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WO/2022/242218A1 |
Provided in the embodiments of the present application are a method and apparatus for adjusting a driving waveform, and a device and a storage medium. The method for adjusting a driving waveform comprises: acquiring a vibration descripti...
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WO/2022/245452A1 |
A motor drive receives a position feedback signal from an encoder operatively connected to the motor. The motor drive executes a speed regulator module on a first periodic interval to achieve desired operation of the motor, and the motor...
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WO/2022/242217A1 |
Embodiments of the present application provide a linear motor control method and apparatus, a device, and a readable storage medium. The linear motor control method comprises: in response to an operation instruction, determining a vibrat...
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WO/2022/244204A1 |
This rotating machine control device (20) comprises: a current detector (12) that detects the AC current flowing through a rotating machine and outputs a current detection value; a power converter (11) that supplies power to the rotating...
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WO/2022/242708A1 |
Provided are a motor starting method and a readable storage medium. A three-phase starting method comprising a rotor pre-positioning phase, an external synchronous open-loop acceleration phase, and an operation state switching phase is u...
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WO/2022/245548A1 |
A coil winding (45) for an electric motor (25), and systems, components, assemblies, and methods thereof, can comprise turns of a predetermined number of electrically conductive wires (46) on a first side (48) of the coil winding (45) tw...
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WO/2022/242216A1 |
A vibration waveform processing method, apparatus and device and a readable storage medium. The vibration waveform processing method comprises: acquiring a vibration description file (S501); identifying a waveform type described in the v...
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WO/2022/237307A1 |
Provided are a power tool (10) and a control method, the power tool (10) comprising: a housing (11); a motor (13); a drive circuit (24); a control module (25); and a current detection module (27); the control module (25) is configured fo...
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WO/2022/237923A1 |
A brushless DC electric motor for supplying multiphase supply voltage is composed of at least one rotor (2) fitted with permanent magnets (7). Number of rotors (2) ideally corresponds to the number of phases of the supply voltage. The ro...
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WO/2022/240986A1 |
A system is provided that includes multiple motors, each respective motor comprising three phases; a voltage source inverter circuit comprising multiple respective inverter legs; each respective inverter leg coupled to drive at least one...
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WO/2022/239307A1 |
A power conversion device according to the present invention comprises a power converter that outputs, to a motor, a signal that makes the output frequency, output voltage, and output current of the motor variable, and a control unit tha...
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WO/2022/239804A1 |
A control device (30) in which a phase detection unit (32) detects a phase shift amount of a driven-side rotating member relative to a drive-side rotating member (23), which constitute a drive transmission unit (22) and are magnetically ...
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WO/2022/234634A1 |
Provided is an electric actuator that determines whether the detected position of a rotor is in the range of 0-180 degrees or in the range of 180-360 degrees in terms of electrical angle. In a state in which rotation of the rotor is li...
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WO/2022/233384A1 |
A method for identifying the magnetic anisotropy of an electric three-phase machine, comprising a rotor and a stator, wherein the three-phase machine is actuated by way of clocked terminal voltages in accordance with the method of pulse-...
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WO/2022/228624A1 |
The invention relates to a method for starting a rotor of a single-phase claw pole motor, said claw pole motor comprising a permanent-magnet rotor which performs a movement in a running direction during operation at nominal value, furthe...
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WO/2022/226579A1 |
A method of electronic commutation of a sensorless brushless DC motor, the motor having a plurality of driving power transistors, the method including the steps of: (a) measuring the open phase voltages across at least one of the driving...
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WO/2022/228623A1 |
The invention relates to a method for starting a rotor of a single-phase claw pole motor, said claw pole motor comprising a permanent-magnet rotor which has a plurality of locking positions and performs a movement in a running direction ...
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WO/2022/224559A1 |
A motor control device according to the present invention includes an inverter that supplies an alternating current to a motor installed in a vehicle, a current detecting unit that detects the alternating current, a position detecting un...
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WO/2022/224370A1 |
This motor control device (100) comprises: a speed detector (5) that detects the speed of a motor (2); a speed controller (4) that generates a torque command on the basis of the speed of the motor and a speed command; a correction calcul...
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WO/2022/217811A1 |
Disclosed in the present utility model is a direct-current brushless motor controller having a lightning protection and surge protection circuit, comprising a rectifier module, an inverter circuit, an energy storage capacitor C1, a direc...
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WO/2022/218242A1 |
An electric motor torque control method, comprising: determining, according to a required torque (T9) and an actual torque (T10) of an electric motor, that the electric motor needs to be subjected to torque zero-crossing control; control...
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WO/2022/219795A1 |
A rotary machine control device comprising: a first inverter that, on the basis of a first DC voltage, applies an AC voltage to a 3-phase winding in a first system in a rotary machine; a second inverter that applies an AC voltage to a 3-...
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WO/2022/213674A1 |
The present application provides a dual-motor control system and method. The dual-motor control system comprises: a first fault signal detection circuit, configured to receive first fault detection information fed back by a first driving...
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WO/2022/215872A1 |
The present invention relates to a motor driving control system and a control method thereof. The purpose of the present invention is to provide: a motor driving control system which can change current limiting logic, which is applied to...
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WO/2022/206074A1 |
The present application discloses a motor torque zero-crossing parameter processing method and system, and a vehicle. The motor torque zero-crossing parameter processing method comprises: determining that a torque zero-crossing process n...
