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WO/2024/080294A1 |
This control device comprises: a target speed derivation unit that derives a target speed ωr of an electric motor, within an available output range of the electric motor, in accordance with a required value; a command value conversion u...
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WO/2024/078126A1 |
The present invention provides a motor closed-loop detection circuit and method. The motor closed-loop detection circuit comprises: a motor open-loop path, configured to provide an open-loop angle increment and calculate an open-loop ang...
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WO/2024/077682A1 |
Provided is a control method (200) for a current of a permanent magnet synchronous motor (150) on the basis of constrained model predictive control. The method comprises: acquiring stator current measurement data of a permanent magnet sy...
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WO/2024/074550A1 |
A control device of an electric drive has a base control loop for a vector control, comprising a target value input (EG), a subsequent deviation detection element (RA), a manipulated variable guiding element (RS) which is arranged downst...
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WO/2024/075163A1 |
An electric power conversion device (200) connected to a motor (7) comprises a rectification unit (3) that rectifies first AC power supplied from a commercial power supply (1), a smoothing capacitor (5) connected to output terminals of t...
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WO/2024/075210A1 |
A power conversion device (200) comprises: a rectification unit (3) that rectifies first AC power supplied from a commercial power source (1); a smoothing capacitor (5) connected to the output end of the rectification unit (3); an invert...
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WO/2024/074539A1 |
The invention relates to a method for ascertaining a harmonic component (OA) in a multiphase control signal (S) of a multiphase electric machine (M), having the following steps: operating the electric machine (M) using the control signal...
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WO/2024/074957A1 |
A method of controlling an electric machine having a separately excitable rotor and stator includes exciting the rotor and the stator at the same time to generate an optimal magnetic flux in the electric machine. The method includes main...
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WO/2024/065568A1 |
A method for filtering a deviation signal of a Hall position sensor for a robot joint. The method comprises: acquiring a duration of each Hall state during the operation of an electric motor (S10); calculating the current Hall average du...
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WO/2024/069811A1 |
A motor drive device (100) drives a motor (40) that generates, in addition to a fundamental wave component of an induced voltage, at least one harmonic voltage of a fifth-order harmonic component and a seventh-order harmonic component of...
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WO/2024/068560A1 |
A laboratory apparatus (100) comprises a movable element (10) and a drive device (50) for moving the movable element (10). The drive device (50) includes a stepper motor (20) and a control unit (30) for controlling the stepper motor (20)...
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WO/2024/070731A1 |
Disclosed is a motor control device that is capable of estimating and compensating for a gain error of an electric current sensor in a stable and accurate manner, without being equipped with a special operating sequence. This motor contr...
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WO/2024/071207A1 |
This control device for a motor, power generator or the like includes: current supply lines 42a, 42b, 42c which respectively supply currents of different phases to coils 32 (32a) of the motor or power generator, which is provided with ma...
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WO/2024/071277A1 |
The motor control device according to one embodiment of the present invention comprises an inverter, a calculation unit, a speed estimation unit, and a current control unit. The inverter converts the DC voltage supplied from a DC power s...
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WO/2024/069705A1 |
A power conversion device (200) comprises: a rectifier unit (3) for rectifying a first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) connected to an output end of the rectifier unit (3); an inverter (30)...
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WO/2024/060306A1 |
Disclosed in the present invention is a permanent magnet synchronous motor sensorless control method for an agv transfer robot, comprising: determining an operating state of a permanent magnet synchronous motor; if the permanent magnet s...
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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/2024/056971A1 |
The present application relates to a method for calibrating a model for estimating a torque supplied by an electric machine (10), which comprises the following steps: (E1) measuring an electric current in the electric machine (10) for an...
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WO/2024/057875A1 |
Motor control devices (351-354) each comprise: a torque command calculation unit (40) that calculates a torque command value (Trq*); a current command calculation unit (50) that calculates a current command value (I*); a power converter ...
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WO/2024/059181A1 |
Systems and methods relate to a vehicle, such as a vertical takeoff and landing (VTOL) platform, which can include a stator and a rotor magnetically levitated by the stator. The rotor and stator can be annular, such that the rotor rotate...
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WO/2024/052096A1 |
The invention relates to a method for operating a drive unit of a machine tool, wherein the drive unit is supplied by a mains voltage and the drive unit has a brushless DC motor and an inverter upstream of the DC motor, and wherein durin...
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WO/2024/053177A1 |
The purpose of the present invention is to improve magnet temperature estimation accuracy by correcting the current dependency of magnetic flux variation due to a temperature change when estimating magnet temperature. A motor control u...
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WO/2024/053181A1 |
Provided is an AC motor control device that drives and controls an AC motor through voltage phase control, and is capable of speeding up the overall response while suppressing reverse current response. The AC motor control device convert...
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WO/2024/051219A1 |
The present disclosure provides a motor three-phase current unbalance compensation method and apparatus, an electronic device, and a computer readable storage medium. The method comprises: calculating a target peak current corresponding ...
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WO/2024/053167A1 |
This motor control device comprises: a current command value calculation unit (41) that calculates a current command value for driving a motor; a current value detection unit (48) that detects current flowing in the motor; a current cont...
