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Matches 151 - 200 out of 13,960

Document Document Title
WO/2023/073317A1
Method for automatically setting an angular position sensor One aspect of the invention relates to a method for automatically setting an angular position sensor (2) of a magnet rotor in relation to a stator of a synchronous machine, comp...  
WO/2023/065857A1
A drive control circuit (100), comprising: a signal generating module (110), adapted to be connected to a piezoelectric motor (200), and configured to generate a drive signal to drive the piezoelectric motor (200) to work; a frequency tr...  
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 ...  
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)...  
WO/2023/066983A1
Aspects of the present invention relate to a filter (1) for modulating drive signals applied to a six-phase electrical machine (2). The filter (1) has first and second three-phase winding systems. The filter (1) has at least one magnetic...  
WO/2023/069175A1
A state machine motor controller (SMMC) interface comprises a plurality of states which defines a unique set of poles/ motor phase /phases energized. Digital sensors capture the start of overlap of rotor poles with stator poles. The stat...  
WO/2023/066998A1
The invention relates to a planar drive system (1) comprising at least one stator module (10) and a rotor (100), wherein: the stator module (10) comprises at least one stator unit (11) having at least one coil arrangement (12); the coil ...  
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...  
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...  
WO/2023/062926A1
This transport device transports an object to be transported having a magnetic substance and comprises: a plurality of coils that generate thrust for transporting the object to be transported; a coil drive unit that applies a voltage in ...  
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...  
WO/2023/058058A1
The embodiments herein disclose a switchover asymmetric H-Bridge circuit for series and parallel mode operation of a switched reluctance motor (SRM) motor. In an embodiment, the proposed switchover asymmetric H-Bridge circuit is used to ...  
WO/2023/054953A1
The present invention provides a motor or a generator in which the number of poles of winding is reduced and phases are converted in the forward direction by means of a neural point changeover switch and a phase changeover switch, and th...  
WO/2023/053563A1
The present disclosure addresses the problem of stabilizing the attitude of a movable unit when a component is mounted on a mounting surface of an object. In a mounting system (10) according to the present disclosure, a movable unit (1) ...  
WO/2023/052194A1
An electrical system (1A-1C) for an electric machine (2) comprises: at least three connections (A1-A3) for electrical connection to in each case one phase of an at least three-phase AC voltage; a first star circuit (10A-10C) with three s...  
WO/2023/043664A1
A power tool including a housing, an input, a gear train, a motor at least partially supported by the housing and coupled to the gear train, and a controller including a processor and a memory. The controller is coupled to the input and ...  
WO/2023/035039A1
An electric motor has a stator assembly having a stator magnet, a rotor assembly having a rotor magnet magnetically interacting with the stator magnet and a timing circuit which energises an electromagnet to counteract magnetic field int...  
WO/2023/035706A1
Disclosed in the present invention are a permanent magnet synchronous motor compensation control method and system. The method comprises: calculating a PI control output voltage VP of a permanent magnet synchronous motor (S102); performi...  
WO/2023/029788A1
A multi-phase permanent magnet rotor motor comprises a plurality of phase coil windings with each phase coil winding having two free ends and the plurality of phase coil windings being without a common node. A controller is provided comp...  
WO/2023/031820A1
The present application is concerned with a motor unit having a motor having a stator and an armature, the armature being arranged for relative driven motion with respect to the stator, and a motor control unit having a supply circuit fo...  
WO/2023/030387A1
Provided is a method for suppressing 24th-order noise of an electric motor on the basis of harmonic current injection. The method comprises: converting a three-phase current of an electric motor, which is collected by a three-phase curre...  
WO/2023/032332A1
Provided is a motor device such that wire connection operation can be easily performed even when multiple systems of multiphase windings are wound on teeth sections of a stator. The motor device is a switched reluctance motor comprisin...  
WO/2023/029825A1
The present invention provides a magnetic transport line driving system, a magnetic transport line, and a control method for a magnetic transport line driving system, for use in driving an actuating mechanism of a magnetic transport line...  
WO/2023/029903A1
Disclosed herein are a load inertia identification method and apparatus, an electronic device, and a system. The load inertia identification method comprises: acquiring an input control instruction, the motor rotating speed, and the load...  
WO/2023/026273A1
Circuitry for efficiently operating a three-phase AC motor having three coils, each of which implementing a corresponding phase, comprising four half-bridge inverters having a common bus voltage, for controlling the level and the phase o...  