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WO/2022/208913A1 |
One embodiment of a position detection device according to this invention comprises three magnetic sensors and a signal processing unit for processing a three-phase signal output from the three magnetic sensors. The signal processing uni...
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WO/2022/206011A1 |
The present invention relates to a circuit structure for implementing lead/lag commutation of an electric motor. The circuit structure comprises: a Hall angle mapping module for receiving three Hall signals generated by a Hall module of ...
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WO/2022/208912A1 |
This motor control device controls a motor. The motor comprises a rotor, a stator, and a Hall sensor. The stator has multi-phase windings. The Hall sensor detects the rotation position of the rotor. The motor control device comprises an ...
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WO/2022/206088A1 |
The present invention relates to a circuit structure for compensating for a Hall deviation of a brushless direct current motor. The circuit structure comprises: a CPU, into which a register value is written; an angle controller, which co...
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WO/2022/207499A2 |
The present invention relates to a method for providing a commutation interval for a three-phase electric motor (10). The method comprises providing an initial commutation interval for operation of the three-phase electric motor (10), th...
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WO/2022/206027A1 |
A motor control method and apparatus and a terminal device. The motor control method comprises: determining a first current component of a first motor current under a two-phase stationary coordinate system α-β, and determining an elect...
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WO/2022/212544A1 |
Systems, methods, and computer-readable media are disclosed for closed-loop control of a motor in a LIDAR system over a wireless power interface using data feedback over a unidirectional data communications interface. An example method m...
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WO/2022/202817A1 |
A synchronous motor control device (100) for controlling driving of a synchronous motor through sensorless control comprises: a DC excitation instruction generation unit (41) that generates an instruction for supplying, to the synchronou...
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WO/2022/198279A1 |
The invention relates to a rotary blood pump including a housing having an internal chamber, a blood inlet port and a blood outlet port, a rotor including a plurality of blades and being adapted to rotate within the chamber. The pump inc...
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WO/2022/202806A1 |
Provided is a control device (100) for a synchronous motor, the control device comprising: a DC excitation command generation unit (55) which generates a command for sending a DC current with a fixed current phase to a synchronous motor,...
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WO/2022/201631A1 |
A motor control device is provided with: a control unit for causing a current to flow under PWM control between two of three terminals of a three-phase motor; a first signal information acquisition unit for acquiring first signal informa...
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WO/2022/201344A1 |
Provided is a magnetic gap length estimating device that does not require an electric current sensor and an electric current load with which the need to measure a voltage at a neutral point of a connection is obviated. This magnetic ga...
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WO/2022/195348A1 |
A brushless DC motor may include an annular rotor including a plurality of annular sectors. Each exemplary annular sector includes a respective array of permanent magnets embedded in and equally spaced circumferentially around each respe...
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WO/2022/193208A1 |
The present invention relates to an electric tool and a system and method for protecting an electric tool to prevent misuse of same. The system comprises: at least one sensor, which detects at least one operating state of an electric too...
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WO/2022/195921A1 |
This device for driving a synchronous electric motor comprises a current detection unit that detects a phase current flowing into the synchronous electric motor, and a magnetic pole position estimation unit that estimates a magnetic pole...
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WO/2022/189310A1 |
Linear electric motor (1) comprising a stator (3) comprising a plurality of stator segments (3a, 3b, …3n) and a drive system comprising at least one pair of drive units (4), a first drive unit (4a) of said pair connected to a first sta...
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WO/2022/191607A1 |
In an electronic device comprising at least one servo motor, the servo motor comprises: a communication circuit; a driving circuit; a motor; a sensor; and a control circuit, wherein the control circuit may: control the at least one servo...
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WO/2022/185343A1 |
The embodiments herein provide a multitude of single-phase Switch Reluctance Motor (SRM) arranged in a suitable fashion in order to achieve uniform torque with complete material utilization. The embodiment herein also provides a series o...
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WO/2022/185381A1 |
Provided is a rotating machine control device capable of reducing the effective value of a bus AC component by taking advantage of flexibility that two sets of armature windings and two sets of inverters are provided, without the necessi...
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WO/2022/185547A1 |
The purpose of the present invention is to solve the problem in which a motor no longer follows a control signal during high-speed rotation if high-precision positioning accuracy is achieved in a low-speed rotation range. A rotary enco...
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WO/2022/180368A1 |
A method is described for controlling a three-phase permanent-magnet motor. The method comprises sequentially exciting and freewheeling phases of the motor. The phases are freewheeled when a magnitude of phase current rises to an upper t...
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WO/2022/180366A1 |
A method is described for determining an initial position of a rotor of a brushless motor. The method comprises determining a rise time difference for each of three different pairs of voltage vectors, and determining the initial position...
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WO/2022/180367A1 |
A method of controlling a brushless permanent magnet motor having a plurality of phase windings and an inverter for applying voltage vectors to the plurality of the phase windings, the method including monitoring phase current flowing th...
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WO/2022/180365A1 |
A brushless permanent magnet motor has a phase winding, an inverter for applying voltage vectors to the phase winding, and a controller for controlling the inverter. The inverter has a plurality of high side switches and a plurality of l...
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WO/2022/180286A1 |
The mechanism enables torque protection in a brushless motor without the need to use measurement of the current drawn, establishing the torque level based on measurement of the brushless motor rotation speed. The rotation speed correspon...
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