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Matches 101 - 150 out of 31,647

Document Document Title
WO/2018/047274A1
A motor drive device drives a single phase motor (12) by the power applied from a power supply (10) that is a storage battery, said single phase motor (12) being driven by a single phase alternating current. The motor drive device is pro...  
WO/2018/047236A1
A controller calculates a pulse width modulation signal of a two-phase modulation type. When the shortest pulse width of the calculated pulse width modulation signal is less than a set value, the controller corrects the calculated pulse ...  
WO/2018/042895A1
Provided are a control device and a control method for a rotary electric motor, which can reliably inhibit vibration of the rotary electric motor, as well as a rotary electric motor drive system. PWM control is performed on the rotary el...  
WO/2018/043501A1
This inverter control device according to one embodiment provides an electric motor driving system and an inverter control device that can achieve stable activation, the inverter control device comprising: a current detector 3 that detec...  
WO/2018/043502A1
This inverter control device according to one embodiment generates a current amplitude command so that the output torque of an electric motor conforms to a torque command, the inverter control device comprising: an inverter main circuit;...  
WO/2018/042729A1
Provided is a power steering device capable of suppressing a sudden change in steering force. This power steering device comprises: a steering mechanism which transmits the steering operation of a steering wheel to steered wheels; a firs...  
WO/2018/041685A1
The invention relates to a mechatronic assembly (2) for driving a body, which is designed to be connected to a continuous electrical power source (4) and an electronic control unit (1) comprising a computer for running a power-assistance...  
WO/2018/043480A1
The present invention provides a load driving circuit which is provided between a direct current voltage source and a rotating load, and which is provided with an impedance source and an inverter, wherein: the impedance source has a firs...  
WO/2018/037454A1
A motor drive device is provided with an inverter 5 and an inverter control unit 8. The inverter control unit 8 receives the input of a DC voltage detected between a DC power supply 1 and the inverter 5 and a current detected between the...  
WO/2018/036767A1
Electrical drive devices with an electrical machine and a plurality of inverters are already known, wherein the electrical machine comprises a rotor and a stator, wherein the stator has an electrical polyphase winding which comprises a p...  
WO/2018/036766A1
The invention relates to a control system for controlling an electrical machine by means of a plurality of converters. One of the converters is selected as a master converter. The other converters for controlling the electrical machine a...  
WO/2018/037981A1
[Problem] To provide an electric power steering device that has a plurality of dead time compensation functions that compensate inverter dead time and, without tuning work: switches dead time compensation functions and compensates, in ac...  
WO/2018/037980A1
[Problem] To provide an electric power steering device that has a plurality of dead time compensation functions that compensate inverter dead time and, without tuning work: gradually, by mixing, switches and compensates dead time compens...  
WO/2018/037523A1
In a general-purpose power conversion device there is a problem in that the edge interval increases and the update period for a command frequency increases when a pulse signal period increases. In order to solve this problem, this power ...  
WO/2018/029309A1
During the operation of a current converter (8) of an electrical machine (2), said converter comprising a bridge circuit (14) with a number of semiconductor switches (20) and comprising an intermediate circuit capacitor (12), in the norm...  
WO/2018/030143A1
The drive device comprises an electric motor, an inverter circuit, wiring for a multi-phase armature, a field circuit, an inverter control unit, and a field control unit. The field circuit is connected to a second end of a field winding ...  
WO/2018/030217A1
A failure detection device (70) is utilized in a system (10, 110) which comprises: a rotating electrical machine (30, 130) that is connected to an engine (20) such that motive power can be transmitted; an inverter (50) that performs powe...  
WO/2018/025416A1
A motor driving device (2), used in a motor (3), provided with a first three-phase coil (11) and a second three-phase coil (12), wherein said device is provided with a first inverter (4) connected to the first three-phase coil (11) and a...  
WO/2018/023892A1
A direct current drive method and system for an alternating current motor, and synchronous motor using the system. An ECU (5) is employed to control a direct current or alternating current power supply to sequentially supply power to set...  
WO/2018/024571A1
The present invention relates to an electrical household appliance with a power module with a dynamically controlled continuous and discontinuous space vector pulse width modulation (CSVPWM, DSVPWM) scheme. The present invention more par...  
WO/2018/025331A1
This motor driving apparatus is used for driving a motor 5 that has a first winding group 6 and a second winding group 7 to which a three-phase AC voltage is applied, and is provided with a first inverter 3 and a second inverter 4, where...  
WO/2018/025327A1
The purpose of the present invention is to obtain a servomotor control device capable of selectively reducing switching noise and switching loss with a simple circuit configuration. This servomotor control device 6 is provided with: an I...  
WO/2018/020657A1
A power converting device includes a first power converting circuit (3), a second power converting circuit (4), a first charge/discharge unit (1), and a second charge/discharge unit (2). The first power converting circuit (3) and the sec...  
WO/2018/020125A1
The invention relates to a method for controlling a rotating electrical machine controlled by at least one pulse width modulated control signal, characterized in that the control signal is frequency-modulated, the frequency of the modula...  
WO/2018/019386A1
The invention relates to a method for actuating a motor (16) for starting up a mill (6) with material (20) to be milled. In order to permit more cost-efficient starting up of the mill in comparison to the prior art, it is proposed that t...  
