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WO/2022/126286A1 |
A polyphase linear induction motor including a movable primary member (100), the primary member (100) including a magnetic material (110), a polyphase winding (120) arranged around the magnetic material, and a stationary longitudinally-e...
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WO/2022/126287A1 |
A polyphase linear induction motor including a movable primary member (100), the primary member (100) including a magnetic material (110), a polyphase winding (120) arranged around the magnetic material, and a stationary longitudinally-e...
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WO/2022/128076A1 |
An arrangement (2) for electric power conversion and dual electric drive, a system comprising the arrangement (2), a method (12) of operating the arrangement (2), and a computer program for carrying out the method (12) are provided, whic...
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WO/2022/127167A1 |
Disclosed in the present invention is a method for suppressing low-speed noise of a single-resistor sampling permanent magnet synchronous motor, comprising the following steps: (1) determining the minimum sampling time Tmin according to ...
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WO/2022/120772A1 |
A magnetic field orientation correction method and apparatus for a permanent magnet synchronous motor, an electronic device, and a computer-readable storage medium. Said method comprises: calculating a first value of a power factor angle...
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WO/2022/124156A1 |
A rotation angle estimation device (40) comprises an estimation unit (52) that estimates the rotation angle (θest) of a rotation electrical machine (10). The rotation angle estimation device: calculates, on the basis of an estimated rot...
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WO/2022/117437A1 |
A linear resonance scanning apparatus (100) comprises an electromagnetic drive unit (132) comprising a coil (140) wound about a core (138), the electromagnetic drive unit (132) having a field output end (134). A linear motion bearing ass...
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WO/2022/117372A1 |
The disclosure relates to a converter (101) for driving an electric machine whose stator windings are changeable to be in a low-speed configuration or in a high-speed configuration having less series connected turns than the low-speed co...
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WO/2022/113732A1 |
This motor control device controls an AC motor by sensorless control that does not use a rotor position detector. This motor control device includes: an inverter that converts a direct current to an alternating current on the basis of a ...
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WO/2022/113930A1 |
A superconducting rotating machine comprising: a stator which includes a tubular stator core and a stator winding wound around the stator core and which generates a rotating magnetic field; a superconducting rotor which is held on the in...
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WO/2022/112713A1 |
The invention relates to an actuating device (12) of a fuel pump (20) for an aircraft engine (18), the actuating device (12) comprising a motor (24), a generator (26) and an electrical connection member (27), the motor (24) being an asyn...
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WO/2022/113550A1 |
A drive circuit (1) comprises three arms (10) connected in parallel to a first input terminal (61) and a second input terminal (62) of a power supply (6). Each of the three arms (10) is formed of a series circuit of a first semiconductor...
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WO/2022/110351A1 |
The embodiments of the present invention disclose a method for controlling overstroke of a linear motor, said method comprising: acquiring the maximum target acceleration value of the linear motor; acquiring a time domain threshold of th...
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WO/2022/110259A1 |
A vibration generation method and apparatus, a vibration control method and system, an electronic device, and a storage medium. The vibration generation method comprises: step S22, identifying an audio beat in an audio signal; step S24, ...
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WO/2022/110555A1 |
The present invention provides a method and apparatus for suppressing torque ripple of a permanent magnet synchronous motor. The method comprises: respectively performing proportional integral on a first quadrature-axis component and a f...
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WO/2022/107135A1 |
A method for controlling a synchronous motor that has a stator and a rotor, comprising: correcting the frequency, phase, and values of the motor's feeding voltages, as well as the value of its magnetic flux as a function of the angle bet...
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WO/2022/102146A1 |
In the motor drive device according to the present invention: in a first drive system, a first power supply circuit and a first central processing unit are arranged on a substrate in the stated order in a first direction; in a second dri...
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WO/2022/099861A1 |
A permanent magnet synchronous motor parameter measurement method, where maximum torque per ampere and vector control are performed on a permanent magnet synchronous motor, causing the permanent magnet synchronous motor to stably and nor...
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WO/2022/100371A1 |
Provided in the present invention is a permanent magnet synchronous motor sensorless compound control method for a novel dual sliding mode observer. The present invention designs two sliding mode observers, one of which provides a novel ...
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WO/2022/099637A1 |
Phase shift compensation and phase current reconstruction methods, a chip, an electronic device, and a storage medium, relating to the technical field of phase current sampling. The phase shift compensation method comprises: obtaining Ta...
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WO/2022/100932A1 |
The invention relates to an apparatus for determining a temperature of a rotor of an electric machine. The apparatus comprises an interface and a computing device. Input variables which are dependent on the operation of the electric mach...
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WO/2022/097325A1 |
One first connector head 21A and one second connector head 22A face each other, in a plan view of a connector terminal assembly 19, with an axial line of an output shaft 12, which is an axial line of a motor rotary shaft of an electrical...
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WO/2022/095575A1 |
The present invention provides a motor driver, and a motor speed control method and control system. The motor driver comprises: a communication module, used for obtaining an operation mode instruction; a control module, connected to the ...
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WO/2022/097319A1 |
Ａ stator (1B) has first system stator coils (U1, V1, W1) and second system stator coils (U2, V2, W2), each of which receives power supply from an inverter module (21). A fuse module (22) has two fuse circuit elements (32) which corresp...
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WO/2022/091339A1 |
This driving system (1) comprises a motor (M1), a power conversion unit (11), and a control unit (12). The motor (M1) is a reluctance motor that rotates by receiving the supply of power. The power conversion unit (11) has a plurality of ...
