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WO/2023/199563A1 |
This power conversion device has a control unit that controls the output frequency, output voltage, and output current of a motor. The control unit calculates a first torque current command from the deviation between the speed command va...
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WO/2023/200124A1 |
An air conditioner according to an embodiment of the present disclosure comprises: an inverter for driving a first motor and a second motor connected in parallel with each other; and a processor for determining a parameter of the first m...
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WO/2023/194326A1 |
The invention relates to a method for generating reference variables (Iq_ref, Id_ref) that are intended to form input variables for field-oriented control of an electric synchronous machine of a motor vehicle, the method comprising the f...
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WO/2023/194258A1 |
The invention relates to a method for operating an inverter (41) electrically connected to a stator winding of an electric AC voltage machine (36) which drives a component (21) that rotates at least temporarily about a rotational axis in...
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WO/2023/195273A1 |
Disclosed are a motor control device capable of driving an AC motor in a stable manner even under the influence of dead time, and an electric vehicle equipped with an AC motor controlled by said motor control device. This motor control d...
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WO/2023/194734A1 |
Aspects of the present invention relate to a flux estimator (1) for estimating an air-gap flux in a permanent magnet electric motor having a rotor and a stator, the flux estimator (1) comprising a resistance compensation stage having a f...
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WO/2023/195172A1 |
A motor control device comprising: a current control unit that calculates a voltage command with respect to the d axis and the q axis of a motor per each specified calculation cycle; a carrier wave generation unit that generates carrier ...
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WO/2023/188667A1 |
A vehicular driving control device comprises: an electric power conversion circuit that is connected to a DC power source and that supplies electric power of the DC power source to an electric motor in accordance with a voltage command; ...
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WO/2023/186535A1 |
A quadrature winding QW is arranged on the rotor of a phase shifter and is off-set with respect to the field winding DW by 90° (π/2). The field current through the field winding and the current through the quadrature winding are contro...
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WO/2023/181181A1 |
A motor drive device (2) comprises: an inverter (11) to which a battery voltage output from a battery (10) is applied; and a voltage detector (21) which detects a motor induced voltage induced in a single-phase motor (12). The inverter (...
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WO/2023/181182A1 |
A motor drive device (2) comprises: an inverter (11) which applies an AC voltage converted using a DC voltage to a single-phase motor (12); and a voltage detector (21) which detects a motor induced voltage induced in the single-phase mot...
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WO/2023/179004A1 |
Provided in the present disclosure are a decoding apparatus for a sine-cosine encoder, and a drive device and a parameter determination method therefor. The apparatus comprises: a sine-cosine encoder, which detects rotor position informa...
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WO/2023/180675A1 |
The invention relates to a method for controlling a synchronous electric motor, the method comprising: generating (400) a torque reference based on a mechanical setpoint; measuring (405) the position and determining the speed of the moto...
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WO/2023/175774A1 |
This control apparatus for an AC rotating machine comprises: an inverter; a current detector; a first-axis voltage command value computing unit that computes a voltage command value for a first axis among two rotation axes; and a second-...
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WO/2023/175832A1 |
In a scene in which a plurality of surrounding environments and vehicle states are overlapped, provided is a motor control device in which both low loss and low NV can be appropriately achieved. The motor control device performs PWM cont...
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WO/2023/175771A1 |
This control device for an alternating-current rotating machine comprises: an inverter that applies a voltage to the alternating-current rotating machine; a direct-current power source that supplies direct-current power to the inverter; ...
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WO/2023/173601A1 |
Provided are a discrete space vector modulation-based permanent-magnet synchronous motor predicted torque control method, system and apparatus, and a computer readable storage medium. The method comprises: first selecting a target small ...
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WO/2023/174363A1 |
A control method and apparatus for an alternating-current asynchronous motor. The apparatus uses the control method for an alternating-current asynchronous motor to realize the controllable drive of an alternating-current asynchronous mo...
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WO/2023/175760A1 |
This control device for an AC rotating machine comprises: an inverter that applies voltage to the AC rotating machine; a current detector that detects rotating machine current flowing through the AC rotating machine; a first axis voltage...
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WO/2023/171703A1 |
A motor control device according to an aspect of the present disclosure comprises an acquisition unit, a first conversion unit, a generation unit, a second conversion unit, and an adjustment unit. The acquisition unit acquires three phas...
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WO/2023/171122A1 |
A motor control device for controlling a machine comprises: an identification unit that estimates an inertia moment and viscosity friction; a velocity command generation unit that generates a velocity command, which is obtained by integr...
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WO/2023/169268A1 |
Motor rotor position observation methods and devices, a rotor position observer and a medium. A method comprises: when a high-frequency pulse is injected into the d-axis of a motor, determining six comparison values of three-way modulati...
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WO/2023/169275A1 |
A motor rotor position observation method and apparatus, a rotor position observer, and a medium, wherein the method comprises: determining a reference value when a high-frequency pulse is injected into a d axis of a motor, and determini...
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WO/2023/165620A1 |
Air conditioners and control methods thereof. An air conditioner comprises an indoor unit, an outdoor unit and a controller. The outdoor unit comprises a compressor. The controller is configured to acquire a first rotating speed value, a...
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WO/2023/165677A1 |
The present invention relates to a method for measuring the magnetic saturation profiles of a synchronous machine comprising a rotor and a stator, wherein the synchronous machine is activated by clocked terminal voltages according to a p...
