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WO/2022/110277A1 |
A model predictive decomposition control method and apparatus for an open-winding five-phase permanent magnet synchronous motor. The method comprises: obtaining a voltage component under a stationary coordinate system in the orientation ...
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WO/2022/113318A1 |
The present invention provides a control device, for a rotating electric machine, and an electric power steering device that, regardless of increases/decreases in rotational angular velocity, can appropriately carry out weak magnetic flu...
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WO/2022/113317A1 |
Provided are a control device of a rotating electric machine and an electromotive power steering device, the control device being able to set a control gain for controlling a d-axis current command value in consideration of the responsiv...
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WO/2022/113788A1 |
This AC motor control device controls an inverter for supplying AC current to an AC motor which is a three-phase permanent magnet synchronous motor. This AC motor control device includes: a pulse width modulation signal generation means ...
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WO/2022/110107A1 |
An angle acquisition method and apparatus, for use in a motor control system (100). The motor control system (100) comprises a motor (103) and an angle sensor (104). The motor (103) comprises a first winding (101), a second winding (102)...
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WO/2022/110555A1 |
The present invention provides a method and apparatus for suppressing torque ripple of a permanent magnet synchronous motor. The method comprises: respectively performing proportional integral on a first quadrature-axis component and a f...
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WO/2022/111832A1 |
The present invention relates to an apparatus (20) for controlling a permanent magnet synchronous machine (30) having a rotor and a stator comprising: - a sensor interface (22) for receiving sensor data from a current sensor (40) for det...
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WO/2022/107135A1 |
A method for controlling a synchronous motor that has a stator and a rotor, comprising: correcting the frequency, phase, and values of the motor's feeding voltages, as well as the value of its magnetic flux as a function of the angle bet...
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WO/2022/101020A1 |
The invention relates to an electric tool (1), in particular a hand-held electric tool, e.g. a polisher (1A), a grinder and/or a saw (1B), comprising a tool (2), an electric motor (3) for driving the tool (2), and a control unit (4) for ...
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WO/2022/101019A1 |
The invention relates to an electric tool (1), in particular a hand-held electric tool, e.g. a polisher (1A), a grinder and/or a saw (1B), comprising a tool (2), an electric motor (3) for driving the tool (2), and a control unit (4) for ...
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WO/2022/099861A1 |
A permanent magnet synchronous motor parameter measurement method, where maximum torque per ampere and vector control are performed on a permanent magnet synchronous motor, causing the permanent magnet synchronous motor to stably and nor...
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WO/2022/100371A1 |
Provided in the present invention is a permanent magnet synchronous motor sensorless compound control method for a novel dual sliding mode observer. The present invention designs two sliding mode observers, one of which provides a novel ...
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WO/2022/099637A1 |
Phase shift compensation and phase current reconstruction methods, a chip, an electronic device, and a storage medium, relating to the technical field of phase current sampling. The phase shift compensation method comprises: obtaining Ta...
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WO/2022/100932A1 |
The invention relates to an apparatus for determining a temperature of a rotor of an electric machine. The apparatus comprises an interface and a computing device. Input variables which are dependent on the operation of the electric mach...
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WO/2022/094894A1 |
Provided is a method for testing an electric motor, comprising: according to a preset control logic, controlling a switching state of first and second power tubes driven by three half-bridges (S110); obtaining the bus current outputted f...
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WO/2022/087897A1 |
An electric motor control method, an electric motor control apparatus, and a movable platform. The method comprises: an MCU (10) respectively outputting a plurality of pulse width modulation (PWM) signals for N electric motors (11); the ...
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WO/2022/087951A1 |
An automatic load compensation method, apparatus and device for an asynchronous electric motor, and a medium. The method comprises: acquiring a space vector angle of a rotor flux linkage or of a rotor back electromotive force voltage of ...
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WO/2022/087799A1 |
A permanent magnet synchronous motor speed control method considering current saturation and interference suppression, aiming at effectively ensuring that a motor current is always within a given range, avoiding the problem of control pe...
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WO/2022/093555A1 |
A system and method for controlling a six-phase machine include generating a plurality of control vectors for the six-phase machine. The six-phase machine is configured as a combination of a first three-phase machine and a second three-p...
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WO/2022/094278A1 |
A motor control system for controlling a motor having multiple coils, includes a motor control circuit for providing PWM signals. A motor drive circuit coupled to receive the control signals configured for providing current drive signals...
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WO/2022/088440A1 |
The present invention relates to the field of power electronics and motor control. Disclosed is a model predictive current control method for a two-motor torque synchronization system. The invention takes an indirect matrix converter and...
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WO/2022/088391A1 |
A short-circuit fault-tolerant control method for a sinusoidal or trapezoidal counter-potential five-phase permanent magnet motor using deadbeat current tracking. The method fully utilizes the third harmonic space of the five-phase perma...
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WO/2022/091512A1 |
The present invention comprises a first position/rotation detector 14, a second position/rotation detector 14 that has a greater sensitivity to rotation of a motor 1 but a slower detection cycle than the first position/rotation detector ...
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WO/2022/083384A1 |
The present application discloses an electric tool, comprising: a motor, comprising a stator winding and a rotor rotating around a stator; a speed regulating mechanism, at least used for setting a target rotating speed of the motor; a dr...
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WO/2022/085866A1 |
Provided, according to one embodiment, is a method for determining a current of an electric motor or a generator, the method comprising the steps of: acquiring characteristics of a filter for filtering noise occurring in a process for de...
