| Document |
Document Title |
|
WO/2023/027790A1 |
An example method includes: receiving a sine feedback signal and a cosine feedback signal from a resolver; generating a rectified sine signal and a rectified cosine signal; determining a direction of rotation of a shaft of an electric mo...
|
|
WO/2023/026658A1 |
A brushless control device 10 for controlling the rotation of a brushless motor 11 is provided with a rectifier circuit 20 and a switching circuit 30. In the rectifier circuit 20, regardless of which terminal between a first rectifier ci...
|
|
WO/2023/020716A1 |
A drive unit for driving a load, like a centrifugal compressor, a pump, or the like, comprising a driving shaft, is connected to the load to be driven. The drive unit comprises a plurality of electric motors connected to the driving shaf...
|
|
WO/2023/015877A1 |
Provided are a motor controller provided with a gear selection circuit and a BLDC motor, said motor controller comprising a gear selection circuit, a micro control unit (MCU), and an inverter circuit. Each gear signal M is split into two...
|
|
WO/2023/010681A1 |
A closed-loop switching method and apparatus for an electric motor, and an electronic device and a storage medium, wherein the method comprises: testing a zero-crossing signal of a back-electromotive force signal of an electric motor (S1...
|
|
WO/2023/007745A1 |
Provided is a motor control device that can use a sensor input circuit that has a low response speed. According to the present invention, a motor control device comprises a first magnetic pole position detection unit, a second magnetic p...
|
|
WO/2023/005283A1 |
Provided is a sensorless closed-loop anti-shake control algorithm. The algorithm comprises the following steps: 1, by means of a resistance calculation module, reading and driving all voltages Vk-1 and currents Ik-1 of a multi-axis anti-...
|
|
WO/2023/007898A1 |
According to the present invention, undershoot is suppressed while a computational load is restricted. This motor control device controls a motor (10), and includes: a comparing unit (20) for comparing a measured rotational speed, which ...
|
|
WO/2023/000863A1 |
Disclosed in the present invention is a current control method, comprising: a power supply, a first rectifying circuit and a second rectifying circuit connected in parallel between positive and negative electrodes of the power supply, an...
|
|
WO/2023/286497A1 |
The present invention concerns a method and and device for injecting a high frequency current vector which has a fixed angle with the measured current vector flowing in the machine. The invention: - measures the motor current vector, - d...
|
|
WO/2023/274454A1 |
The present disclosure relates to an electronic circuit arrangement (1) for determining an offset angle (2) for an electric machine comprising a stator, a rotor and a shaft connected to the rotor, the circuit arrangement having: a phase ...
|
|
WO/2023/276724A1 |
The present invention comprises an energization control unit (110) that performs energization control of an electric motor (20), and a storage unit (130) that stores a prescribed advance amount. Within the operation region of a clutch ac...
|
|
WO/2023/278369A1 |
A motor controller integrated circuit (IC) includes a storage device (120) containing software, and a processor core (110). The processor core (110) has an output adapted to be coupled to a motor (M). The processor core (110) is configur...
|
|
WO/2023/278532A1 |
A motor controller (104) is operable to control a motor (102). The motor (102) has a first terminal (144) and the motor controller (104) includes an angular velocity transmission path (115) having an input and an output. A current genera...
|
|
WO/2023/276320A1 |
One embodiment of a motor control device according to the present invention controls a three-phase motor having saliency through a sensorless 120-degree energization method, and is provided with: a drive circuit for converting a direct-c...
|
|
WO/2023/276593A1 |
A control device (10) comprises a control unit (S5) that controls a three-phase brushless motor (M). The control unit (S5) performs drive control to rotate a rotor to a target stopping position (TP) which is a target for stopping the rot...
|
|
WO/2023/276181A1 |
This power conversion device has a power converter for outputting, to a magnet motor, a signal that makes the output frequency, output voltage, and output current of the magnet motor variable and a control unit for controlling the power ...
|
|
WO/2023/273847A1 |
Disclosed in the present invention is an input voltage control method, comprising: a power supply, and a first rectifier circuit and a second rectifier circuit that are connected in parallel between positive and negative electrodes of th...
