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Patent Searching and Data


Matches 101 - 150 out of 15,662

Document Document Title
WO/2017/179236A1
A motor control device of an embodiment comprises: multiple magnetic pole position estimation parts for estimating magnetic pole positions of multiple motors; vector control sections for performing vector control for the multiple motors ...  
WO/2017/170441A1
A rear-wheel drive device (1) is equipped with a first electric motor (102A) and a second electric motor (102B), each of which comprises an electric motor body and a rotational state quantity detection device. The relative positions of t...  
WO/2017/169408A1
A multijoint robot system of the present invention is provided with a first motor, first electromagnetic brake, second motor, second electromagnetic brake, switch, direct-current voltage source, first diode, and back electromotive force ...  
WO/2017/159595A1
Provided is a drive control device for an independent wheel drive-type vehicle with which it is possible to inspect all phases prior to vehicle travel for an abnormality in an electric current sensor without addition of a circuit for ins...  
WO/2017/158944A1
The present invention enables mutual relationships among operation statuses of each motor to be ascertained without using synchronous serial communication between multiple motor control devices. The motor control system (100) is equipped...  
WO/2017/159472A1
This multiaxial motor control system is for controlling motors by a multi-shaft machine having a plurality of shafts, and is provided with a plurality of motor control devices and a controller. The controller is connected to the pluralit...  
WO/2017/152084A1
A Light Electric Vehicle (LEV) (10, 20) includes two motors (24a, 24b) and independent control of each motor. The two motors have different drive ratios (for example, gearing (26) or pulley/sprocket (28) ratios) or different efficiency v...  
WO/2017/145377A1
Provided is a variable speed accelerator that comprises an electric device that generates rotational drive force and a transmission device that changes the speed of the rotational drive force generated by the electric device and transmit...  
WO/2017/145350A1
A variable-speed speed increaser equipped with an electric device and a gearbox, wherein; the gearbox comprises a sun gear, planet gears that engage with the sun gear, an internal gear that engages with the planet gears, a planet gear ca...  
WO/2017/145367A1
Provided is a variable speed accelerator that has a constant speed electric motor (51) that has a constant speed rotor (52) that makes a constant speed input shaft (Ac) of a transmission device (10) rotate in a first direction. The varia...  
WO/2017/137324A1
A synchronisation system (28) for at least two pulse-width modulated electrical traction converters (14a, 14d) comprises a first controller (18a) adapted for switching a first traction converter (14a) with pulse width modulation based on...  
WO/2017/106216A3
A system may include a prime mover configured to provide mechanical energy to the system by spinning a shaft. The system further includes a synchronous AC generator mechanically coupled to the shaft, and an exciter mechanically coupled t...  
WO/2017/122562A1
Provided is a steering device which allows continued safe travel in the event of a fault during automatic steering control. The steering device is equipped with an electric drive device composed of a plurality of systems of electric moto...  
WO/2017/122420A1
Provided are an in-vehicle device control method and an in-vehicle control device with which it is possible to suppress radiation noise generated when a plurality of loads are driven simultaneously to respectively operate a plurality of ...  
WO/2017/109848A1
Disclosed is a power conversion device wherein: a first inverter converts a voltage between both the electrodes of a first capacitor into an alternating current voltage, and outputs the alternating current voltage to a compressor motor; ...  
WO/2017/106216A2
A system may include a prime mover configured to provide mechanical energy to the system by spinning a shaft. The system further includes a synchronous AC generator mechanically coupled to the shaft, and an exciter mechanically coupled t...  
WO/2017/098555A1
Provided is an AC rotating machine control device capable of on/off-controlling a non-failed set of switching elements in consideration of a state of an AC rotating machine concerning a failed set of windings. For a failed set of switchi...  
WO/2017/094423A1
The objective of the present invention is to provide a control device capable of suppressing trajectory misalignment due to deviation between the response delay times of a plurality of axes (a plurality of servomotors). In this control d...  
WO/2017/089712A1
System for controlling the electrical supply of an electric automotive vehicle furnished with at least two electric traction machines (3,5), each supplied by an inverter (2,4), the inverters (2,4) being connected to one and the same cont...  
WO/2017/081528A1
This invention relates to a method and a device for bringing a textile machine to a controlled standstill in the event of a failure of the power supply, and to a correspondingly equipped textile machine, the textile machine having at lea...  
WO/2017/073184A1
The present invention is provided with: feedback control units for generating feedback torque commands for each of a plurality of motors on the basis of deviation between desired-vehicle-speed signals for feedback and speed signals from ...  
WO/2016/065119A8
A method includes selecting a link voltage based on voltage efficiencies of components in an electric drive motor system, and applying the link voltage to an inverter electrically coupled to a drive motor to increase system efficiency.  
WO/2017/063800A1
The present invention relates to a method for determining rotor position in a system (10) comprising multiple electric machines (20, 30, 40) which transfer their torque to a common drive (50), comprising the steps: detecting the rotor po...  
WO/2017/063753A1
The invention relates to a system comprising electric motors and to a method for operating a system comprising mechanically coupled electric motors. Each electric motor has a rotatably mounted rotor shaft, and the rotor shafts of the ele...  
WO/2017/063834A1
The invention relates to an arrangement for detecting an electrical line interruption during operation of a drive system (20) comprising two DC motors (21, 41) which are connected in parallel and are mechanically coupled to one another v...  