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WO/2022/086900A1 |
Power tool devices (100) described herein include a housing (105), a power source interface (205), a field effect transistor (305, 310) within the housing (105) connected between the power source interface (205) and a load (290) of the p...
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WO/2022/085351A1 |
This motor control device controls the driving of an AC motor that is connected to a power converter for converting power from DC power to AC power, and that is driven using the AC power. The motor control device comprises: a carrier wav...
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WO/2022/083908A1 |
The invention relates to a drive system (16), in particular for moving a robot axis (4, 5), comprising: - a dynamoelectric rotary machine (14), in particular a servomotor, comprising: - a stator (8), the stator (8) comprising a fractiona...
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WO/2022/080241A1 |
The present invention concerns a method and a device for controlling a three-phase motor using a field oriented control system. The invention: - estimates, in a dq plane incremental inductances (I) and (II) of the motor, - determines an ...
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WO/2022/078778A1 |
The present invention relates to a method for controlling an electrical machine (MEL), in which an operating area (ZON) of the electrical machine is determined and current setpoints (id, iq) of the electrical machine are determined using...
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WO/2022/079796A1 |
This failure diagnosis device (1000) comprises: a control unit (100) for controlling the drive of an electric motor (53); an abrasion estimation unit (200) for estimating an abrasion amount of the bearing of the electric motor (53) on th...
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WO/2022/074360A1 |
A method of controlling a brushless permanent-magnet motor having a phase winding and a rotor, includes applying voltages of first and second opposing polarities to the phase winding when the rotor is oscillating about a parking position...
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WO/2022/075022A1 |
This motor control device (50) performs the drive control of a permanent magnet motor (20) by an inverter (30) and comprises: a demagnetization determination unit (73) for determining whether or not irreversible demagnetization occurs in...
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WO/2022/068546A1 |
Provided in the present application are a method and device for controlling a drainage pump, an apparatus and a storage medium. The method comprises: acquiring electric motor operating parameters of an electric motor of a drainage pump d...
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WO/2022/071390A1 |
An electric motor control device 10 comprises: a command value derivation unit 20 which executes vector variable control for causing a vector of at least one command value of a current command value and a voltage command value to vary in...
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WO/2022/069114A1 |
The invention relates to a method for determining parameters for controlling an electric drive (1), the electric drive (1) having at least one electric machine (2). According to the invention, to improve the start-up of the electric driv...
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WO/2022/064750A1 |
Provided are an electric motor control device and an electric motor control method capable of noise reduction control (or sensorless control) by the superimposition of a high frequency voltage, wherein the electric motor control device a...
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WO/2022/066750A1 |
A gearbox is coupled to a shaft of a motor. The gearbox is configured to be rotated by the motor. An encoder is coupled to the shaft of the motor. The encoder is configured to detect a shaft position. The encoder is configured to produce...
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WO/2022/057010A1 |
A method for suppressing a thrust ripple of a linear motor, a related device, and a medium. The method comprises: obtaining a mapping relationship I0X between a current and position data corresponding to a thrust ripple of a linear motor...
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WO/2022/056976A1 |
A method for restraining a thrust ripple of a linear motor, a related device, and a medium. The method comprises: acquiring mapping relationships IaX and IbX between position data and two groups of currents of a linear motor (101); acqui...
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WO/2022/056977A1 |
A method for suppressing the thrust fluctuation of a linear motor, and a related device and a medium. The method comprises: acquiring a mapping relationship between a positioning detection current corresponding to a positioning force of ...
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WO/2022/058005A1 |
The invention relates to an arrangement for supplying a load, for example an alternating current motor (M), from a direct current source (Ubat) with alternating current • with one direct current input, with two terminals, • with one ...
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WO/2022/056981A1 |
A method for suppressing a thrust ripple of a linear motor, and a related device and a medium. Said method comprises: acquiring a mapping relationship NI between thrust and current of the linear motor; and acquiring a mapping relationshi...
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WO/2022/053127A1 |
There is provided a drive circuit (300) for a permanent magnet motor (311). The drive circuit (300) has a rectifier circuit (307) constructed and arranged to convert a source alternating current (305) to a direct current, and a film capa...
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WO/2022/054357A1 |
The present invention achieves highly accurate control characteristics by estimating an induced voltage coefficient of a magnet motor without rotary auto-tuning. A first power Pc is calculated on the basis of the output voltage and out...
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WO/2022/050277A1 |
A rotary electrical machine control system (10) comprises: a basic current instruction setting unit (1) that sets a basic current instruction (Idq*) on the basis of a target torque (T*) of a rotary electrical machine; a correction curren...
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WO/2022/049957A1 |
Provided is a motor control device with which, by employing a neural network structure, an output signal providing optimal efficiency can be derived directly, through training, and with which efficiency can be improved in real-time. A mo...
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WO/2022/049892A1 |
A higher-level control unit 1 generates a command current i* on the basis of a command value. A model prediction control unit 2 sets a plurality of assumed voltage vectors for each switching cycle of an output voltage. The switching cycl...
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WO/2022/050406A1 |
Dynamo-electric machine control devices (1 to 3) comprise: pre-adjustment d-axis current command calculation units (43, 53); d-axis current command calculation units (45, 155, 255); and feedback control units (47, 48, 59, 60). The pre-ad...
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WO/2022/049026A1 |
In order to control the movement of a transport unit of a linear motor, a quality function J(SG) with quality terms JTk(SG) is used as a function of manipulated variables (SG) of the active drive coils (4), and the quality function J(SG)...
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