WO/2018/019944A1
The invention relates to a drive converter (11) for a switched reluctance machine (12) having a particular number of phase inputs (ph1, ph2, ph3, ph4), and to a system (13) comprising this drive converter (11) and the reluctance machine ...  
WO/2018/020694A1
This electric power steering device is provided with: a front wheel turning mechanism that is provided at the front wheels of the vehicle and that has a front wheel turning motor as a driving source; and a rear wheel turning mechanism th...  
WO/2018/021176A1
A sensor failure detection method is a method for detecting at least one failure of a plurality of sensors in a motor drive system, said method having: a step for executing a calculation (A) for determining a counter electromotive force ...  
WO/2018/016541A1
A motor control device having multiple control circuits and multiple motor circuits. The motor circuits are configured by means of an inverter circuit and a coil. The multiple motor circuits are controlled by any one of the control circu...  
WO/2018/014633A1
The present invention relates to the field of oil extraction engineering. Disclosed are an electric machine driving method and system for a non-conventional work mechanism of an oil extractor. The method proposes using a power frequency ...  
WO/2018/015398A1
The invention relates to a control apparatus for a refrigerator compressor having at least one two-phase AC asynchronous motor (K1, K2), having mains connection means (10) for connection to a preferably public voltage supply network whic...  
WO/2018/016090A1
A control unit of this vehicle driving apparatus controls a driver so as to complementarily switch the control state between a first control state where a first switch is turned off and a second switch is PWM-controlled and a second cont...  
WO/2018/016070A1
An inverter (40) converts a DC voltage from a DC power supply (12) to an AC voltage applied to a motor (15) in which no positional sensor is disposed. A current detection unit (50) detects motor currents (Iu, Iv, Iw) flowing through the ...  
WO/2018/016088A1
Disclosed is a drive system wherein, in the cases where an overcurrent of a driver is detected at the time when a motor is being driven, a control unit of the drive system controls a first switch and a second switch, which are in a first...  
WO/2018/012420A1
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 ...  
WO/2018/012419A1
After microcomputers (401, 402) are started, a ready signal transmission unit (622) of a second microcomputer (402) that is a "synchronization signal reception side microcomputer" transmits a ready signal indicating the completion of syn...  
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 ...  
WO/2018/012592A1
A rotary electric machine device equipped with a rotary electric machine (10) and full-bridge inverters (30, 40). The full-bridge inverters are equipped with first high-side switches (SUp - SWp), first low-side switches (SUn - SWn), seco...  
WO/2018/012417A1
A synchronization signal generating unit (411) of a transmission-side microcontroller (401) generates a synchronization signal which is synchronized with the drive timing of the local microcomputer and which allows synchronizing the driv...  
WO/2018/008372A1
Provided is a 6-line 3-phase motor that is capable of simultaneously achieving a high output and reduction of torque ripples. A 6-line 3-phase motor (100) is provided with: a stator (110) that has winding wires wound independently betwee...  
WO/2018/008936A1
The present invention relates to a system for applying a maximum driving efficiency point of a load, comprising: a motor for driving a load; an inverter for controlling the speed and voltage of the motor; a sensor unit for measuring magn...  
WO/2018/001511A1
The present invention relates to an electrical household appliance having multiple synchronous motors with multiple integrated power modules (IPM). The present invention more particularly relates to an electrical household appliance comp...  
WO/2017/221320A1
In this motor control method, applied voltage applied to a motor through an inverter is controlled by voltage phase control. This control method is provided with: a phase command value calculation step for calculating, on the basis of a ...  
WO/2017/220242A1
The invention relates to a circuit assembly (28) for supply-side connection to an inverter (8) of an electric machine (2), comprising a filter circuit (32) having at least one filter stage (30), wherein the filter stage (30) has an X-Y i...  
WO/2017/216959A1
A motor system (101) relating to the present invention is equipped with: a motor wherein a first wire-wound section (6) and a second wire-wound section (7) are provided, and the number of the wire winding turns of the second wire-wound s...  
WO/2017/218822A1
In a described example, an apparatus (800) includes: a FET driver circuit (812) configured to supply current to a coil in a stepper motor, the FET driver circuit (812) configured to regulate the current to the coil using a fixed delta cu...  
WO/2017/211735A1
A vacuum pump drive having an electric motor (12) and having a frequency inverter (16) electrically connected to the electric motor (12) and arranged remote from the motor, wherein a transformer (20) is arranged in the electrical feed li...  
WO/2017/214484A1
A motor control unit comprising an inverter, a fan to blow air and thereby cool the inverter, and an enclosure configured to maintain the inverter in a dry condition. The enclosure includes a back wall, a bottom wall having a ventilation...  
WO/2017/212585A1
A motor control device 100 is provided with the following: a rectifier circuit 2 that converts an alternating current voltage to a direct current voltage; and an inverter circuit 4 that converts the direct current voltage, which was outp...  
WO/2017/213073A1
This power output device is provided with: a field winding; a motor having a plurality of star-connected motor windings which are composed of three or more phases; a capacitor; an inverter circuit which is configured to perform power con...  

Matches 101 - 150 out of 31,647