WO/2017/042889A1
The present invention is provided with: a rectifying circuit that rectifies an alternating current voltage supplied from an alternating current power supply; a boost circuit that boosts a direct current voltage that has been rectified by...  
WO/2017/038317A1
Provided is a seatbelt motor drive control device with which the number of switching elements used for motor driving can be reduced to no more than three for one motor. This seatbelt motor drive control device is equipped with multiple m...  
WO/2017/037939A1
This starting method is for a variable speed accelerator provided with an electric device that generates rotational drive force and a planetary gear transmission device that changes the speed of the rotational drive force generated by th...  
WO/2017/039656A1
Various embodiments include a variable frequency drive motor control apparatus. The apparatus includes a main controller having a first interface. A motor controller is coupled to and controls an electric motor, the motor controller furt...  
WO/2017/038308A1
A two-stage screw compressor 2 is provided with a first-stage compressor body 4, a second-stage compressor body 6, and a control device 8. The first-stage compressor body 4 is driven by a first motor 12, the rotation speed of which is ca...  
WO/2017/037934A1
This starting method is for a variable speed accelerator provided with an electric device that generates rotational drive force and a transmission device that changes the speed of the rotational drive force generated by the electric devi...  
WO/2017/037940A1
The present invention relates to a control method for a variable speed electric motor system provided with an electric device (50) and a planetary gear transmission device (10), said electric device (50) being provided with: a constant s...  
WO/2017/018206A1
The present invention drives motors to rotate in mutually opposite directions and performs control so that the mutual difference in rotational positions of the motors is equal to or less than a prescribed value.  
WO/2017/019546A1
Systems and methods of controlling a power supply signal delivered to an electronic device (109) are provided. In one exemplary embodiment, a method performed by a controller (101 ) for controlling a power supply signal delivered to an e...  
WO/2017/011568A1
A sensor housing system is used to monitor the lifetime of a motor or other device. A protected housing shields a microprocessor and several sensors. The device communicates to a user information about the health of the motor or other de...  
WO/2016/201950A1
Disclosed is a master-slave control method for a belt conveyor driven by multiple motors, wherein motors of one driving portion are regarded as a group. Operation parameters of each motor in the group are acquired, and one or more of tor...  
WO/2016/194903A1
The door mirror control device supplies drive voltages (VD) to lock detection circuits (24) for right and left door mirrors, respectively. The door mirrors move from either a closed position or an open position to the other position by b...  
WO/2016/187894A1
An inverter having an expandable and combinable power module comprises a microprocessor, a power module and a drive circuit. The power module is connected to the microprocessor via the drive circuit, and the microprocessor drives the pow...  
WO/2016/185590A1
A multi-shaft mechanical device simulator comprises: a connection information-setting means for inputting connection information that represents connection relationships between element models; a physical parameter-setting means for sett...  
WO/2016/172742A1
The invention relates to a power train comprising a drive shaft (2) of a working machine (1, 38), a drive machine (4, 42) and a differential gear (3, 7 to 9, 40) with three drives or power take-offs, wherein one power take-off can be con...  
WO/2016/173191A1
Disclosed is a centralized control system for multiple electrical motor drives, comprising a plurality of independent electrical motor drive modules, a power supply module, an interface control microprocessor, a communication module, and...  
WO/2016/170661A1
A multi-axis control system setting adjustment support device having a setting adjustment function for setting and adjusting control parameters to be set for servo amplifiers of a multi-axis control system that has multiple axes, wherein...  
WO/2016/159872A1
A method of arrangement of centralized network motion controller (10) employing centralised topology having a plurality of remote units as system architecture comprising the steps of : (i) providing, using synchronised messages, all syst...  
WO/2016/155818A1
The present invention relates to a converter circuit for driving a first brushless DC electric motor and a second brushless DC electric motor of an electrical household appliance, the converter circuit comprising a first motor unipolar i...  
WO/2016/143534A1
A drive control unit, which is configured with redundant motor drive control systems so that a motor having two winding groups can be controlled for each winding group to be individually driven, has: an inverter substrate on which are fo...  
WO/2016/132610A1
Provided is a ship propulsion system such that an increase in the size of a main engine can be minimized. The ship propulsion system (1) is equipped with: main generators (10A, 10B, 10C) that supplies power to the interior of a ship; a p...  
WO/2016/127484A1
A mechanical parallel modularization combined electric drive system adopting a battery as energy, comprising at least one electric drive unit and a controller, wherein the electric drive unit is respectively connected to the controller t...  
WO/2016/125267A1
A drive device is provided with: a plurality of main motors, the sum of the rated capacities of which is set to the capacity corresponding to a load and which are used for performing the main operation in cooperation therewith; one or a ...  
WO/2016/119948A1
The invention relates to a method for jointly controlling asynchronous machines (2; 3) of a motor vehicle (1) having a first asynchronous machine (2) and a second asynchronous machine (3) for driving the motor vehicle (1); an inverter (4...  
WO/2016/100991A1
The invention relates to a drive train comprising a drive shaft (2), a drive machine (4), and a planetary gearbox (3) having three drives and three outputs, wherein one output is connected to the drive shaft (2), one drive is connected t...  

Matches 101 - 150 out of 15,662