Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 20,605

Document Document Title
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/2018/011170A1
The invention relates to a synchronous motor (1) comprising a permanent magnet rotor and a stator having three winding strands (2, 3, 4) which have a winding connection (U, V, W) and are connected to a star point (S) of a star circuit an...  
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/2018/011937A1
A position management apparatus (7) according to the present invention is provided with: motors (35, 45) which are connected to a power source (61) via a power source switch (63); position detection devices (71, 72, 62) which operate by ...  
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/2018/008633A1
[Problem] To provide an electric power steering device enabling the temperature of a coil to be estimated with high precision, considering not only a heat transfer phenomenon between respective phases of a multi-phase coil, but also a he...  
WO/2018/003500A1
Provided is an elevator control device with which unbalance torque after brake release can be estimated in a short amount of time and corrected, whereby startup shock and car rollback can be stabilized and reduced. The present invention ...  
WO/2018/001848A1
The invention relates to a method for testing a multi-phase connection cable (100) which connects a bridge circuit (104) to an electric motor (102), the method comprising a switching step, a measuring step and a detecting step. In the sw...  
WO/2018/001596A1
Method (100) and apparatus (220) for controlling an inverter (310). In order to supply an electrical machine (210), the inverter (310) converts an input voltage, in particular a DC voltage, from an energy source (230) into an output volt...  
WO/2017/220542A1
A brushless electric motorsystem having integrated power stages, said electric motor system comprising a rotor, a stator, a plurality of power stages, and a cooling system comprising a substantially flat hollow main cool body arranged to...  
WO/2017/220390A1
The invention relates to a method (300) and a device (170) for reducing mechanical loads in a powertrain (100). An electric machine (130) is provided as the drive assembly of the powertrain (100), and an inverter (110) is provided in ord...  
WO/2017/220234A1
The present invention provides control for synchronous machines in order to achieve an approximately constant torque irrespective of the load angle. The induced voltage of the synchronous machine rotating with a zero-current of the stato...  
WO/2017/216973A1
The present invention detects an electric current using a sensor, outputs a non-inverted output using a non-inversion circuit without inverting the detection value of the sensor, inverts a value identical to the detection value and outpu...  
WO/2017/211838A1
Brushless starter generator (1) comprising a main electrical machine (10) winding and an exciter (20) comprising a stator (21) that comprises a stator winding with a direct current (DC) and a stator winding with an alternating current (A...  
WO/2017/211487A1
In order to provide a method for limiting a torque of an electrical machine (200) which is fed by an at least single-phase converter (207) and is changed to an active short-circuit mode if the converter is controlled incorrectly and is c...  
WO/2017/211439A1
The subject of the invention is a method and a device for determination of a torsional deflection of a rotation shaft in the electromechanical drivetrain. The method according to the invention uses a current and voltage signals measureme...  
WO/2017/213182A1
An abnormality diagnosis device according to the present invention is provided with: a friction identification means 1 for calculating a friction parameter that is a parameter used to calculate the frictional force of a power transmissio...  
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/2017/211038A1
Disclosed are a motor resolver intelligent identification system, and a control method thereof. The system comprises: a motor resolver module (10), a resolver decoding chip (20), a first amplification circuit (30), a second amplification...  
WO/2017/208701A1
In order to obtain a motor control device which allows a filter to be easily adjusted to maximize a speed control band thereof, the device comprises: an oscillation instruction unit (103) which outputs an oscillation instruction signal; ...  
WO/2017/208682A1
In a shift range-switching system in which there is play between a motor shaft, which is the rotating shaft of a motor (10), and an output shaft to which the rotation of the motor is transmitted, a shift range-controlling device switches...  
WO/2017/203879A1
A control device that is supplied with power from a power generation unit and controls the driving of a motor, said control device having: a drive circuit unit that supplies current to the motor; a control unit that controls the drive ci...  
WO/2017/203776A1
[Problem] To periodically enable motor control software and an operating system to be respectively executed on the same processor. [Solution] A processor of the motor drive system comprises: first and second timers which output first and...  
WO/2017/203821A1
An opening/closing member control device (1) is configured so as to control the movement of an opening/closing member (3) on the basis of rotation of a motor (5) and detect sandwiching by the opening/closing member (3). The opening/closi...  
WO/2017/202676A1
The invention relates to a motor control assembly (30) for an electric machine (34) and to a corresponding method. The motor control assembly (30) has a current-measuring device (32) for determining current values (I), a memory device (3...  
