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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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WO/2022/209472A1 |
This linear motor transport system 100 comprises a carrier 10 to which a linear scale 14 and a reference mark 16 are fixed, a linear motor 12 that moves the carrier 10 along a route D, a plurality of sensors 18 arranged along the route D...
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WO/2022/203818A1 |
The present invention provides a multi-phase control of an electric machine for providing virtual pole changing using multiphase control. The electric machine comprises a rotor having a multiplicity of conductive elements, and a stator h...
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WO/2022/199216A1 |
Disclosed is a control method for vector field weakening of a permanent magnet synchronous motor for a vehicle. The method comprises a current closed-loop adjustment module, a modulation ratio deviation calculation module, a current inst...
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WO/2022/199217A1 |
Disclosed in the present invention is a vector control method for a vehicle permanent magnet synchronous electric motor based on direct current power. The method comprises a current closed-loop adjustment module, a modulation ratio devia...
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WO/2022/199218A1 |
Disclosed in the present invention is an MTPA curve search method for a vehicle permanent magnet synchronous motor performed on the basis of direct current power. The method comprises a current closed-loop adjustment module, a current co...
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WO/2022/193696A1 |
Provided in the present application are a gear control circuit for an alternating current motor and a system. The gear control circuit comprises: a plurality of controllable switches; a detection unit, which is used for detecting an on-o...
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WO/2022/195772A1 |
This motor drive device (100) comprises: an inverter unit (10) that supplies an AC current to a motor (40) having a plurality of stator windings; a connection switching unit (30) that is arranged between the inverter unit (10) and the mo...
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WO/2022/190582A1 |
A motor drive device (3), which drives a motor (2) comprising a winding set (13A) and a winding set (13B) that are electrically independent, comprises: an inverter (21A) that outputs a three-phase alternating current to the winding set (...
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WO/2022/190720A1 |
Provided are a single-phase induction motor control method, a control device, and an electric chain block that make it possible to properly determine a motor overload, even in a state where the single-phase induction motor is repeatedly ...
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WO/2022/189310A1 |
Linear electric motor (1) comprising a stator (3) comprising a plurality of stator segments (3a, 3b, …3n) and a drive system comprising at least one pair of drive units (4), a first drive unit (4a) of said pair connected to a first sta...
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WO/2022/192210A1 |
Systems and methods for track vehicle control are provided. In one embodiment, a method comprises: receiving a steering control signal; inputting a first rotation signal from a first encoder representing a rotational frequency and phase ...
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WO/2022/185343A1 |
The embodiments herein provide a multitude of single-phase Switch Reluctance Motor (SRM) arranged in a suitable fashion in order to achieve uniform torque with complete material utilization. The embodiment herein also provides a series o...
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WO/2022/185831A1 |
This motor system comprises a motor driver (21), a plurality of motors, a supply switch unit (31), an output control unit, a switching control unit, and a driving force reduction suppression unit. The supply switch unit (31) switches a c...
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WO/2022/187715A1 |
A stator defines multiple stator poles with associated stator windings. A rotor defines multiple fixed rotor poles with associated teeth with a ferromagnetic material. The fixed rotor poles have associated rotor windings configured to be...
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WO/2022/186057A1 |
An armature winding (700) for a rotating electric machine has two electrically-independent winding systems. An armature winding (701) of the first system is disposed closer, in the radial direction, to a field magneton than an armature w...
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WO/2022/186199A1 |
A motor to which electric power is supplied from an external driver via a power line, the motor being provided with an extraction unit for extracting a portion of the electric power supplied to the motor from the driver, and a supply uni...
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WO/2022/185342A1 |
The embodiments herein provide a system and method of managing the inductance in switched reluctance motor (SRM) in order to deliver the required torque at base and higher speeds thereby improving the performance of the motor efficiently...
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