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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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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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) ...
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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),...
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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 ...
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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...
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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...
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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; ...
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WO/2022/253883A1 |
In order to enable determination of the position of a transport unit (TE1, TE2) as accurately as possible in a transport device (1) having at least one transport segment (TS) along which at least one transport unit (TE1, TE2) is moved at...
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WO/2022/249245A1 |
This motor drive system (101) comprises a motor drive control device (1A) for supplying a first power to coils (2A) and another motor drive control device (1B) for supplying a second power to coils (2B). The motor drive control device (1...
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WO/2022/249568A1 |
This electric drive system comprises a rotating electric machine and a drive device. The stator coil of the rotating electric machine has: a first system winding (160A) mounted on a stator core with a spatial phase difference of 0° with...
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WO/2022/247127A1 |
A direct torque field weakening control method and apparatus, a storage medium and an electronic device, the method comprising: determining the running state of a current motor, the running state comprising forward rotation and reverse r...
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WO/2022/251344A1 |
A medical device system (10) configured to dynamically switch motor control protocols while a motor (12) within a handheld device is operating to increase efficiency of the motor operation and to provide improved reliability and performa...
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WO/2022/242299A1 |
Disclosed in the embodiments of the present application are a method and apparatus for adjusting a driving waveform, and a device and a readable storage medium. The method comprises: in response to an interruption event, acquiring a vibr...
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WO/2022/243007A1 |
Method (100) and device for determining an angle difference (PhiOffs_opt) between a zero position of a rotor position sensor (210) of an electric machine (220) and an orientation of the permanent magnets of the electric machine (220), wh...
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WO/2022/243058A1 |
The invention relates to a control method for braking an electric motor (7) of a hand-held electric tool (1), the electric motor (7) comprising a stator winding (12) and a rotor winding (14), and the method comprising: a) switching (S1) ...
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WO/2022/242794A1 |
The invention relates to a controller (15) for actuating a redundant actuator (20) comprising two sub-actuators, in particular of a motor with two separate windings, comprising a first actuator connection (21) which comprises multiple fi...
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WO/2022/245548A1 |
A coil winding (45) for an electric motor (25), and systems, components, assemblies, and methods thereof, can comprise turns of a predetermined number of electrically conductive wires (46) on a first side (48) of the coil winding (45) tw...
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WO/2022/237131A1 |
The present invention relates to an angle compensation method and system for a permanent magnet synchronous motor controller. Firstly, a compensation time is obtained by subtracting a sampling time from a time of a PWM half cycle; then, ...
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WO/2022/241283A1 |
The present directed to a cordless power tool system including a plurality of cordless power tools, a plurality of fixed voltage and multi-voltage battery packs and a plurality of battery pack chargers. The battery packs include circuitr...
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WO/2022/236793A1 |
Disclosed in the present invention is a high-temperature-resistant switched reluctance motor controller, comprising a controller housing, a lubricating mechanism, and a cleaning mechanism. A mounting bracket is provided on the surface of...
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WO/2022/234826A1 |
Provided is a multi-phase motor switching device which can switch a plurality of coil parts constituting coils of each phase of a multi-phase motor between a series connection and a parallel connection. The multi-phase motor switching ...
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WO/2022/234717A1 |
Provided is an open winding motor/inverter system with which it is possible to reduce introduction costs and to reduce the system size. The open winding motor/inverter system is provided with an open winding motor 60 having mutually inde...
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WO/2022/230942A1 |
Provided is a method for saving power supplied to a rotating electric machine, the method achieving a power supply energy-saving effect by devising the motor side. According to the present invention, which aims to achieve power supply ...
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WO/2022/231973A1 |
Systems and methods described herein provide for controlling a conduction angle applied to a motor, such as a power tool motor. Operations for controlling the conduction angle includes receiving by a motor controller, a desired speed sig...
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WO/2022/227631A1 |
Disclosed in the present application are a power device for an electric motor controller, and an electric motor controller. The power device for an electric motor controller comprises: a main box, which is divided, by means of a partitio...
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WO/2022/230689A1 |
Provided is a highly reliable power system. The power system (100) comprises a synchronous phase modifier (11) that has: an armature winding (11a) electrically connected to a power grid (P1); and a field winding (11b) that functions as a...
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WO/2022/226579A1 |
A method of electronic commutation of a sensorless brushless DC motor, the motor having a plurality of driving power transistors, the method including the steps of: (a) measuring the open phase voltages across at least one of the driving...
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WO/2022/224222A1 |
The technologies described and recited herein pertain to a permanent magnet motor having multiple voltage taps so that the motor may run in multiple configurations, e.g., a low-range and a high-range, and have multiple optimal operating ...
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WO/2022/222475A1 |
The present invention belongs to the technical field of power generation, power transformation or power distribution. Disclosed are a method and system for measuring a flux-switching electric motor rotor angle on the basis of linear Hall...
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WO/2022/226089A1 |
An induction motor assembly includes an induction motor, and one or more switches coupled to selectively inhibit the supply of power from a power source to at least one of a main winding and an auxiliary winding of the motor. A control c...
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WO/2022/217623A1 |
Disclosed are a small-capacitance power converter, and a grid-side electrical-energy quality control working method and a bus voltage suppression control method therefor. A power decoupling circuit is connected in series between a conven...
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WO/2022/217699A1 |
Disclosed in the present invention is a resistance-encountering stop control method for a single-phase asynchronous electric motor. The single-phase asynchronous electric motor comprises a controller and an electric motor, wherein the el...
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WO/2022/219794A1 |
This rotating machine control device comprises: a first inverter that applies an AC voltage to a three-phase winding of a first system of a rotating machine on the basis of a first DC voltage output by a DC power supply of the first syst...
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WO/2022/218266A1 |
Provided in the present application are a controller, an air conditioner and a high-voltage protection circuit. The controller comprises a first rectifier unit, a power source conversion unit, an HPS wiring terminal, a low-voltage contro...
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WO/2022/218736A1 |
A device for controlling an inverter/rectifier (20) able to be electrically connected to the stator electric winding (10) of a rotary electric machine (7) also comprising a rotor, especially for a vehicle, the device comprising: at least...
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WO/2022/219795A1 |
A rotary machine control device comprising: a first inverter that, on the basis of a first DC voltage, applies an AC voltage to a 3-phase winding in a first system in a rotary machine; a second inverter that applies an AC voltage to a 3-...
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WO/2022/211137A1 |
The present invention relates to a reciprocating switched reluctance motor-driven engine in which a crank shaft is rotated by the switched reluctance motor and which is configured to reciprocate according to the reluctance torque generat...
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