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Patent Searching and Data


Matches 201 - 250 out of 31,963

Document Document Title
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...  
WO/2017/212911A1
[Problem] To provide a motor control device, an electric power steering device equipped with same and a vehicle, the motor control device being capable of size and cost reduction when the driving of a motor having two-system windings is ...  
WO/2017/208730A1
Provided is a motor control device that controls a motor appropriately by accurately detecting, without detection error, a current offset amount included in a detection value of a direct-current bus current. This motor control device com...  
WO/2017/208938A1
A motor control device includes a chopper unit, a driver unit, and a control unit. The chopper unit has a chopper switching element, and is capable of operating so as to generate current that includes a rectified sine wave waveform. The ...  
WO/2017/203690A1
A motor control device (100) is provided with: a drive circuit (3) that can freely switch between output of a first voltage value (V1) and output of a second voltage value (V2) which is lower than the first voltage value (V1), the drive ...  
WO/2017/202530A1
The invention relates to a method for improving a starting process of an internal combustion engine (300) by means of a belt-driven starter generator (100), which has a stator winding (11) and a rotor winding (12), wherein the starter ge...  
WO/2017/203236A1
A unit for installation in a complex product comprising an electric machine requiring an AC power supply. The unit comprises: a housing carrying an AC output; a battery in the housing comprising at least one battery cell; an inverter in ...  
WO/2017/199719A1
The electric powered work machine in one aspect of the present disclosure is provided with: a main conduction path; a drive unit provided with a motor and at least one first semiconductor switching element; a control unit; a bypass condu...  
WO/2017/199302A1
An electric motor is provided with: a stator; a rotor provided rotatably with respect to the stator; and a drive circuit board having a power IC for applying a drive voltage to the stator and a control IC for generating a PWM signal for ...  
WO/2017/199357A1
This electronic control device has multiple system circuits, all of which are provided with mutually independent power shutdown means, such that in response to the detection of an abnormality, an abnormal system circuit is shut down by t...  
WO/2017/186259A1
In order to improve a method for selecting a frequency converter for a coolant compressor unit, comprising a coolant compressor and an electric drive motor, in such a way that the frequency converter is selected in an application-optimis...  
WO/2017/186319A1
The invention relates to a method for switching off a polyphase electrical machine (110) in a motor vehicle, wherein the polyphase electrical machine (110) has a rotor with a rotor winding (101) and a stator with a polyphase stator windi...  
WO/2017/187542A1
The present invention is provided with: the same number of inverter modules 6-8 as the number of phases of an electric motor; and an inverter control unit 4 which generates pulse width modulation (PWM) signals for driving the inverter mo...  
WO/2017/187576A1
This motor drive device is provided with: the same number of inverter modules as the number of phases of a motor 15; and a control unit 5 which generates pulse width modulation (PWM) signals for driving the inverter modules 2, 3, 4 by wa...  
WO/2017/183656A1
A motor 10 pertaining to an embodiment is equipped with: a rotor 30 having a rotor core 31 and multiple permanent magnets 32 arranged along the outer periphery of the rotor core 31; and a stator 20 having multiple windings 21. Each of th...  
WO/2017/183179A1
This electric motor drive device comprises: a compressor motor power conversion device that supplies power to a compressor motor; a fan motor power conversion device that supplies power to a fan motor; a booster device that applies boost...  
WO/2017/182129A1
The invention relates to a drive system comprising an intermediate circuit busbar which comprises at least one first current busbar adapter part on which two tab portions are arranged at a distance from each other, in particular also tab...  
WO/2017/181578A1
An electric motor controller and an ECM electric motor applying same. The electric motor controller (2) comprises a microprocessor, an inverter circuit, a gear detection circuit and a power supply section, wherein an output end of the po...  
WO/2017/183274A1
This electric motor drive device comprises: a compressor motor power conversion device that supplies power to a compressor motor; a fan motor power conversion device that supplies power to a fan motor; a booster device that applies boost...  
WO/2017/181091A1
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit that receives power from the first EMI filter and limits an amount of current ...  
WO/2017/179337A1
This shift range control device switches shift range by controlling the drive of a motor (10). The shift range control device comprises a feedback control unit (52) that performs position feedback control on the basis of a target angle d...  
WO/2017/181071A1
A drive includes an inverter power circuit that applies power to an electric motor of a compressor from a direct current (DC) voltage bus. A power factor correction (PFC) circuit outputs power to the DC voltage bus based on input alterna...  
WO/2017/178744A1
The subject matter of the present invention is a method for diagnosing a control fault in a three-phase electric motor current-controlled by a control signal. The method makes it possible to calculate (E5) the actual dead time present in...  
WO/2017/175681A1
An electrical motor device according to the present invention is provided with a control unit. The control unit is configured to adjust the ratio of transformation by adjusting the ratio between a first time period, in which all upper-ar...  
WO/2017/175381A1
An electric power steering device provided with a plurality of power supply circuits, wherein the plurality of power supply circuits have a second power supply circuit for the CPU in a control unit, and a first power supply circuit for o...  
WO/2017/175466A1
Provided is a motor drive device capable of suppressing current consumption and increase of cost without delaying the start-up time. The motor drive device is provided with multiple inverter circuits, multiple relay circuits, multiple po...  
WO/2017/167493A1
The invention relates to a method for the current control of a pulse-width-modulated converter for an electric machine, particularly a pulse-width-modulated inverter connected to the electric machine. The machine and the inverter have a ...  
WO/2017/172315A1
A motor controller configured to control different types of electronically commutated motors (ECMs) includes a range of different rotor orientation signal inputs to accommodate differences between ECM motor types. The motor controller in...  

Matches 201 - 250 out of 31,963