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WO/2018/140905A1 |
A motor drive and method of controlling a motor are provided. The motor drive includes a controller generating a motor reference voltage; a DC bus providing a DC voltage having a ripple; an inverter including power switches operable to c...
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WO/2018/139098A1 |
An article transferring device (100) capable of transferring an article (10), comprising running rails (110), a primary-side fixed element group (120) and a drive power source (130) all disposed along a prescribed path, and a first trans...
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WO/2018/138846A1 |
With the present invention, obtained are an electric drive device and an electric power steering device with which it is possible to improve output while suppressing the occurrence of irreversible demagnetization of a permanent magnet du...
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WO/2018/129819A1 |
An electronic pole changing-based induction motor control system and a control method thereof. The induction motor control system comprises an induction motor, an inverter, and a direct current power supply. The inverter is connected to ...
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WO/2018/131318A1 |
[Problem] To enable a large torque to be output and facilitate constant output characteristics through field weakening. [Solution] A motor is provided with: circumferentially disposed stator windings SW; a rotor Rot having rotor magnetic...
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WO/2018/131646A1 |
Provided is a rotating electric machine comprising a stator and a rotor. The rotor includes a magnetic field core, a magnetic field winding, and a permanent magnet. The magnetic field core includes a boss, a disc, and claw-shaped magneti...
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WO/2018/126560A1 |
A method for driving a linear resonant actuator, and a terminal, for use in accurately obtaining a resonance frequency of the linear resonant actuator, thereby driving the linear resonant actuator by using a driving signal having the res...
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WO/2018/115404A1 |
A drive system (10) for a traction vehicle comprises a fuel powered motor (12); a generator (16) driven by the fuel powered motor (12), the generator (16) being adapted for generating a multi-phase AC current, when driven by the fuel pow...
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WO/2018/117286A1 |
The objective of the present invention is to provide a compressor that is applied to a refrigerator without a cycle matching capability or a refrigerator without a control unit and can control the driving of a linear motor by itself, in ...
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WO/2018/115406A1 |
The invention relates to a drive system (100) having the following: a three-phase motor (10) which has the following: a shaft (11), a first three-phase stator winding (12) that is to be connected to a three-phase alternating voltage grid...
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WO/2018/110242A1 |
This control device (40) is for a rotating electrical machine (10) which is capable of performing a powering operation and a power generation operation. During the powering operation, inverter circuits (INV1, INV2) convert DC power suppl...
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WO/2018/108353A1 |
The present disclosure relates to an excitation system (1-1) for a synchronous machine, comprising: a plurality of coil groups (7a-7c) connected to each other, forming a field winding of a rotor of a synchronous machine, and a plurality ...
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WO/2018/111200A1 |
The object of the invention is a drive for multiple permanent magnet synchronous motors-PMSM with a series connection to one frequency converter (inverter). The invention is characterized in that individual phase windings of the motors M...
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WO/2018/102872A1 |
A controller for an AC electric motor, the controller including: a power converter driving the AC electric motor; a feed forward converter that derives voltage values provided to the power converter; and a load model unit configured to d...
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WO/2018/012420A9 |
An ECU (motor control device) (101) is provided with multiple motor drive circuits (701, 702) and with multiple microcomputers (401, 402). The microcomputers (401, 402) operate on a microcomputer power supply generated by a power supply ...
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WO/2018/104754A2 |
A method of controlling a switched reluctance motor is disclosed herein. The motor comprises a stator carrying a plurality of phase windings and a rotor. The method comprises activating the phase windings in a sequence selected to apply ...
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WO/2018/100392A1 |
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...
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WO/2018/100393A1 |
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...
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WO/2018/099701A1 |
The invention relates to a method for switching off a current-excited synchronous machine of a motor vehicle comprising a rotor (R) and a stator (S) and supplied by means of power electronics, wherein the rotor (R) is supplied via an exc...
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WO/2018/097685A1 |
The present invention relates to a rotatable camera device capable of efficiently moving a camera module to an initial position in an initializing operation. The rotatable camera device according to the present invention comprises: a cam...
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WO/2018/095868A1 |
Integrated electric gear and charger system for battery powered electric vehicles An integrated electric gear and charger electronic system for battery powered vehicles is provided. The electric gear comprises a first plurality of switch...
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WO/2018/096614A1 |
A motor drive device (100), used to drive a motor provided with a plurality of winding groups constituting a three-phase winding. The motor drive device (100) is provided with a switching unit (3) for switching the connection of the wind...
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WO/2018/091682A1 |
An electrical converter (12) with at least two output phases comprises a rectifier (28) and a thyristor-based inverter (34) interconnected by a DC link (30) with an inductor (32), wherein the thyristor-based inverter (34) comprises a hal...
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WO/2018/092210A1 |
A rotating electric machine control device is configured so that when a switching element cut-off failure determination unit determines the failure of a switching element cut-off switching unit, the output torque that is to be generated ...
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WO/2018/092261A1 |
A UVW-phase inverter circuit (110) and an XYW-phase inverter circuit (120) for controlling a motor having a plurality of UVW-phase and XYZ-phase winding groups receive inverter control signals (Su-Sz) for the respective phases. The inver...
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WO/2018/087917A1 |
When outputting a voltage application command to a three-phase winding of one system, a motor control device sets proportional constants for a d-axis and a q-axis using respective Ld and Lq as parameters. When outputting voltage applicat...
