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Matches 251 - 300 out of 14,003

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 (...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2022/187714A1
A stator defines multiple stator poles with associated stator windings. A rotor defines multiple rotor poles with associated rotor windings configured to be energized substantially by the stator. The rotor defines a rotor field energizab...  
WO/2022/186200A1
A driver that supplies drive power to a motor that comprises: an extraction unit that extracts some of the power supplied from outside; and a supply unit that supplies power extracted by the extraction unit, to an external device. The dr...  
WO/2022/179980A1
Disclosed is a converter (2) designed to be connected to an n-phase electric motor (4), wherein according to at least one operating parameter of the electric motor (4) or in order to set an operating mode of the electric mode (4), the at...  
WO/2022/180366A1
A method is described for determining an initial position of a rotor of a brushless motor. The method comprises determining a rise time difference for each of three different pairs of voltage vectors, and determining the initial position...  
WO/2022/180746A1
This electric motor drive device (200) comprises a boost circuit (3), an inverter (80), a connection switching device (60), and first and second control devices (8, 100). The boost circuit (3) boosts the voltage value of a bus voltage ap...  
WO/2022/179201A1
Provided are a voice coil electric motor (100), and a control method and control apparatus therefor. The voice coil electric motor (100) is composed of an inner coil module and an outer coil module, wherein the inner coil module is arran...  
WO/2022/175060A1
The invention relates to an electric machining device (10) comprising a housing (14), an output mechanism (122), an electric motor (12) for driving the output mechanism (122), and a switchover device (50). The electric motor (12) compris...  
WO/2022/176166A1
This motor control device controls a motor having the winding groups of two systems. The motor control device has a substrate (42) and sensors (71A, 71B) provided on the substrate (42) and configured so as to generate electrical signals ...  
WO/2022/175047A1
The invention relates to a switchover apparatus (50) for driving the windings (48) of an electric motor (12), wherein the electric motor (12) comprises a rotor (40) and a stator (42), wherein the stator (42) has three stator poles (44) a...  
WO/2022/175048A1
The invention relates to an electric motor (12) having a rotor (40) and a stator (42), wherein: the stator (42) has three stator poles (44), and each stator pole (44', 44'', 44''') has an integer multiple of stator teeth (46), each havin...  
WO/2022/176078A1
An electric motor drive device (2) is provided with: a connection switching device (60) for switching the connection states of windings (71, 72, 73) of a first electric motor by switching operations of switches (61, 62, 63); an inverter ...  
WO/2022/175059A1
The invention relates to an electric working device (10) comprising • a housing (14), • power electronics (36) for converting a first supply voltage (UH), in particular for mains operation, and at least one second supply voltage (UL)...  
WO/2022/172472A1
The present invention is a motor control device having a feedback system including a plurality of controllers to which a feedback signal related to the operation of a motor for a control shaft configured to bear a prescribed unbalanced l...  
WO/2022/166229A1
An iron core and magnetic circuit multiplexing redundant power driving system. A magnetic circuit multiplexed iron core of an iron core and magnetic circuit multiplexing electric motor can serve as a magnetic circuit multiplexing channel...  
WO/2022/168869A1
A control unit (1): determines that a contactor (9) is in open state on the basis of a voltage (Vdc) across a smoothing capacitor (4) and an electric current (Ib) flowing through a DC power source (6); when a rotational speed is greater ...  
WO/2022/168868A1
A control unit (1) of a rotary electric machine control system (100) determines: that an open failure has occurred in a first smoothing capacitor (41) if a difference between a first crest value (Ibpp1) of an electric current flowing thr...  
WO/2022/159227A1
Power based self-sensing of a rotor position of an SR motor at mid to high speeds and low torque is achieved by an SR motor control system by comparing the motor power to an injection maximum power. A position current pulse is injected t...  
WO/2022/153941A1
A motor control device (10) is provided with a first circuit (68), a second circuit (67), and a control unit (400). The first circuit (68) is a two-system power converter circuit for energizing a multi-phase motor (800) having two multi-...  
WO/2022/152885A1
The invention relates to a multipole motor stator (205), an electric motor (200), an electric motor driving system (100) and electric vehicles using multiple electric power sources (110, 120) that function at multiple voltage ranges. The...  
WO/2022/151609A1
The present invention relates to the technical field of power generation, power transformation, or power distribution, and disclosed in the present invention is a dual three-phase permanent magnet synchronous motor control method for alt...  
WO/2022/149956A1
The present invention relates to a motor capable of insulation diagnosis, a motor control circuit, and a method for diagnosing a motor using the motor control circuit, wherein the motor may comprise: a power supply; a voltage processing ...  
WO/2022/148849A1
The invention relates to a periodic electric motor, in particular a rotary periodic electric motor, comprising electrical switching means supplying each one of d poles with power only for a portion of a period. They absorb the current ac...  
WO/2022/144546A1
There is described a next-generation electronic magnetic gearing (eDTS) for an inverter drive for an electric vehicle including a primary firmware having an Al system to oversee all the operational aspects of the powertrain hardware and ...  
WO/2022/142310A1
A drive control circuit, a drive control method, a circuit board and an air conditioner. The drive control circuit is connected to a first power module and a second power module at two ends of an open-winding electric motor, the second p...  
WO/2022/134787A1
Provided is a stability control method for a permanent magnet assisted synchronous reluctance electric motor. On the basis of an original vector control method for a permanent magnet assisted synchronous reluctance electric motor, a volt...  
WO/2022/137612A1
A power conversion device comprising: a power converter for outputting a voltage that makes an output frequency variable to an induction motor; and a control unit for outputting a voltage command to the power converter, wherein the contr...  
WO/2022/133892A1
A permanent magnet synchronous motor MTPA control method and apparatus, a system and an electronic device. The method comprises: acquiring in real time a torque current setpoint output by a rotational speed regulator (S101); calculating ...  
WO/2022/137395A1
In the polyphase electric motor drive device of an embodiment, a first main circuit is connected to a first winding of a polyphase electric motor, and AC power is supplied to the first winding on the basis of a first pulse width modulati...  
WO/2022/139462A1
A linear transfer system and a control method therefor are disclosed. The control method for a linear transfer system according to the present invention comprises the steps of: having a rotor on a conveyor move by a first torque generate...  
WO/2022/140101A1
A system (102) and method for torque compensation in a switched reluctance (SR) machine (104) disposed on a machine (100) is disclosed. The system (102) may comprise a SR machine (104), an inverter (122) and a controller (124). The contr...  
WO/2022/136548A1
The invention relates to an electric rotary transformer (1) for transformer-based electric energy transmission. The rotary transformer (1) comprises a rotary transformer stator (3) which has a primary coil (2) and on which a transformer ...  
WO/2022/140102A1
A work machine (100) includes a frame (110), a traction system (120) supporting the frame (110), a power source (130) mounted on the frame (110), a switched reluctance motor (205), an inverter (220) configured to control power to the mot...  
WO/2022/131686A1
A motor control method according to an embodiment of the present invention comprises the steps of: in a brake mode of a motor, performing three-phase energization in a first range section of a motor rotation speed; performing two-phase e...  

Matches 251 - 300 out of 14,003