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WO/2023/133773A1 |
A temperature detection method for an electric motor, a control method, a device, and a storage medium. The temperature detection method comprises: acquiring an input combination signal, which is inputted into an electric motor, the inpu...
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WO/2023/132114A1 |
The purpose of the present invention is to precisely estimate the necessary electric constant for control of a three-phase induction motor for which the electric constant is unknown. In order to achieve this purpose, the present invent...
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WO/2023/123783A1 |
Provided are multi-phase motor control method and apparatuses, and a readable storage medium. The method comprises: when a multi-phase motor has a phase loss fault, acquiring a current position of a rotor of the multi-phase motor; accord...
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WO/2023/123741A1 |
Provided is a full speed range flying start method for a high-speed permanent magnet synchronous machine, relating to the technical fields of power generation, power transformation or power distribution. It is directed to starting based ...
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WO/2023/123676A1 |
A single-resistor detection method, an electric motor control method, an electric motor controller, and an electric motor control system. The method comprises: acquiring a direct-current bus current that flows through a single sampling r...
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WO/2023/124921A1 |
Disclosed in the present invention are a torque estimation method and apparatus for a permanent magnet synchronous motor, and a device and a storage medium. The method comprises: acquiring a motor operation parameter in real time; and in...
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WO/2023/115711A1 |
Provided is a current distribution control method for a claw-pole motor. When an input instruction torque Tref is met, a reasonable distribution ratio of excitation current If of a rotor to current Iq of a stator armature winding enables...
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WO/2023/118680A1 |
The invention relates to a method for controlling a three-phase electric motor (2) that is supplied with power by an inverter (3) receiving control signals that are determined by a space vector modulation according to a pair of supply vo...
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WO/2023/115989A1 |
The present invention relates to the technical field of motor control, in particular to a motor control method, a motor, a vehicle, a storage medium and a computer; according to the motor control method, by means of introducing online ad...
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WO/2023/117402A1 |
The present invention relates to a method and a system for controlling an inverter (OND) of an electric machine (MEL), which implement a control model (MOD) that calculates the optimal current setpoints as a function of the torque setpoi...
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WO/2023/122636A1 |
A system and method for determining gains of a Proportional-Integral-Derivative (PID) controller (110) is disclosed. The method includes receiving actuator data (154, 154a) from an actuator (150) and determining a load torque (134) of th...
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WO/2023/109421A1 |
A dead zone compensation method and apparatus, a computer device, a computer readable storage medium, and a computer program product. The method comprises: (S102) acquiring a dead zone compensation time setting value and an action time s...
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WO/2023/105676A1 |
A power conversion device (1) comprises: a rectifier unit (130) that rectifies a power supply voltage which has been supplied from a commercial power source (110); a capacitor (210) that is to connected to the output terminal of a rectif...
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WO/2023/105710A1 |
An electric motor driving device (110) comprises: a converter (110); a capacitor (114); a voltage detection unit (115); an inverter (120); an electric current detection unit (116); and a control unit (130). The control unit (130): calcul...
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WO/2023/102704A1 |
Provided in the present application are an electric motor control system, a method for controlling an electric motor, and an electric device. The electric motor control system comprises a controller and an electric motor driving circuit,...
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WO/2023/100360A1 |
A power conversion device (1) comprises: a converter (150) that rectifies a first AC voltage which is supplied from an AC power supply (110); a capacitor (210) that is connected to an output terminal of the converter (150) and that smoot...
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WO/2023/100267A1 |
A power conversion device (10) comprises: a first converter circuit (2) for converting AC voltage to DC voltage; an inverter circuit (5) for converting the DC voltage to AC voltage; a first smoothing unit (11) which is connected between ...
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WO/2023/098181A1 |
The present invention relates to the technical field of motor control, in particular, to an FOC-based permanent magnet synchronous motor field-weakening runaway control method, a computer, and a storage medium. The method comprises: acqu...
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WO/2023/100359A1 |
A power conversion device (1) comprises: a converter (150) that rectifies a first AC voltage supplied from an AC power supply (110) that is a three-phase AC power supply; a capacitor (210) that is connected to the output ends of the conv...
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WO/2023/100658A1 |
An electric power converter (55) of this motor control device converts input electric power and supplies alternating-current power to each phase of a polyphase motor (60). A current command calculation unit (50) calculates current comman...
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WO/2023/097915A1 |
A field weakening control method and apparatus for a motor, a motor controller, a motor control system, and a medium. The method comprises: acquiring a direct current bus voltage, and determining the phase of an alternating current input...
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WO/2023/099061A1 |
The invention relates to a method for operating an electric drive system (7) comprising: an electric machine (1) which has a rotor (3) having a rotor shaft (5); a sensor assembly for measuring a rotor angle (α) of the rotor (3); a trans...
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WO/2023/098941A1 |
The invention relates to a method for controlling the position of a rotor (103) of an electric machine, in particular a permanently-excited synchronous machine, with two separate winding systems, wherein each of the winding systems is co...
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WO/2023/101268A1 |
The present invention relates to a method for sensing an air inflow state of an electric water pump and, more specifically, to a method enabling an air inflow state of an electric water pump to be sensed using an Iq current value indicat...
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WO/2023/094352A1 |
The invention relates to the operation of an electric motor (M) by means of a motor controller which controls, in a control loop (10, 20, 30, 40, 50), a controlled variable (Iq, Id) defining the rotary drive of the electric motor (M). Ac...