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WO/2018/088467A1 |
This rotary electric device control device (10) controls driving of a rotary electric device (80) having multiple coil sets (81, 82), and is provided with multiple drive circuits (120, 220) and multiple control units (131, 231). The cont...
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WO/2018/088465A1 |
This rotary electric device control device (10) controls driving of a rotary electric device (80) having multiple coil sets (180, 280), and is provided with multiple drive circuits (120, 220) and multiple control units (131-136, 231-236)...
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WO/2018/088602A1 |
The present invention relates to a 2-phase outer ring switched reluctance motor, which is suitable for use as a low-speed and high-flow rate fan: causes a difference in electrical angle of 180° when two armatures are fitted and coupled ...
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WO/2018/088432A1 |
[Problem] To provide an electric power steering device capable of estimating coil temperatures more accurately for a polyphase motor, with consideration also given to a heat-transfer phenomenon between a control board and coils in additi...
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WO/2018/084093A1 |
[Problem] To generate desired rotational direction torque regardless of rotor position and to improve starting characteristics of a reluctance motor. [Solution] This motor system comprises a reluctance motor and a circuit connected to th...
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WO/2018/078843A1 |
An electric motor drive device drives an electric motor (2) having stator windings and is provided with: a wire connection switching unit (3) having circuits (31-33) that are connected to the stator windings and include semiconductor swi...
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WO/2018/079671A1 |
Provided is a driving control apparatus that can control relaxation of a force in an actuator. The driving control apparatus is provided with: a driving control means for controlling driving of the actuator in accordance with a driving c...
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WO/2018/078839A1 |
This electric motor driving device is for driving an electric motor (2) having stator windings, and comprises: a connection switching unit (3) that has relays (31-33) serving as mechanical switches connected to the respective stator wind...
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WO/2018/078842A1 |
An air conditioner is provided with: a compressor (114a) for compressing a refrigerant used in a refrigeration cycle; a converter (123) for generating a DC voltage; an inverter (126) for generating a three-phase AC voltage from the DC vo...
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WO/2018/078837A1 |
This driving device is provided with an inverter (30) that operates an electric motor capable of performing switching between star connection and delta connection, wherein when a current, detected by a winding current detection element (...
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WO/2018/078835A1 |
This air conditioner (5) is provided with: a signal receiving unit (56) which receives an operation instruction signal; a rotary compressor (8) which has a motor (1) with a coil (3); an inverter (103) which is connected to the coil (3); ...
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WO/2018/078838A1 |
This drive device (100a) is used together with a rotary compressor (8) provided with an electric motor (1) having a coil (3), and drives the electric motor (1). The drive device (100a) comprises: an inverter (103); a connection switching...
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WO/2018/076477A1 |
A motor (100) comprising: an excitation stator part (10); an excitation rotor part (20), the excitation rotor part (20) being provided in the radial direction of the motor (100) at an interval to the excitation stator part (10) and arran...
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WO/2018/076937A1 |
A voice coil electric motor (30) control method and system, and a controller (10). The voice coil electric motor (30) is electrically connected to a drive circuit (20) and is mechanically connected to a displacement sensor (40), and the ...
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WO/2018/078845A1 |
This drive device (100) drives an electric motor (1) having a coil (3). The drive device (100) is provided with a connection switching unit (60) which switches the connection state of the coil (3), a temperature sensor (54) which detects...
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WO/2018/078849A1 |
Provided are an electric motor driving device and an air conditioner capable of improving efficiency in a low-speed range where an electric motor rotates at a low speed. An electric motor driving device (100) is for driving an electric m...
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WO/2018/078840A1 |
This drive device (100) drives an electric motor (1) having a coil (3). The drive device (100) is provided with a converter (102) which generates a bus voltage, an inverter (103) which converts the bus voltage to an AC voltage and suppli...
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WO/2018/073869A1 |
A motor drive device 2 according to the present invention drives a single-phase motor 12 and is provided with: a single-phase inverter 11 for supplying an AC voltage to the single-phase motor 12; and a control unit 25 for generating a PW...
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WO/2018/074122A1 |
A switched reluctance (SR) motor control system 10 comprises an SR motor 1, a drive circuit 2 provided with field-effect transistors (FETs) 31–34 that adjust the energization timing of an excitation coil 4 of the SR motor 1, and an ene...
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WO/2018/071752A1 |
A surface cleaning apparatus includes an upper portion having a handle and a suction motor and a surface cleaning head pivotably connected to the upper portion. The surface cleaning head includes a vacuum inlet fluidly coupled to the suc...
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WO/2018/070004A1 |
This electric power steering apparatus has two sets of control units that drive a motor having two sets of independent winding wires, wherein power is supplied by a single power supply connector, a conductive member connected to a termin...
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WO/2018/070339A1 |
Provided is a linear motor control device with improved precision with respect to estimating the resonance frequency immediately after startup; also provided is a compressor equipped with this linear motor control device. This linear mot...
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WO/2018/070005A1 |
This electric motor drive device (100) drives an electric motor (10) that has a winding structure in which a first multi-phase winding and a second multi-phase winding are wound. The electric motor drive device (100) comprises: a first d...
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WO/2018/066290A1 |
In order to provide a motor control device for controlling the starting of a motor wherein the rotor of the motor can be caused to rotate more reliably in a desired rotational direction when the motor is started, this motor control devic...
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