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WO/2022/158240A1 |
A control device (50) is used in a system (10) that comprises: a rotary electrical machine (30) which includes a rotor (33) having a permanent magnet (34) and a stator (32) having coils (31U, 31V, 31W); and an inverter (40) which has upp...
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WO/2022/151775A1 |
Disclosed in the present application are a motor control method and apparatus. The method comprises: obtaining a first waveform parameter and a second waveform parameter, wherein the first waveform parameter is a waveform parameter of a ...
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WO/2022/153041A1 |
A method and related arrangement for providing an estimate of a status of a load driven by a motor, comprising the steps of: - providing a motor assembly having a motor and a motor controller, the assembly being mechanically linked to th...
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WO/2022/153587A1 |
A vehicle control device that controls the cooling state of a dynamo-electric machine to at least a first cooling state and a second cooling state, which are different, during the stop period of a vehicle equipped with the dynamo-electri...
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WO/2022/146966A1 |
A motor system (100) with an input (106) for coupling to a motor control signal (STO_A) that, when presented in a predetermined state, indicates a motor receiving power should be disabled from rotating. The system also includes controlle...
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WO/2022/142310A1 |
A drive control circuit, a drive control method, a circuit board and an air conditioner. The drive control circuit is connected to a first power module and a second power module at two ends of an open-winding electric motor, the second p...
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WO/2022/133887A1 |
A rapid deceleration control method and system for an asynchronous motor, and an electronic device and a computer-readable storage medium. The method comprises: controlling, on the basis of a target current value, an output current of a ...
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WO/2022/134640A1 |
A control method, an apparatus, a power system and an electric vehicle. Said method is applied to a motor controller in a power system, and the power system further comprises a power battery (10), a motor (30) and an inverter (20). Said ...
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WO/2022/126273A1 |
A dual inverter drivetrain having an energy storing fuel cell integrated into an electric vehicle is disclosed. A method of operating the dual inverter drivetrain using a power sharing control approach is described, which allows the key ...
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WO/2022/117253A1 |
The invention relates to a method for operating an electric machine (2) comprising a rotatably mounted rotor and a motor winding that is electrically connected to an electric energy store (4) by means of power electronics (3). In said me...
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WO/2022/117247A1 |
The invention relates to a method for operating an electric machine (2), in particular in a motor vehicle, the machine (2) comprising a rotatably mounted rotor and a motor winding that is electrically connected to an electric energy stor...
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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/2022/105885A1 |
A method and system for determining the opening/closing time of a motor-driven mechanism. In a current opening/closing process of the motor-driven mechanism, the opening/closing time of the mechanism is determined according to a position...
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WO/2022/104429A1 |
A controller for controlling a motor of a drill comprising an output of a signal for controlling a speed of rotation of the motor, a processor for producing the signal, wherein the signal is automatically varied according to a waveform, ...
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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/2022/099788A1 |
An acceleration and deceleration motion control method. The method comprises: in an application scenario in which total motion time is constant and a target number of motion steps is arbitrary, according to an acceleration and decelerati...
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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/2022/096194A1 |
The invention relates to a method (100) for operating an electric system (200), having the steps of: ascertaining (120) a first load value (L1) on the basis of an ascertained first current (I1) running through a first electric conductor ...
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WO/2022/094659A1 |
A filter cup (100) holds ground coffee within a portafilter for attachment to an espresso machine to extract a dose of coffee. The filter cup (100) has a body (102) including a floor (104) with a plurality of perforations (106), a sidewa...
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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/2022/073773A1 |
The invention relates to a method for monitoring one or more electric drives (M1, M2, M3, M4) of an electromechanical system, in particular of a wind direction tracking system of a wind turbine, wherein the one or more drives (M1, M2, M3...
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WO/2022/070589A1 |
Provided is a vibration suppression control device for a vehicle system, the device using motor speed information to suppress vibration due to resonance, and thereby improve vehicle riding comfort. The present invention is provided with ...
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WO/2022/062498A1 |
Disclosed is a power factor correction (PFC) circuit for a brushless DC water pump having AC input. The PFC circuit comprises a FAN6982 chip circuit and a voltage boost circuit. The FAN6982 chip circuit is used to perform power factor co...
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WO/2022/059399A1 |
This servo DC power supply system includes: a DC power supply; one or a plurality of motor control devices each controlling the corresponding servo motor; and a power supply path for distributing and supplying power from the DC power sup...
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WO/2022/053081A1 |
The present disclosure relates to a novel strength training device, and an adjustment and parameter optimization method and apparatus therefor. The method comprises: detecting the angular acceleration of a motor in real time; performing ...
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WO/2022/053852A1 |
The present invention relates to a device and a process for increasing the efficiency of electric motors, reducing losses caused by heat, losses caused by hysteresis, losses caused by the creation of eddy currents, losses caused by resis...
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WO/2022/054232A1 |
Provided is a rotating machine control device that is capable of accurately reducing ripple components by correcting the output torque of the rotating machine, even when the phase of a ripple component relative to the angle of rotation c...
