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WO/2023/246957A3 |
Disclosed are a zero-position learning method and apparatus for an electric motor. The method comprises: sending a zero-position learning instruction to an electric motor to be calibrated, so as to start electric motor zero-position lear...
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WO/2024/069745A1 |
An inverter control device (100) comprises: a control signal generating unit (11) that outputs a control signal generated on the basis of a voltage command; and a current detection value correcting unit (14) that multiplies a detection v...
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WO/2024/070731A1 |
Disclosed is a motor control device that is capable of estimating and compensating for a gain error of an electric current sensor in a stable and accurate manner, without being equipped with a special operating sequence. This motor contr...
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WO/2024/066736A1 |
A controller of an electric motor control module, a control method for an electric motor, and a related device. A communication end of the controller (1011, 3011, 4011) is connected to an assisted driving controller (203, 302, 402) or an...
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WO/2024/068958A1 |
The invention relates to a method for monitoring an electric machine, wherein the monitoring is carried out for recurring operating states of the dynamoelectric machine, wherein real data in relation to control of the dynamoelectric mach...
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WO/2024/060785A1 |
Disclosed in the embodiments of the present application are a motor controller, a powertrain and an electric vehicle. The motor controller comprises an inverter circuit, the inverter circuit comprising three bridge arms. Each bridge arm ...
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WO/2024/056369A1 |
The invention relates to a method for evaluating a ventilator oscillation (OV) and a plant oscillation (OA) on a flow system (10) having a ventilator (11) and a control plant (12) connected to the ventilator (11). The plant oscillation (...
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WO/2024/054331A1 |
A bearingless rotating electric machine provides a rotor-stator architecture that decouples motor torque fields from motor suspension fields greatly simplifying field weakening such as affects torque fields, without detrimental effect on...
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WO/2024/050083A1 |
A heating ventilation and air-conditioning system is disclosed and includes: at least one analog-to-digital converter configured to sample a voltage signal on or across one or more power lines to provide samples, the one or more power li...
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WO/2024/047843A1 |
According to one embodiment of the present invention, an inverter apparatus (100) comprises: a power converter (101) for an armature winding; a power converter (102) for a field winding; a velocity control unit (110) which controls three...
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WO/2024/046498A1 |
Disclosed in the present invention are an electric tool and a control method. The electric tool comprises a driving unit and a control unit, wherein the control unit is connected to a mode selection apparatus, a parameter measurement uni...
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WO/2024/048819A1 |
A controller based on a variable structure comprises: a switching function calculation unit for receiving a position reference received from the outside of a motor and a plant to be controlled and a position feedback from the motor and p...
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WO/2024/044660A1 |
A power tool that includes a housing, a brushless motor, a power switching circuit, an impact mechanism, and an electronic controller. The brushless motor is within the housing and includes a rotor and a stator. The rotor is coupled to a...
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WO/2024/036651A1 |
A friction force compensation method and compensation apparatus for a linear guide rail displacement system. The method comprises: establishing a friction force-speed model, collecting moving speeds and driving force of a movable platfor...
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WO/2024/032380A1 |
A motor position signal fault determination method, a device, a system, and a vehicle. The motor position signal fault determination method provided by embodiments of the present disclosure comprises: acquiring an electric signal output ...
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WO/2024/033172A1 |
The invention relates to a method for operating an electric machine (4) of a rotary drive, comprising a gear set (2) which has backlash, wherein the electric machine (4) is controlled according to a target value (n_EMsoll) of a control v...
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WO/2024/024265A1 |
A motor control device according to the present invention comprises a torque ripple compensation value computation unit that uses an electrical angular velocity and a torque command value for a motor to calculate a torque ripple compensa...
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WO/2024/022665A1 |
Proposed is a machine system (1) comprising an electric machine (2) and a plurality of half-bridges (3) for controlling the electric machine (2), the electric machine (2) having a stator winding (4) that comprises two winding sections (4...
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WO/2024/021310A1 |
Disclosed in the present invention are a displacement reduction method and device for a motor vibrator, a terminal apparatus, and a computer-readable storage medium. The method comprises: by means of a terminal apparatus provided with a ...
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WO/2024/019868A1 |
An electric machine controller arranged to direct a power converter to cause a pulsed operation of an electric machine in selected operational ranges to deliver a desired output and to cause a continuous operation of the electric machine...
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WO/2024/019121A1 |
[Problem] To provide a motor driving system of which loss is reduced further than a case where a sinusoidal wave, which is a fundamental wave, is adopted as a signal wave. [Solution] This motor driving system 1 comprises: a 3-phase inver...
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WO/2024/019865A1 |
A control system for an electric machine, wherein the electric machine has a maximum bus value (Vbus) is provided. The control system is configured to determine a feedforward vector (VFF), determine a feedback vector (VFB), compare a mag...
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WO/2024/005287A1 |
The present invention relates to an orientation adjustment apparatus and method, which are an orientation adjustment apparatus and method for adjusting the orientation of an object through feedback control. An orientation adjustment appa...
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WO/2024/000713A1 |
Provided in the present invention is a linear drive device, comprising a stator; a plurality of movers which are all slidably arranged on the stator; a drive assembly, the drive assembly being used for driving the plurality of movers to ...
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WO/2023/246957A2 |
The embodiments of the present invention relate to the technical field of electric motor testing. Disclosed are a zero-position learning method for an electric motor. The method comprises: sending a zero-position learning instruction to ...