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WO/2023/093341A1 |
Disclosed in the present invention is a high-speed permanent magnet synchronous motor control method based on a power loop. The method comprises: when a permanent magnet synchronous motor is started, initially assigning an open-loop curr...
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WO/2023/095705A1 |
In the present invention, a motor device comprises: a motor driven by AC drive power; an inverter that supplies drive power to the motor; and a controller that generates pulse signals for controlling the drive power, using a carrier and ...
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WO/2023/092925A1 |
Provided are a vibration suppression method and apparatus (500), a servo driver (320), and a servo drive system (300). The method is applied to the servo driver (320). The method comprises: when the servo driver (320) drives a servo moto...
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WO/2023/088283A1 |
Disclosed in the present invention are a pole changing method for an asynchronous electric motor, a derived system, a component, a new energy vehicle, etc. In the present invention, the number of poles of an asynchronous electric motor (...
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WO/2023/087607A1 |
A nonlinear and adaptive alternating-current servo electric motor angular position control method and system. The method comprises: acquiring original electric motor rotor angular position data; inputting the original electric motor roto...
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WO/2023/084600A1 |
A power conversion device (1) comprises: a capacitor (210) connected to the output ends of a rectifying unit (130) that rectifies a first AC power supplied from a commercial power supply (110); an inverter (310) connected to both ends of...
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WO/2023/081950A1 |
The present invention relates to a method for controlling operating parameters (BP) of an electric motor (100), in particular for driving a vehicle, the method having the following steps: capturing actual operating parameters (IBP) of th...
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WO/2023/081146A1 |
In other features, a refrigeration system is provided and includes a compressor motor, an inverter, a converter and a control module. The inverter is configured to convert a direct current (DC) bus voltage to an alternating current (AC) ...
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WO/2023/072848A1 |
The invention relates to a method for controlling an electric machine (1) using measurement coils (31) arranged in an air gap (3) situated between a stator (2) and a rotor (4) of the electric machine, a plurality of phase windings (24) a...
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WO/2023/073823A1 |
This control device of a rotating machine is provided with an inverter which applies a voltage to the rotating machine, a current detector which is provided in the inverter and which detects the rotating machine current, i.e., the curren...
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WO/2023/074825A1 |
Provided is a work machine capable of estimating position information of a brushless motor from a current, even when an operation unit is in an off state. A control unit 41 transitions from constant speed control to deceleration control ...
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WO/2023/076942A1 |
A method of determining rotor angle limits for static heating of an electric motor comprises: applying a brake to a wheel of a vehicle, wherein the vehicle has an electric motor; while the brake is applied, providing a first current to t...
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WO/2023/076920A1 |
In a general aspect, a method includes measuring, for a permanent magnet motor having a rotor rotating at a speed, a direct-axis voltage in a rotor frame of reference. The speed is determined by an angular position sensor. The method fur...
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WO/2023/072598A1 |
The invention relates to a method for operating two electrical machines in a powertrain (100) of a vehicle having a first electrical machine (120) which can be operated as a motor and as a generator and is electrically connected to a bat...
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WO/2023/073870A1 |
This power conversion device (1) comprises: a rectifier unit (130) that rectifies a first AC power supplied from a commercial power supply (110); a capacitor (210) connected to an output terminal of the rectifier unit (130); an inverter ...
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WO/2023/067724A1 |
A power conversion device (2) comprises a converter (10) for rectifying the power supply voltage applied from an AC power supply (1) and an inverter (30) connected to the output end of the converter (10), and supplies AC power to an elec...
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WO/2023/067774A1 |
This power conversion device (200) comprises: a rectifying unit (3) for rectifying a first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) connected to the output ends of the rectifying unit (3); an invert...
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WO/2023/067278A1 |
The invention relates to a method and system for determining control parameters for a rotary electric machine, comprising: - a two-phase imaginary reference module (17) configured to construct two imaginary two-phase signals (x_α, x_β)...
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WO/2023/067723A1 |
In the present invention, a power conversion device (2) comprises a converter (10), a capacitor (20), an inverter (30), and a controller (100) for controlling an operation of the inverter (30). The converter (10) rectifies a power supply...
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WO/2023/062161A1 |
A method (1) for estimating the electromagnetic torque of a wound-rotor synchronous machine, said method comprising: - a step (10) of measuring the stator and rotor currents of said machine; - a step (11) of defining a flux-current model...
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WO/2023/060748A1 |
A prediction control method, apparatus and device for a three-phase permanent magnet synchronous electric motor, and a medium. The method comprises: acquiring six effective voltage vectors of a three-phase permanent magnet synchronous el...
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WO/2023/062167A1 |
The invention relates to a method (1) for estimating the rotor position and speed of a permanent-magnet rotor synchronous electric motor, comprising: - a step of measuring (10) the three-phase currents of said electric motor; a step of t...
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WO/2023/060562A1 |
A riding lawn mower is provided including: a seat for a user to sit thereon; a chassis configured to support the seat; a walking assembly including at least one first walking wheel and at least two second walking wheels, which are a left...
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WO/2023/057940A1 |
The present invention relates to a method for controlling a three-phase electric machine (130) by means of a control unit (200) operatively connected to control means (140), to sensor means (150), and to an inverter (120) operatively con...
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WO/2023/058640A1 |
A motor control device (100) controls energization to a motor (80) having two three-phase winding sets (801, 802) configured so that mutual electrical angle phase difference becomes ± (φo + 120 × n)° (0 < φo ≤ 60°, n is an intege...
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