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WO/2023/084901A1 |
Provided is a conveyance device that conveys a conveyance object having a magnetic body, said conveyance device comprising: a plurality of coils that generate magnetic flux which acts on the magnetic body; a coil driving unit that applie...
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WO/2023/086339A1 |
A safety switching system and method for braking an electric motor in a mobile device. A multi-phase shorting system brakes the motor by diverting power from the motor windings. Multiple independent switching units each include a switch ...
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WO/2023/077930A1 |
A linear motor driving method and circuit, and a related apparatus. The method is applied to a linear motor driving circuit. The linear motor driving circuit comprises a power source module, a control module, a driving module, a linear m...
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WO/2023/078798A1 |
The invention relates to a measuring assembly (21) having a measuring circuit (22), which is arranged on or in an electrical machine (10), and an evaluation unit (24), which is arranged outside the electrical machine (10) and is connecte...
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WO/2023/078667A1 |
The invention relates to an inductively electrically excited synchronous machine (1), comprising: - a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil wi...
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WO/2023/078740A1 |
The invention relates to an electric drive (17) comprising an electric machine (1) which is designed as a synchronous motor, a reluctance motor, or a permanent magnet-supported synchronous reluctance machine, wherein the stator windings ...
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WO/2023/078669A1 |
The invention relates to data transmission between a secondary side (3) of a transformer device (1), which is used for inductively transmitting electrical energy from a DC voltage source (4) to a consumer (11), and a primary side (2) of ...
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WO/2023/078668A1 |
The present invention relates to an inductively electrically excited synchronous machine (1), having: a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil ...
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WO/2023/071641A1 |
The present invention belongs to the technical field of linear resonant actuators. Disclosed are a control method and apparatus for a linear resonant actuator, and a device and a medium. The method comprises: acquiring the current vibrat...
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WO/2023/071644A1 |
The present application relates to a construction method and apparatus for a directional vibration waveform and an adjustment method and apparatus for a directional vibration waveform. The construction method comprises: constructing a pi...
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WO/2023/071642A1 |
The present invention belongs to the technical field of linear resonant actuators. Disclosed are a method for controlling a linear resonant actuator, and a device and a medium. The method comprises: acquiring driving waveform data; on th...
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WO/2023/074238A1 |
Provided is a control system that sets the voltage of a DC bus connected to a secondary battery to the optimal value according to the capacity of the power supply and the characteristics of the secondary battery, and stabilizes the batte...
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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/2023/073317A1 |
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...
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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...
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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/2023/067278A1 |
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/2023/066983A1 |
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...
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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...
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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 ...
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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/2023/062926A1 |
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 ...
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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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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 ...
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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...
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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) ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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/2023/286041A1 |
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...
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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...
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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...
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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...
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