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WO/2023/160023A1 |
The present application provides a permanent magnet synchronous motor static initial position estimation method. The permanent magnet synchronous motor static initial position estimation method comprises: sequentially injecting a rated p...
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WO/2023/156159A1 |
The invention relates to a drive system, the drive system comprising an electric motor and an inverter which feeds the electric motor, a cable electrically connecting the electric motor to the inverter, the cable comprising - first elect...
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WO/2023/157463A1 |
The present disclosure provides a system and a method for detecting a fault of an operation of a synchronous motor. The method includes collecting an electrical input and measurements associated with the operation of the synchronous moto...
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WO/2023/152819A1 |
This rotating machine control device controls a rotating machine comprising a rotor having saliency, such control by means of vector control in which a phase other than the phase of a magnetic flux vector generated by saliency is set as ...
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WO/2023/153050A1 |
In a control device (4) of an electric power steering device (1), a q-axis current command value calculating unit (31) for calculating a current command value of a motor (8) that generates an assisting torque is provided with a q-axis cu...
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WO/2023/147819A1 |
The invention relates to a method (10) for starting up an internal combustion engine (36) in a drive train (32) using a torque of a multi-pole electric motor (12) which is torque-transmittingly connected to the internal combustion engine...
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WO/2023/149927A1 |
An SR drive with an acoustic noise reduction system for reducing vibration and acoustic noise in a switched reluctance motor (SRM). The vibration and acoustic noise at specific harmonics of current excitation in SRM are in a proportional...
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WO/2023/146814A1 |
A method of operating a motor drive includes injecting a high frequency signal to determine position error information in order to automatically adjust the magnitude of stator current in I/F control. The method includes: determining a lo...
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WO/2023/142175A1 |
Provided in the present invention are a torque elevation method, apparatus and device for an electric motor, and a readable storage medium. The method comprises: acquiring a rotation speed feedback value of an electric motor, and accordi...
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WO/2023/146686A1 |
Sensorless field-oriented control (FOC) of permanent magnet synchronous motor (PMSM) using saliency based estimator is generating an error due to the sensitivity in the calculation of error in estimated angular position to q-axis current...
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WO/2023/147088A1 |
Disclosed are systems and methods for motor control using piecewise affine modelling. An electronic controller may determine current values for a motor in a rotational reference frame. Each current value may be associated with a dimensio...
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WO/2023/137810A1 |
A multi-phase motor control method, apparatus and device, and a readable storage medium. The method comprises: obtaining current operation parameters of a whole electric loader, and generating a target rotation speed of a multi-phase mot...
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WO/2023/138357A1 |
A control method, control apparatus and control system for an electric motor, and a readable storage medium. The control method for an electric motor comprises: acquiring an initial rotation speed and an initial rotation direction of an ...
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WO/2023/135374A1 |
One aspect of the invention relates to a control device (2) for starting up a synchronous electric motor (1) up to a predetermined threshold speed, comprising: a current regulator (4) that delivers a voltage setpoint (V#dq) in accordance...
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WO/2023/133773A1 |
A temperature detection method for an electric motor, a control method, a device, and a storage medium. The temperature detection method comprises: acquiring an input combination signal, which is inputted into an electric motor, the inpu...
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WO/2023/132114A1 |
The purpose of the present invention is to precisely estimate the necessary electric constant for control of a three-phase induction motor for which the electric constant is unknown. In order to achieve this purpose, the present invent...
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WO/2023/123783A1 |
Provided are multi-phase motor control method and apparatuses, and a readable storage medium. The method comprises: when a multi-phase motor has a phase loss fault, acquiring a current position of a rotor of the multi-phase motor; accord...
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WO/2023/123741A1 |
Provided is a full speed range flying start method for a high-speed permanent magnet synchronous machine, relating to the technical fields of power generation, power transformation or power distribution. It is directed to starting based ...
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WO/2023/123676A1 |
A single-resistor detection method, an electric motor control method, an electric motor controller, and an electric motor control system. The method comprises: acquiring a direct-current bus current that flows through a single sampling r...
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WO/2023/124921A1 |
Disclosed in the present invention are a torque estimation method and apparatus for a permanent magnet synchronous motor, and a device and a storage medium. The method comprises: acquiring a motor operation parameter in real time; and in...
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WO/2023/115711A1 |
Provided is a current distribution control method for a claw-pole motor. When an input instruction torque Tref is met, a reasonable distribution ratio of excitation current If of a rotor to current Iq of a stator armature winding enables...
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WO/2023/118680A1 |
The invention relates to a method for controlling a three-phase electric motor (2) that is supplied with power by an inverter (3) receiving control signals that are determined by a space vector modulation according to a pair of supply vo...
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WO/2023/115989A1 |
The present invention relates to the technical field of motor control, in particular to a motor control method, a motor, a vehicle, a storage medium and a computer; according to the motor control method, by means of introducing online ad...
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WO/2023/117402A1 |
The present invention relates to a method and a system for controlling an inverter (OND) of an electric machine (MEL), which implement a control model (MOD) that calculates the optimal current setpoints as a function of the torque setpoi...
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WO/2023/122636A1 |
A system and method for determining gains of a Proportional-Integral-Derivative (PID) controller (110) is disclosed. The method includes receiving actuator data (154, 154a) from an actuator (150) and determining a load torque (134) of th...
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