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WO/2023/222152A1 |
The invention relates to a method for operating an electric machine (1), comprising a stator (2) and a rotor (3), which is rotatable relative to said stator with variation of a rotation position at a rotor rotational speed n, wherein the...
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WO/2023/223631A1 |
This motor control device comprises temperature detection elements (45a, 46a) that are mounted on a circuit substrate (70) on which a first power conversion circuit (42a) and a second power conversion circuit (42B) are mounted, and that ...
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WO/2023/223773A1 |
This motor control device is connected to an inverter for converting DC power to AC power to output the AC power to a motor and controls the operation of the inverter in accordance with a torque command, thereby controlling the drive of ...
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WO/2023/223630A1 |
This motor control device comprises: an abnormality determination unit (51) which determines whether a temperature detection circuit is abnormal; a first temperature estimation unit (52) which, when the temperature detection circuit has ...
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WO/2023/221763A1 |
The present application discloses a method and apparatus for controlling output torque of a motor, and an electronic device. The control method comprises: obtaining a dq-axis voltage control value of a motor; determining a resolver angle...
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WO/2023/221740A1 |
Provided in the present invention are an efficiency optimization control method and system for a permanent magnet synchronous motor. The method comprises the following steps: step 1, solving an approximate optimal d-axis current of a per...
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WO/2023/218676A1 |
A control device (100) for a rotating electric machine(1) comprises: a reference current command generation unit (110) that generates d-axis and q-axis reference current command values on the basis of a torque command value and a rotatio...
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WO/2023/218843A1 |
A control device (30) is applied to a system comprising a rotary electric machine (40) that has: a stator (50) including a stator winding (52); and a rotor (60) including a field winding (70). In order to control the torque of the rotary...
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WO/2023/213171A1 |
A permanent magnet motor detection method and device, a readable storage medium, a permanent magnet motor, a compressor, and heating and ventilation equipment. The detection method comprises: under the condition that a permanent magnet m...
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WO/2023/208272A1 |
The invention relates to a method for determining an initial rotor position of a rotor (1) of an electric machine (2), in particular a synchronous electric machine.
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WO/2023/210142A1 |
According to the present invention, a synchronous machine control device that performs drive control of a synchronous machine comprises a current command computation unit that computes the difference between a current command value for t...
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WO/2023/209803A1 |
Provided is a device for controlling an AC rotary machine which makes it possible to determine demagnetization of a rotor magnet without using the impedance characteristics of the AC rotary machine. The control device (30) for an AC rota...
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WO/2023/209791A1 |
This rotating machine control device (1) comprises a switching command generation unit (2) for causing an electric power converter (3) to convert a DC voltage to an AC voltage and apply said voltage to a rotating machine (5), and command...
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WO/2023/208271A1 |
The invention relates to a controller (1) for controlling and/or regulating the supply of energy to an electric machine (2) comprising a rotor (3). The controller (1) has a first processor (4) and a second processor (5), wherein the firs...
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WO/2023/203027A1 |
Device (2) for operating an electromotive axle drive unit (4), having an inverter (6) for supplying high-voltage power to an electric motor (8) of the electromotive axle drive unit (4), wherein the inverter (6) has a first pole (10) and ...
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WO/2023/201894A1 |
Provided are a motor control method and an electric vehicle. The motor control method comprises: obtaining a motor phase line estimated current according to a bus current, a bus voltage and a motor line voltage; obtaining a motor three-p...
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WO/2023/201513A1 |
The present invention relates to a calibration method and calibration apparatus for an angle sensor. The angle sensor is used for detecting the mechanical angle of a permanent magnet synchronous motor and converting the mechanical angle ...
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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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