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WO/2022/083384A1 |
The present application discloses an electric tool, comprising: a motor, comprising a stator winding and a rotor rotating around a stator; a speed regulating mechanism, at least used for setting a target rotating speed of the motor; a dr...
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WO/2022/085673A1 |
This shift device comprises: a motor driving circuit; a motor driver unit for driving the motor driving circuit; a control unit that controls the motor driver unit; a motor power supply path; a system power supply path; and a voltage ste...
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WO/2022/086281A1 |
The present invention relates to an electric toothbrush comprising: a toothbrush head in which a plurality of conductive bristles and at least one electrode receiving a driving signal are disposed; a handle part connected to the toothbru...
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WO/2022/079947A1 |
A system for controlling an operation of an induction motor (IM). A controller processor detects a spectrum of a current signal from received sensor data using a module. Obtain a number of rotor bars and a number of pole pairs of the IM ...
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WO/2022/074360A1 |
A method of controlling a brushless permanent-magnet motor having a phase winding and a rotor, includes applying voltages of first and second opposing polarities to the phase winding when the rotor is oscillating about a parking position...
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WO/2022/067918A1 |
A nonlinear signal system construction method. The method comprises: obtaining an excitation signal, performing a discrete trigonometric function transform on the excitation signal, and obtaining a discrete transform function after the d...
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WO/2022/064510A1 |
The present invention discloses about a six phase stator winding (220) scheme of a motor (200) that has reduced MMF harmonics characteristics. The stator winding (220) has two sets, i.e a first set (305) and a second set (310) of three p...
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WO/2022/066295A1 |
Disclosed are various techniques operating a linear resonant actuator (LRA). In some aspects, a method for operating an LRA includes generating an LRA control signal having a period, the period having an active portion and a high-Z porti...
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WO/2022/059551A1 |
A switched reluctance (SR) motor (10) is provided with a stator (11) having windings (25) in a plurality of phases, a rotor (12) capable of rotating relative to the stator (11), and a rotation angle sensor (13) for detecting the angle of...
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WO/2022/057010A1 |
A method for suppressing a thrust ripple of a linear motor, a related device, and a medium. The method comprises: obtaining a mapping relationship I0X between a current and position data corresponding to a thrust ripple of a linear motor...
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WO/2022/057625A1 |
The present invention relates to the technical field of magnetic suspension thin-sheet switched reluctance machines, and discloses a three-suspension pole magnetic suspension thin-sheet switched reluctance machine, comprising a stator an...
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WO/2022/056976A1 |
A method for restraining a thrust ripple of a linear motor, a related device, and a medium. The method comprises: acquiring mapping relationships IaX and IbX between position data and two groups of currents of a linear motor (101); acqui...
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WO/2022/056977A1 |
A method for suppressing the thrust fluctuation of a linear motor, and a related device and a medium. The method comprises: acquiring a mapping relationship between a positioning detection current corresponding to a positioning force of ...
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WO/2022/060461A1 |
An example system includes a first surge protection module configured to receive a command signal; a motor control module configured to receive: (i) the command signal from the first surge protection module, and (ii) an enable signal, wh...
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WO/2022/056981A1 |
A method for suppressing a thrust ripple of a linear motor, and a related device and a medium. Said method comprises: acquiring a mapping relationship NI between thrust and current of the linear motor; and acquiring a mapping relationshi...
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WO/2022/059615A1 |
The present invention delays the start of current limitation within a range in which a low heat-resistant component inside an ECU does not exceed the limit of heat resistance or durability due to a temperature rise without performing ins...
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WO/2022/054181A1 |
A motor drive device comprising switches that have a mechanical switching contact. The motor drive device connects the switching contacts of these switches, between the other ends of each phase winding of the motor. The current paths bet...
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WO/2022/050406A1 |
Dynamo-electric machine control devices (1 to 3) comprise: pre-adjustment d-axis current command calculation units (43, 53); d-axis current command calculation units (45, 155, 255); and feedback control units (47, 48, 59, 60). The pre-ad...
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WO/2022/049889A1 |
A motor having a first terminal and a second terminal to which a single-phase alternating current is to be input, the motor comprising: a third terminal; an AC/DC converter for converting the single-phase alternating current into a direc...
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WO/2022/049026A1 |
In order to control the movement of a transport unit of a linear motor, a quality function J(SG) with quality terms JTk(SG) is used as a function of manipulated variables (SG) of the active drive coils (4), and the quality function J(SG)...
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WO/2022/050016A1 |
Provided is a rotor of a rotary electric machine in which a plurality of magnets are disposed in the circumferential direction, said rotor including a first rotor and a second rotor which are adjacent in the rotation axis direction of th...
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WO/2022/045400A1 |
The present invention relates to a motor driving device, and a vehicle having same. The motor driving device according to an embodiment of the present invention comprises: a motor; and an inverter for outputting alternating-current power...
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WO/2022/041712A1 |
Disclosed in the embodiments of the present application is an audio signal drive motor circuit. The circuit comprises: an audio processing module, an audio power amplifier and a motor, wherein the audio processing module is electrically ...
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WO/2022/042028A1 |
A high-frequency signal driving motor circuit. The circuit comprises an audio processing module (101), a motor driver (102) and a motor (103), wherein the audio processing module (101) is electrically connected to the motor driver (102) ...
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WO/2022/037003A1 |
Provided is a transient current planning method for an ultrahigh-speed permanent magnet synchronous motor to improve a speed regulation response capability, relating to the field of ultrahigh-speed permanent magnet synchronous motor cont...
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