensor assembly secured directly or indirectly to the rotor of a multiphase permanent magnet AC motor and an actual electrical position of the m...  
WO/2019/204501A1
A brushless, self-excited synchronous field winding machine is presented. The AC stator is configured with four or more phases to produce independent magnetic fields at different spatial harmonics. Windings in the rotor are configured to...  
WO/2019/202188A1
The invention describes a new method and device for determining torque, speed and energy losses of three-phase asynchronous electric motors, from the direct measurement of stator currents, with the motor in operation.  
WO/2019/196352A1
A motor acceleration method and apparatus, and an unmanned aerial vehicle. The method comprises: performing closed loop control on a d-axis current to obtain a current d-axis voltage; determining a q-axis voltage change coefficient K, wh...  
WO/2019/198507A1
This control device for controlling a motor is provided with: a rotation information calculation unit; an average load torque calculation unit; a normalized torque pattern storage unit; an allowable rotational speed fluctuation range sto...  
WO/2019/198411A1
This control device for controlling a motor is provided with: a rotation information calculation unit; an average torque calculation unit; a normalized torque pattern storage unit; an allowable rotational speed fluctuation range storage ...  
WO/2019/197107A1
The invention relates to a control device (3) for controlling the current of a rotating field machine (2) of a motor vehicle, having - a current controller (4) for determining a fundamental oscillation (u1, u2, u3) of an output voltage f...  
WO/2019/196506A1
Disclosed is a servo driver, comprising: a rectification and inversion circuit, which is configured to obtain a three-phase alternating current and output the three-phase alternating current to a servo motor, and is further configured to...  
WO/2019/198421A1
This control device for controlling a motor is provided with: a rotation information calculation unit; an average torque calculation unit; a normalized torque pattern storage unit; a modulation factor determination unit for determining a...  
WO/2019/185299A1
The present invention provides a means of controlling an electric drive system for the selective influencing of the oscillation behaviour, in particular for the selective control of harmonics. Two control circuits are provided for this p...  
WO/2019/187815A1
A motor control device is provided with which it is possible to detect early that a motor has entered an abnormal state. The motor control device comprises: a control unit that calculates a voltage command value on the basis of an input ...  
WO/2019/187678A1
To realize control having excellent ease of use with respect to a motor having mutually independent windings. A motor control device 10 controls a motor 200 so that a phase current based on a torque command value that is an input command...  
WO/2019/182547A1
The invention relates to synchronous electric motors, and more particularly to a method for controlling a permanent-magnet synchronous electric motor for use as a linear actuator for an electrical submersible pump assembly. The claimed m...  
WO/2019/181322A1
[Problem] To provide a motor control device and a motor control method with which it is possible to stably control weak magnetic flux even when a sudden change occurs in power supply voltage or speed. [Solution] In this motor control dev...  
WO/2019/180795A1
This electric motor control device having a first winding wire and a second winding wire comprises: a first power converter for applying voltage to the first winding wire; a second power converter for applying voltage to the second windi...  
WO/2019/175788A1
An energy storage system (10) connectable to a power supply source (R) comprising: a storage assembly (30) for storing at least part of the power supplied by the power supply source (R) and comprising at least one electric charge storage...  
WO/2019/176109A1
A motor control method in which a voltage command value is calculated on the basis of a torque command value for a motor, a modulation factor is calculated on the basis of a power supply voltage and the voltage command value, a compensat...  
WO/2019/169850A1
A motor control method, a motor control device, and an unmanned aerial vehicle control system. The motor control method comprises: receiving a control signal for controlling the speed of a motor; acquiring an upper threshold of a given s...  
WO/2019/171836A1
Provided is a vehicle control device capable of continuing torque control of a motor even when a battery and an inverter are disconnected from each other and capable of continuing torque control of the motor also when the battery and the...  
WO/2019/170937A1
Method and computer program product for speeding up the calculation of the stationary state of a squirrel-cage induction motor. The present invention relates to a method and computer program product for speeding up the calculation of the...  
WO/2019/171438A1
A control device for an AC rotating machine, in which the present invention is applied, applies a voltage to the AC rotating machine on the basis of a voltage command value on stationary coordinates. A current having a plurality of phase...  

Matches 701 - 750 out of 12,800