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WO/2022/050016A1 |
Provided is a rotor of a rotary electric machine in which a plurality of magnets are disposed in the circumferential direction, said rotor including a first rotor and a second rotor which are adjacent in the rotation axis direction of th...
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WO/2022/026956A9 |
An electric machine includes a stator and a rotor energizable by magnetic fields produced by the stator when receiving a stator current to produce relative motion between the rotor and the stator. A controller is configured to send the s...
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WO/2022/041100A1 |
A motor correction system (100). The motor correction system (100) is used for correcting a zero position of a motor and a phase sequence of the motor, and comprises a control module (1), a driving module (2), an angle reader (3), a data...
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WO/2022/044230A1 |
A method for controlling a motor, in which a first mode or a second mode can be selected as the control mode for controlling the action of the motor according to the operation state of the motor. In the control method: when the second mo...
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WO/2022/037961A1 |
The present invention is related to a computer-implemented method of predicting conditions of machines as well as a corresponding data processing system, computer program and computer-readable medium. A technical specification of a machi...
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WO/2022/038026A1 |
The invention relates to a method for determining a synchronous speed (n0) of an electric machine (2), in particular a speed-controlled asynchronous machine (2), in a work machine (1) driven by the electric machine (2), wherein a control...
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WO/2022/035423A1 |
The present disclosure relates to systems and methods for improved anomaly detection for rotating machines. An example method may include determining a rotational speed of a rotating machine. The example method may also include determini...
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WO/2022/030205A1 |
A motor control device (10) is configured as follows: in accordance with a power voltage （ＶＤＣ） shifting from a dropped state to a rising state, an approaching speed, in which an actual motor rotation speed （ω） that has dro...
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WO/2022/017391A1 |
A totem pole PFC circuit and a control method therefor, a circuit board, an air conditioner, and a storage medium. The totem pole PFC circuit sends a pulse signal to a third switching device at the positive half wave of an alternating-cu...
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WO/2022/012130A1 |
Disclosed is an active heave compensation control method for a marine winch driven by a switched reluctance electric motor. The method comprises: calculating a rotation speed deviation of a switched reluctance electric motor according to...
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WO/2022/007501A1 |
A self-heating control method and apparatus for a power battery. The method comprises: acquiring a second temperature of a rotor at the current sampling time according to system parameters and a first temperature of the rotor at the prev...
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WO/2022/004466A1 |
This hydrostatic pressure unit is provided with: an inverter (17); a motor (10) controlled by the inverter; a pump (11) which is driven by the motor and which discharges a fluid; a detecting unit (16) which detects the pressure and/or th...
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WO/2021/253782A1 |
Disclosed are a method and apparatus for controlling an oil-gas pump electric motor, which relate to the technical field of oil-gas pump electric motors. The method comprises: obtaining a given speed of an electric motor; performing spee...
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WO/2021/255887A1 |
Provided is a control device for an AC rotating electric machine and an electric power steering device capable of accounting for the mechanical resonant period of the AC rotating electric machine to suppress increases in the sound of the...
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WO/2021/253634A1 |
The present invention relates to the technical field of servo motor drivers, and specifically relates to a method for detecting the temperature of a braking resistor in a driver. Real-time power parameters of a braking resistor are obtai...
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WO/2021/249647A1 |
A method is disclosed for steering a physical analog system (e.g., an electric motor) using a discrete-level (e.g., binary) control signal. The discrete-level control signal is computed by an iterative scheme that can handle a long plann...
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WO/2021/249673A1 |
A method is disclosed for steering a physical analog system (e.g„ an electric motor) using a discrete-level (e.g., binary) control signal. The discrete-level control signal is computed by an iterative scheme that can handle a long plan...
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WO/2021/245974A1 |
An object of the present invention is to realize a motor control device capable of improving motor control precision by suppressing error component due to braking and so forth, and bringing an estimated motor speed closer to an actual mo...
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WO/2021/248155A1 |
Systems and methods for reducing current imbalance in a motor, where one embodiment comprises a system having an ESP installed in a well, an electric drive, and a power cable coupled between the drive and the ESP's motor. The electric dr...
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WO/2021/235328A1 |
When the rotation direction of a motor (18) is determined by a connection determination unit (40) not to match a rotation command (Cr), the phase sequence of a current detection signal (Di) and the phase sequence of a voltage command (Cv...
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WO/2021/235010A1 |
The present invention addresses the problem of controlling rotation of a motor at rotational speeds equal to or less than the set minimum rotational speed of a motor driver. A motor control device according to one embodiment of the pre...
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WO/2021/228582A1 |
The invention relates to controlling an electric drive system, a control range for the switching frequency of a power converter in such a drive system being adaptable when the rotational frequency curve or the torque curve of the electri...
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WO/2021/229376A1 |
The invention relates to a motor control processing unit (1) for a motor control device (2) which comprises a voltage source inverter unit (4), configured to control the voltage source inverter unit (4) to provide a motor voltage followi...
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