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WO/2024/060963A1 |
An electric tool, comprising: an electric motor assembly (20), which is at least partially arranged in a housing (11). The electric motor assembly (20) comprises a first electric motor (21), a second electric motor (22) and a connector (...
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WO/2024/060591A1 |
Disclosed is a method for controlling a semi-centralized open-winding multi-motor drive system in the field of motor control. The control method is as follows: firstly, a hardware circuit measures the current and direct-current bus volta...
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WO/2024/036978A1 |
The present invention relates to the technical field of electric motor control. Provided are an electric motor control method and system, and a multi-electric-motor synchronously driven device. The method comprises: acquiring feedback to...
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WO/2024/027557A1 |
The present invention provides a multi-motor control module and a motor driving system. The multi-motor control module comprises: at least two motor engine control units used for providing control signals for respective corresponding mot...
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WO/2024/010546A2 |
The invention relates to motor groups comprising electric motors for use in electric marine vessels and the propulsion system that propels and manages them. Each electric motor with an axial flux or a radial flux has a propeller on the o...
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WO/2024/009634A1 |
The present invention prevents reliability from deteriorating due to heat during the operation of a dynamic brake. A motor drive device (1) comprises a first control unit (11), a second control unit (12), and a dynamic brake (14). The fi...
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WO/2024/001011A1 |
The present invention relates to the technical field of electric motor control. Provided are a driving electric motor control method and apparatus, and a storage device and a vehicle. The driving electric motor control method comprises: ...
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WO/2024/004442A1 |
An EPU (50) has a first DS (100) and a second DS (110). The first DS (100) has a first motor (61) and a first inverter control unit (81). The second DS (110) has a second motor (71) and a second inverter control unit (91). The first moto...
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WO/2023/238329A1 |
This motor control device comprises: a first motor (2) and a second motor (3) mounted on a frame (1); a second controller (13) that determines a second deviation suppression signal, which is for driving the second motor (3), such that a ...
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WO/2023/233045A1 |
The present invention relates to a device intended to be connected to a rotary electric machine comprising a rotor and a stator with one or more phases (1), by means of which device the machine provides maximum torque at all times. The d...
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WO/2023/227390A1 |
Method for operating a motor-roller controller wherein an first value indicative of an amperage at an input power port of a first motor-roller controller is measured by a meter of the first motor-roller controller, the first value is sen...
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WO/2023/218909A1 |
An electric aircraft (1) comprises a plurality of electric propulsion devices (23a, 23c) that impart a propulsive force to the electric aircraft (1). Each of the plurality of electric propulsion devices (23a, 23c) includes a monitoring u...
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WO/2023/203741A1 |
A motor controller (1) controls a first motor (M1) and a second motor (M2) having a shared output shaft. The motor controller includes a first control unit (10a) that has a voltage conversion circuit (16) converting a first voltage outpu...
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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/2023/200124A1 |
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/2023/195502A1 |
The purpose of the present invention is to improve the usage efficiency of regenerative energy. An electric actuator of one embodiment of the present invention comprises: an electric motor that repeats forward rotation and reverse rotati...
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WO/2023/195501A1 |
The present invention improves the power efficiency of a device equipped with an electric motor. A vibration test device according to one embodiment of the present invention is provided with a vibration table on which an object to be e...
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WO/2023/189134A1 |
The present invention enables a drive system to continue operating even when the control unit of a drive unit stops. The drive system comprises a controller, a first drive unit, and a second drive unit, and control information transmitte...
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WO/2023/189239A1 |
Provided is a servo system to which an option unit, which outputs a detected sensor value, can be more flexibly connected. This servo system comprises: a plurality of control units for controlling a connected electric motor; and a bus fo...
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WO/2023/171724A1 |
This brake system 20 comprises a plurality of electric braking devices 21-24. The plurality of electric braking devices 21-24 each have an electric motor 71, 72. In the brake system 20, an assessment as to whether or not regenerative pow...
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WO/2023/163359A1 |
A satellite antenna positioner having a satellite tracking function according to the present invention relates to a satellite antenna positioner which has a satellite tracking function, supports an antenna, and is configured to direct th...
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WO/2023/157232A1 |
The present invention provides an electronic control device 110 that controls driving of a plurality of inductive loads and that is capable of prolonging the lifespan of an electronic component by minimizing the total amount of ripple cu...
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WO/2023/153769A1 |
An electronic device according to various embodiments of the present disclosure may comprise: a data communication unit that transmits and receives data to and from a plurality of spacial power transmission units through an antenna; a po...
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WO/2023/147948A1 |
The invention relates to a method (20) for controlling a drive system (1) having at least two drive units (M1, M2), which can be actuated independently of each other and operationally jointly act with a respective drive force at force ac...
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WO/2023/138536A1 |
The present application relates to the technical field of automatic control, and discloses a motor control system, a motor control method, and a motor driving and forwarding device. The motor control system comprises: a centralized compu...
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WO/2023/135741A1 |
This variable speed driving device comprises: a master controller which includes a master oscillator that oscillates a master clock signal; a slave oscillator which includes a plurality of inverters that drive different synchronous motor...