WO/2017/199371A1
Provided is an electric motor control system for estimating the temperature of a resolver without using a sensor for detecting the temperature. The electric motor control system is provided with: at least one of an impedance change detec...  
WO/2017/195601A1
Provided are: a motor drive control device favorable for reducing the consumption of battery power used to detect motor rotation information when the ignition switch is off; an electric power steering device; and a vehicle. The motor dri...  
WO/2017/195301A1
A motor control device (10) for controlling a motor (20) that is equipped with a cooling device (21) is provided with: an acquisition unit (11) that acquires the temperature of the motor (20); a drive control unit (12), which drives the ...  
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/2017/187599A1
Provided are a failure determination device and a failure determination method, for a rotating machine control device, whereby failure of a sensor that detects the rotation position of a rotating machine can be detected during operation ...  
WO/2017/186906A1
The invention relates to an apparatus (4) for operating an electrical load (2), in particular an electric motor (3), having a supply connection (Ubat) which is connected/can be connected to an electrical energy source, having a load conn...  
WO/2017/187789A1
A shift range-controlling device for switching the shift range by controlling the driving of a motor (10) is provided with: a coasting determination unit (57) for determining whether or not the motor is in a free-running state in which t...  
WO/2017/187982A1
In order to provide a method for determining light load abnormalities in an electric oil pump with which erroneous determinations regarding light load abnormalities can be reliably prevented with an inexpensive configuration, the present...  
WO/2017/186392A1
Electric machine (100) comprising at least one first winding (110), a first inverter (120) connected to said at least one first winding (110), a second winding (160), and a second inverter (170) connected to the second winding (160). An ...  
WO/2017/183698A1
A system (100) is equipped with a dynamoelectric machine (12), a battery (10) connected to the dynamoelectric machine via wiring (16), and upper-limit value setting units (43, 46, 60) for setting an output upper-limit value, which is an ...  
WO/2017/183699A1
A system (100) is equipped with a dynamoelectric machine (12), a battery (10) connected to the dynamoelectric machine (16) via wiring, and upper-limit value setting units (43, 46, 60) for setting an output upper-limit value, which is an ...  
WO/2017/183919A1
An elastic driving device according to one embodiment may comprise: a driver which generates torque; a gear part which is connected to the driver and transmits the torque from the driver to the outside; and an elastic member having one e...  
WO/2017/183187A1
A control unit 22 of a motor control device is provided with: a position command generation unit 101 for generating a position command; a position control unit 110 for outputting a first speed command 111 so that a detected position foll...  
WO/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/179269A1
The purpose of the present invention is to provide an electric motor system such that loss of synchronism of an inverter-driven synchronous motor with no magnetic pole position sensor can be easily detected. In order to achieve the purpo...  
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/2017/174209A1
The invention relates to a drive, having an electric motor supplied with power by a converter, and a method for operating a drive, wherein the converter comprises an inverter having a DC voltage-side connection and an AC voltage-side con...  
WO/2017/175474A1
The present invention addresses the problem of providing a motor driving device that improves controllability and operation feeling over a range from low speed to high speed by comparing a torque target value (T1) corresponding to an ope...  
WO/2017/176401A1
A system (16A) that monitors a grounding voltage or current signal (24, 26) of a rotating shaft (18), and provides expert system logic (30) that compares (48) prior learned waveforms and models of baseline, fault, and degradation wavefor...  
WO/2017/174495A1
The invention relates to an electronic circuit (1) for detecting the current winding temperature of phase windings (10) and/or for detecting other characteristics of an electronically commutated electric motor (2) which is connected, or ...  
WO/2017/169082A1
The present invention predicts a sensor value with high accuracy even under application of an external force. The control device according to the present disclosure is provided with a prediction unit (260) which, for an actuator which ha...  
WO/2017/170317A1
The disclosed motor control device has: a PI controller that controls the speed of a motor; an input unit into which specification information that includes information about the weight of a tool and the center of gravity of the tool is ...  
WO/2017/164612A1
A wireless power receiver according to an embodiment comprises: a reception coil for wirelessly receiving alternating current power from a wireless power receiver; a rectifier for rectifying the alternating current power to direct curren...  
WO/2017/163609A1
This motor control device is provided with a coil temperature detection means (31), a cooling oil temperature detection means (32), and a control unit (24). The control unit (24) implements coil-protecting torque limiting and cooling oil...  
WO/2017/158861A1
This electronic control device is provided with first and second system inverter circuits which drive a multi-phase motor having first and second winding pairs by upper arm switching elements and lower arm switching elements that are sel...  

Matches 1 - 50 out of 20,605