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WO/2023/249698A1 |
A hair clipper 10 has a fixed blade 12, a reciprocating blade 14 and a vibratory motor 16. The vibratory motor 16 has a reciprocating armature 18 operatively connected to the reciprocating blade 14, an electromagnet 20 and a spring 22. T...
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WO/2023/245769A1 |
The present invention relates to the technical field of position calibration, and in particular to a position sensor calibration method and apparatus applied to an electric motor. The method comprises: acquiring absolute position informa...
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WO/2023/243751A1 |
The present disclosure relates to a motor driving device, and a vehicle having same. A motor driving device according to an embodiment of the present disclosure comprises: an inverter having a plurality of inverter switching elements; a ...
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WO/2023/240917A1 |
The present disclosure relates to a method and apparatus for determining a position angle of a motor, and an electronic device and a vehicle. The method comprises: obtaining a resolver angle signal sampled by a motor in a current period,...
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WO/2023/241442A1 |
The present application discloses a heterogeneous motor control device and method. The device comprises: a first FPGA control system, a second MCU control system, and a motor driving unit. The first FPGA control system comprises a main c...
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WO/2023/243389A1 |
This motor drive control device measures the performance affecting parameters of a motor while taking the currents of two-phase coils, although having a simple circuit configuration. A control circuit unit (4) of a motor drive control ...
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WO/2023/238301A1 |
This power conversion device (1) comprises an inverter (310) having switching elements (311a-311f), wherein power is supplied to a motor (58) that drives a load by means of the inverter (310), and power with which the motor (58) is not r...
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WO/2023/233682A1 |
Provided is an alternating current rotating electrical machine control device capable of suppressing a low frequency component, such as current, that occurs in a particular number of carrier signals. This alternating current rotating ele...
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WO/2023/223412A1 |
A current control device (10) for a permanent magnet synchronous motor (20) outputs current to the permanent magnet synchronous motor, and comprises a plurality of current controllers (10_1, ... ,10_m) that are respectively provided for ...
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WO/2023/217698A1 |
The invention relates to an electric motor unit (1), in particular a permanent magnet synchronous machine, comprising a rotor (10) and a stator (20), a control unit (30), a plurality of coil units (22), a plurality of switch units (24) a...
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WO/2023/217599A1 |
A method for monitoring of an electrical machine (1) during its operation, the method comprising: - detecting in a detector (3) a stray magnetic field of the electrical machine (1), - based on the detected stray magnetic field and on an ...
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WO/2023/209754A1 |
Provided is a servo adjustment apparatus that is capable of performing automatic servo adjustment with high accuracy and in a short time, without the need for an additional device. A servo adjustment system 1 that adjusts control paramet...
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WO/2023/205514A1 |
Embodiments of the disclosure provide an electric drive motor system that includes a stationary-side, a rotating-side, and a stationary-side sensor system operable to detect current on the stationary-side and send current-based sensor re...
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WO/2023/198238A1 |
The invention relates to a servo controller for a servo motor, to a servo drive with a servo motor and such a servo controller, to an assembly comprising servo motors and such a servo controller, and to a method for operating a servo motor.
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WO/2023/195276A1 |
In order to perform regenerative braking in a manner that complies more with the intent of an occupant, the motor control device according to an embodiment comprises: an inverter that causes a motor of an electrically assisted vehicle to...
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WO/2023/189349A1 |
A processing device (400) sets the amplitude (I5) of a fifth harmonic so that an amplitude ratio (A5) exceeds 20% and becomes less than or equal to 80%. The processing device (400) also sets a phase difference (φ5) so that the phase of ...
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WO/2023/189241A1 |
The present invention acquires information relating to control of a three-phase alternating current motor by a simpler technique. This control device is a control device that controls a three-phase alternating current motor having an enc...
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WO/2023/178403A1 |
The present invention provides a method for continuous adjustment of the power factor in an induction motor driven by a frequency inverter with escalar or vetorial control, by the use of a system for advanced saving energy, comprising a ...
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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/2023/181418A1 |
In the present invention, a plurality of frequency characteristics for when a control parameter has been regulated by a plurality of regulation conditions is determined by a measurement of one instance of a frequency characteristic. Th...
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WO/2023/174500A1 |
A method of estimating induction motor rotational speed comprising measuring motor operational parameters, the parameters comprising input power, a supply frequency at a first state and a supply frequency at a second state; wherein the f...
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WO/2023/175789A1 |
A motor control device (11) comprises: a command value calculation unit (31) that calculates a command value (I*) for controlling a motor (12); and a disturbance observer unit (33) that estimates, on the basis of the command value (I*) a...
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WO/2023/169154A1 |
A motor control method and a motor control apparatus, a motor controller, and a storage medium. The method comprises: during a process of controlling a motor to run at a constant power, acquiring a feedback rotation speed of the motor (S...
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WO/2023/169643A1 |
A method of estimating induction motor torque, comprising a calculation of the ratio of output power (P01) to motor rotational speed (N1) is disclosed. The calculation comprises determining, using motor name plate information (NPI), rate...
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WO/2023/151881A1 |
A method for controlling an electrical converter (12) for driving an electrical machine (18) comprises the steps of: estimating a stator flux vector (ΨS) depending on at least one measurement in the electrical converter (12); determinin...
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