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WO/2023/127341A1 |
A motor system (1) comprises: a plurality of motors (23); a motor driver (21); and a switch unit (22). The motor driver (21) generates and outputs, using PWM control, a driving waveform for causing the plurality of motors (23) to generat...
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WO/2023/127365A1 |
A motor driver (21) supplies power to a plurality of motors (10). Among the plurality of motors (10), a switch unit (31) selectively switches target motors to which the power output by the motor driver (21) is to be supplied. An output c...
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WO/2023/127252A1 |
In a motor system (1), a switch unit (22) selectively switches a target motor among a plurality of motors (23), the target motor to which electric power output by a motor driver (21) is supplied, and from which current is detected by a c...
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WO/2023/121168A1 |
Electric construction machinery according to embodiments of the present invention comprises a battery unit, a power distribution unit, a plurality of inverter units, a plurality of motors, and a vehicle control unit. The power distributi...
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WO/2023/109997A1 |
The invention relates to a method (200) for controlling an angular position of an output shaft in a drive unit (100), comprising the steps of: - detecting a change in direction of a drive apparatus (5), - detecting the torque transmitted...
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WO/2023/114429A1 |
A system for powering an electric vehicle includes at least one electrochemical battery, at least one supercapacitor battery, a first relay disposed on a first electrical path between the at least one electrochemical battery and the elec...
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WO/2023/110011A1 |
The invention relates to an arrangement for supplying current or voltage to an electric drive, in particular of a vehicle, comprising a multiphase power electronics unit (18, 43), which converts a DC voltage or DC current provided by an ...
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WO/2023/093332A1 |
Disclosed in the present invention is a control method for a multidimensional vibration device. The method comprises: setting a changing curve of the voltage amplitude of each resonant frequency of each motor changing over time; construc...
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WO/2023/091600A1 |
A hybrid-electric genset includes a direct current (DC) bus, an engine, and an electric generator configured to receive mechanical power from the engine and generate first alternating current (AC) power. The hybrid-electric genset furthe...
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WO/2023/067882A1 |
This variable-speed power device is provided with: a synchronous machine having a stator provided with an armature winding to form an armature, a first rotor having magnetic poles, and a second rotor provided between the first rotor and ...
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WO/2023/061909A1 |
A method for controlling a tool string having a downhole self- propelling wireline tool (1) having wheels (8) rotated by means of hydraulics and connected to projectable arm assemblies (6) projected by hydraulics, comprising running a do...
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WO/2023/064226A1 |
A variety of methods, controllers, and electric machine systems are described that facilitate pulsed control of multiple electric machines (e.g., electric motors and generators) to improve the machine's energy conversion efficiency. Unde...
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WO/2023/052206A1 |
Modular heavy-duty drive train comprising a plurality of drive modules and an output element, wherein each drive module comprises at least two electric drive units for driving a first summing gear and one load transmission device, wherei...
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WO/2023/054348A1 |
In the present invention: a front wheel drive unit (1F) is configured such that a first rotor (21F) is arranged on a first shaft (A1F), a first differential input gear (51F) is arranged on a second shaft (A2F), and the second shaft (A2F)...
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WO/2023/032678A1 |
This control apparatus for a dynamo-electric machine is applied to a control system comprising: a plurality of electric power conversion circuits (22a, 22b) for converting DC electric power from a DC power supply (30) into AC electric po...
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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...
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WO/2023/022116A1 |
A current detection device (150, 250, 350, 450, 550) is applied to a control device for a polyphase AC rotary electric machine and detects a phase current flowing in a power line for supplying power to the rotary electric machine. The cu...
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WO/2023/019353A1 |
A drive system for raising and lowering a window covering using a continuous cord loop that includes a motor with an associated encoder, device controller for the motor, a speed sensor, and proportional-integral-derivative (PID) layer. T...
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WO/2023/011271A1 |
A white hair removal knife (10), a white hair removal assembly, a white hair removal comb (300), and a white hair removal system (500). The white hair removal knife (10) comprises a knife handle (11) and a knife head (15) located on the ...
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WO/2023/006414A1 |
An electric drive system (1A-1D) comprises an electric motor (10; 10A, 10B) having a rotor (100) and a plurality of lanes (101A-101D) which are electrically isolated from one another and to which electric current can be applied independe...
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WO/2023/000984A1 |
Disclosed herein are a hub motor control system, a control method, a tire, and a driving device. The control system comprises at least two motor control units, a protection control unit, and multiple sub-unit motors. Each motor control u...
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WO/2023/281700A1 |
This control device comprises: a power conversion unit (51); a reference rotational speed acquisition unit (523); and an abnormality determination unit (527). The power conversion unit (51) supplies power to each of a plurality of motors...
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WO/2023/272727A1 |
There is provided an electric traction system (1), comprising: a traction converter module (2) comprising: a positive input terminal (4) and a negative input terminal (6) for operatively coupling to a DC power supply, and a plurality of ...
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WO/2023/272398A1 |
Systems and methods for controlling smart motors. One smart motor system includes a control bus, an input device, and a smart motor communicatively coupled to the input device via the control bus. The smart motor includes an electronic p...
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