WO/2023/021760A1
To date, it has been impossible to make the rotational speed of an induction motor exceed a synchronous rotational speed without using power module devices such as an inverter. In the present invention, a full-wave rectifier circuit (1...  
WO/2023/017336A1
A method of controlling an electric motor to optimize system efficiency of an electric motor operable in a pulsed mode and a continuous mode is disclosed herein. The method includes receiving a requested torque for the electric motor, ca...  
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/2023/013230A1
The present invention provides a linear motor control device that is suitable for a wide range of pressure conditions. This linear motor control device comprises: a linear motor 104 constituted by an armature 9 that has a winding to wh...  
WO/2023/009225A1
A linear actuator with an integrated variable frequency drive. The linear actuator includes an AC motor. A screw assembly with an output shaft ts mechanically coupled to the AC motor. An extension tube is provided with a front mount. The...  
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/2023/006414A1
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...  
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...  
WO/2023/286041A1
The invention relates to an electrical converter (104), which comprises: - an inverter (106) designed to provide at least one so-called input AC voltage (VX, VY, VZ) from a so-called input DC voltage (VE); - an AC-to-AC voltage converter...  
WO/2023/282803A1
The present invention relates to a voice coil actuator 100 for control of a valve assembly (501) for controlling a flow of gas, comprising: a body assembly (101) comprising a magnetic material and a permanent magnet (203), wherein the bo...  
WO/2023/283029A1
Methods and apparatus for open loop startup of a three-phase motor that reduces acoustic noise. During rotor alignment of the motor, there is a maximum level for a phase current to the motor. After the rotor alignment, open loop motor st...  
WO/2023/281984A1
An inverter control device (23) is applied to a vehicle (10) provided with: a rotating electrical machine (21) which is an in-wheel motor provided integrally to a drive wheel (11) and which comprises a rotor (60) that has a magnet part w...  
WO/2023/282133A1
A motor drive control device (10) comprises a first current sense unit (105) provided between an intermediate-potential end and a semiconductor switch group. A control circuit (104) recovers phase current information of a three-phase mot...  
WO/2023/278139A1
A method of operating an electric machine cimprises controlling current in a stator coils to skip phases or phase portions of current delivered to the machine according to an input demand. More specificantly, a controller being electrica...  
WO/2023/276368A1
Provided are: a motor device that makes it possible to reduce the number of switches while individually controlling each of the phases of a switched reluctance motor comprising one rotor and two systems of three-phase windings; and a met...  
WO/2022/271854A1
A variable frequency drive motor system and method with a single variable frequency drive controller controlling multiple synchronous reluctance motors in an open-loop mode using volts-per-Hertz control. Each motor includes a rotor inclu...  
WO/2022/268513A1
The invention relates to a machine tool with a motor, wherein the motor comprises a rotor and a stator, and wherein the stator comprises a first winding and a second winding, wherein the windings are designed in such a manner that the wi...  
WO/2022/267378A1
The present invention relates to a low-speed operation control method for a switched reluctance motor, and a switched reluctance motor. The method comprises: acquiring a real-time rotational speed of a switched reluctance motor; determin...  
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/2022/267278A1
A linear drive and a method for correcting a systematic error of the linear drive. The linear drive comprises a fixed assembly (1), a movable assembly (2), a first force sensor (3) and a second force sensor (4). The movable assembly (2) ...  
WO/2022/264407A1
An electric motor of the present invention comprises a stator, a rotor, and a built-in board (11) that supplies current to the stator. The built-in board (11) has a high-voltage circuit (71) connected to a high-voltage power supply (77),...  
WO/2022/259956A1
A motor control device comprising, as a control unit, a first control unit and/or a second control unit that serve as a control unit. The control unit outputs, to a first motor drive unit, a first current command for current supply to a ...  
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/2022/253130A1
A method for estimating the position of a rotor of a switched reluctance motor for a full range of speeds. A magnetic flux relational formula within a winding and an instantaneous voltage of the switched reluctance motor are defined, and...  
WO/2022/252370A1
The present invention provides an SPIM motor driving circuit and method, comprising a driver and an alternating current unit. The driver comprises a rectifier unit, a direct current bus, a first inverter unit and a second inverter unit; ...  

Matches 151 - 200 out of 13,960