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WO/2024/050897A1 |
Disclosed in the present invention are a permanent magnet fault-tolerant hub electric motor based on an active position-sensorless policy, and driving and design methods therefor. According to the present invention, in an electric motor ...
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WO/2024/051227A1 |
Disclosed in the embodiments of the present application is a control method. The method is used for controlling a BLDCM. A driving circuit of the BLDCM comprises a DC-DC converter and a three-phase inverter. The method comprises: acquiri...
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WO/2024/050901A1 |
A heavy-load starting method for a freight robot, comprising: detecting within a first preset period whether a permanent magnet synchronous motor rotor satisfies a preset starting condition; and if permanent magnet synchronous motor roto...
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WO/2024/048258A1 |
A motor control device (100) wherein an inverter (10) converts a DC voltage that is supplied from a DC electric power source into an AC voltage and applies the converted AC voltage to a motor (M), an electric current detection unit (21) ...
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WO/2024/047930A1 |
Provided are a synchronous-machine control device, a compression system, and a refrigeration-cycle device that enable improvement in the accuracy of estimation of the permanent-magnet magnetic flux in a synchronous machine. A synchronous...
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WO/2024/044297A2 |
A method for controlling a multiphase electric machine is described herein. The method includes providing a control system operably connected to the multiphase electric machine; receiving, using the control system, a plurality of inputs,...
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WO/2024/044289A1 |
Controlling navigation of an autonomous unmanned aerial vehicle (UAV), commonly known as a drone, involves mathematical modeling and the resulting estimations. The autonomous UAV has one or more rotors, a wind sensor, and a controller fo...
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WO/2024/043399A1 |
The present specification relates to an apparatus and method for controlling an inverter-driven sensorless motor. A method for controlling an inverter-driven sensorless motor according to one embodiment of the present specification compr...
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WO/2024/042241A1 |
The present invention relates to a control system for a multiphase brushless motor without a position sensor, incorporating drive control electronics, comprising: • - a switching means (20), provided with two-state switches (12 to 17),...
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WO/2024/040823A1 |
Disclosed in the present invention is a linear brake control method and apparatus applied to a competition-level remote-controlled model vehicle. The method comprises: a user sending a remote control instruction to an electric-motor cont...
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WO/2024/043349A1 |
The present invention concerns a device and a method for controlling a motor using a DFVC module and a CCAL module. The invention: determines a torque reference, determines, by the CCAL module, a flux reference and a current reference fr...
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WO/2024/041042A1 |
The present invention relates to the technical field of linear motor motion control. Disclosed are a linear motor motion control method, apparatus and device, and a storage medium. The present invention involves: by using a state extensi...
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WO/2024/040881A1 |
Disclosed in the present application are a linear brake control method and apparatus applied to a competition-level remote-control model vehicle. The method comprises: a user sending, by means of a remote controller, a remote control ins...
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WO/2024/038574A1 |
In a compressor control device (310) used as an AC electric motor control device, a torque compensation unit (314) calculates a torque compensation value that is a compensation value for a basic torque and necessary for suppressing the r...
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WO/2024/038628A1 |
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/2024/034259A1 |
Disclosed is a motor control device capable of improving the accuracy and reliability of magnetic flux estimation. This motor control device comprises: a voltage command creation unit (41) that generates, in accordance with the speed com...
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WO/2024/033337A1 |
The invention relates to a method for operating an electric machine (2), having a brushless electric motor (4) comprising a stator and comprising a rotor, and a closed-loop control unit (64) for sensorless field-oriented open-loop contro...
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WO/2024/034501A1 |
In the present invention, a device for driving a permanent magnet synchronous motor comprises: an inverter; a detection means that detects electric current that flows in the permanent magnet synchronous motor; and a control means that co...
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WO/2024/033172A1 |
The invention relates to a method for operating an electric machine (4) of a rotary drive, comprising a gear set (2) which has backlash, wherein the electric machine (4) is controlled according to a target value (n_EMsoll) of a control v...
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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/2024/027218A1 |
A switch winding electric-motor driving system, and a control method and apparatus therefor, and a storage medium. The system comprises a first inverter (10) and a second inverter (20), which are arranged corresponding to two ends of a w...
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WO/2024/029158A1 |
The purpose of the present invention is to provide an AC motor control device that can perform stable vector control of a multipolar AC motor. The present invention comprises a control device 2 that controls an AC motor 1 by means of a...
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WO/2024/021692A1 |
The present application relates to the technical field of air conditioners. Disclosed is a control method for an air conditioner. The control method comprises: acquiring bus voltage information of an air conditioner; when the bus voltage...
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WO/2024/021763A1 |
The present application relates to the technical field of air conditioners. Disclosed is a control method for an air conditioner. The control method comprises: acquiring bus voltage information of an air conditioner; when the bus voltage...
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WO/2024/023895A1 |
According to the present invention, when there is, in a second coordinate space having the rotation speed and the torque of a motor 009 as the coordinate axes, a specific region 113 in which the temperature of a magnet of the motor 009 i...
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