|
|
WO/2022/266724A1 |
Disclosed is an optical position encoder system for use with an electric motor that comprises at least one sinusoidal gradient having a dark to light pattern on at least one surface thereof and a control board affixed to the motor to at ...
|
|
WO/2022/267221A1 |
An electric motor controller and an outer rotor electric motor using same. The electric motor controller comprises a controller housing, a power supply circuit board and a control circuit board. The controller housing comprises a first m...
|
|
WO/2022/269378A1 |
The present invention discloses a system for controlling an inductor freewheeling voltage comprising a first switch, a second switch, a first diode, an inductor. The first switch is connected such that, in open state, it will connect a f...
|
|
WO/2022/272158A1 |
A motor controller integrated circuit (IC) includes a storage device (120) containing software (125). The IC also includes a processor core (110) coupled to the storage device (120). The processor core (110) has an output adapted to be c...
|
|
WO/2022/263039A1 |
The invention relates to a method for determining a controlling rotational angle of an electric motor for controlling the electric motor, comprising the steps of: providing incremental rotational angles, which have been determined by sen...
|
|
WO/2022/264831A1 |
This driving device has: a bootstrap capacitor having a high-side switch element that is disposed on a side having high electric potential, a low-side switch element that is disposed on a side having low electric potential, a diode that ...
|
|
WO/2022/263199A1 |
A method of updating a thermal model describing the thermal behaviour of an electric motor having a stator provided with stator windings, the method comprising: a) injecting a current into the stator windings to heat the stator windings,...
|
|
WO/2022/261907A1 |
A control method for a follow focus device, and a device and a storage medium. The control method comprises: acquiring a rotation position of a rotation part of an electric motor of a follow focus device (S101); according to the rotation...
|
|
WO/2022/265979A1 |
A safety apparatus and method for monitoring the position of a servo joint in a servo joint driving system are introduced. The safety apparatus includes modules for measuring powerline signals to determine a servo motor position and/or s...
|
|
WO/2022/258277A1 |
The invention relates to a method for determining phase currents (iu, iv, iw~) for current control of an electric machine (4) of a drive system (1) for a motor vehicle, wherein measured characteristics of the phase currents (iu, iv, iw) ...
|
|
WO/2022/257258A1 |
Provided is a predicted current increment control method suitable for high-speed zone operation of a permanent magnet synchronous motor. The method comprises: substituting a relational expression of the stator voltage in a control period...
|
|
WO/2022/259545A1 |
The electric motor speed control device of an embodiment comprises a rotor speed calculation unit, an FFT analysis processing unit, a speed compensation calculation unit, and a speed control unit. The rotor speed calculation unit calcula...
|
|
WO/2022/253552A1 |
The invention relates to a method for controlling an electric machine (20), wherein the electric machine (20) is supplied with energy via an inverter (10) and controlledby means of asynchronous control, wherein phase currents (i-x) are d...
|
|
WO/2022/252795A1 |
Provided is a method for driving an electric motor. The method comprises: obtaining real-time load information of an air conditioner, and determining that the value of the current input current from an electric motor is a first current v...
|
|
WO/2022/253883A1 |
In order to enable determination of the position of a transport unit (TE1, TE2) as accurately as possible in a transport device (1) having at least one transport segment (TS) along which at least one transport unit (TE1, TE2) is moved at...
|
|
WO/2022/251344A1 |
A medical device system (10) configured to dynamically switch motor control protocols while a motor (12) within a handheld device is operating to increase efficiency of the motor operation and to provide improved reliability and performa...
|
|
WO/2022/247040A1 |
The present application relates to an intelligent synchronous rectification system of an electronic speed controller, and a control method for the intelligent synchronous rectification system. The system comprises: a Hall sensor, which i...
|
|
WO/2022/248383A1 |
Electric drive unit having a brushless DC motor and having a switching bridge for the sensor-controlled commutation of the DC motor by means of at least one Hall sensor included in the DC motor, wherein the Hall sensor is connected to th...
|
|
WO/2022/242299A1 |
Disclosed in the embodiments of the present application are a method and apparatus for adjusting a driving waveform, and a device and a readable storage medium. The method comprises: in response to an interruption event, acquiring a vibr...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
