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JP6382160B2 |
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JP6380432B2 |
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...
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JP6383524B2 |
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JP2018133894A |
To provide a motor controller capable of exactly performing drive control of an electric motor without increasing the number of ports of a microcomputer.A motor controller is provided with: a first drive circuit 110 to a fourth drive cir...
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JP6377985B2 |
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JP6378343B2 |
A power converting apparatus for vehicles according to an embodiment controls a plurality of AC motors for vehicle traveling set on a motor setting table. The power converting apparatus includes a plurality of inverter circuits and a plu...
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JP2018127956A |
To provide a technology suitable for achieving reduction in abrasion of a rotary shaft and a bearing while restricting an electric current or torque of a compressor.When an absolute value of torque of a compressor motor 101 or an amplitu...
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JP2018127855A |
To enable a withdrawal from a locked state easily even when a shield machine falls into a locked state.A controller of a shield machine according to an embodiment is a controller of a shield machine for controlling a shield machine havin...
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JP6372572B2 |
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JP6373801B2 |
A door mirror control device supplies drive voltages to respective lock detection sections in left and right door mirrors. If motors are driven in accordance with the drive voltages, the door mirrors are operated from one of a retracted ...
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JP2018125911A |
To cancel an unnecessary motor sound other than a motor sound to be corrected in a method for finding out an optimal drive condition while measuring motor sounds in order to reduce noise of a device in which multiple motors are integrate...
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JP6369732B2 |
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JP2018521271A |
To control a variable speed drive unit or a differential drive unit at the time of starting the main drive unit in a variable speed drive system in which wear of the main transmission is maintained to a minimum. It is an object of the pr...
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JP6367846B2 |
A servomotor controller includes a first and a second converter circuit that perform conversion between AC power of a power supply and DC power, a first inverter circuit that performs conversion between the DC power on the DC side of the...
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JP6365736B2 |
A motor control system 1 includes a motor controller 20 to control a motor 30. An upper-level communication path 80 connects an upper-level communication port 24A of the motor controller 20 to an upper-level controller 10 that sends an i...
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JP6365054B2 |
To optimize control in accordance with the category of abnormality in an electric system, thus securing both the protection of equipment and the travel performance in an evacuation travel.An electric system of an electric vehicle include...
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JPWO2017061088A1 |
This servomotor includes a first main body and a second main body that are configured to be relatively rotatable with respect to each other. In the second main body, communication information is modulated by a pulse period and is in oppo...
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JP6360087B2 |
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JP6360013B2 |
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JP6356709B2 |
A motion controller has an axis control part and a communication control part. The motion controller includes: a control function storage part that stores a control function received from a higher-level control device by the communicatio...
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JP6354344B2 |
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JP6352655B2 |
An apparatus includes at least one energy source 102 and a drive system 106 coupled to the at least one energy source 102. The drive system 106 converts electrical power received from the at least one energy source 102 and provides conve...
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JP2018098966A |
To provide a motor drive device which can improve energy efficiency of an electric automobile and a hybrid vehicle which travel by using a plurality of motors as power sources.A motor drive device includes: first and second motors 3a, 3b...
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JP6345289B2 |
The present invention relates to a system for controlling rotational speed on a rotating process machine, which for example is a turbine or a propeller, where the rotating process machine is connected to at least one motor and arranged t...
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JP2018093724A |
To provide a vehicular controller capable of promptly detecting occurrence of abnormality in a low speed range, and a railway vehicle having the vehicular controller.A vehicular controller 4 includes an inverter 6 which converts DC power...
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JP6342079B2 |
An inverter control device includes at least one inverter main circuit, at least one current detector, a voltage detector 13 that detects a DC voltage between DC bus lines, and an inverter control unit 15 that generates PWM signals to pe...
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JP2018085949A |
To efficiently use energy of a battery in an electric working machine using the battery as a power supply.An electric working machine 1 uses a battery 20 as a power supply. The electric working machine has a work motor 8 for driving a wo...
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JP2018085891A |
To provide a motor driving device which can perform a backup operation in a stable state even when a short-circuit failure occurs in a motor of a vehicle or a motor driving circuit.A motor driving device has: first and second motors 3a a...
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JP6331225B2 |
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JP2018082580A |
To provide a controller for an electric motor that enables a carrier device to stably operate.A controller comprises: electric motor control circuits 63a-63e as many as electric motors 49a-49e; and a master control circuit 64 which outpu...
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JP6327141B2 |
To provide a technology that is on an electric vehicle comprising a voltage converter and an inverter and makes it possible to perform a short-circuit check using counter-electromotive force of a motor even when the counter-electromotive...
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JP6328173B2 |
In an inverter system including a plurality of inverters according to one embodiment of the present invention, a method of controlling the plurality of inverters in which one inverter among the plurality of inverters is set as a communic...
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JP6326853B2 |
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JP6324687B2 |
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JP6323939B2 |
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JP6319519B1 |
The motor control device 2 according to the present disclosure is configured to control the motors # 1 to # 3, is connected in series under the motor control device 2, and has the position information of the motors # 1 to # 3 or the moto...
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JP6322428B2 |
An objective of the present invention is to provide a motor drive apparatus comprising a plurality of motor drive units whose output capacities are different which can suppress a voltage drop between a drive circuit board and a power sou...
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JP6320343B2 |
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JP6320036B2 |
A motor control method performed by a controller includes monitoring a motor load of at least one of a plurality of motors including a first motor and a second motor driven by one common power source having a protection circuit, wherein ...
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JP2018068007A |
To provide a vehicle including two motors for respectively driving left and right drive wheels and two inverters for respectively driving the two motors, with a novel technique for suppressing temperature rises in the two motors and two ...
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JP6311596B2 |
A motor driving system includes an offset value learning part, which learns offset values of current sensors, when all switching elements are in off-states and a motor driving circuit is in an off-state, in which the motor driving circui...
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JP6308852B2 |
A driving apparatus is disclosed which has a movable part, a measuring device measuring a position of the movable part, two actuators respectively generating two thrusts which have a common axis of action thereof with respect to the mova...
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JP2018050419A |
To provide a failure detection device which enables rotation of a motor to be continued even when a drive unit fails and an unmanned airplane comprising the failure detection device.A failure detection device 20 comprises: a first switch...
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JP6302298B2 |
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JP6301594B2 |
The present invention relates to a multi-set switched DC electric machine having conduction ring and brush and having its rotary part of electric machine being installed with an auxiliary excitation winding set, which is served to be dri...
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JP6292208B2 |
Using an estimated electric angle calculated by an electric angle estimation unit, a PWM control unit controls an output of a motor generator (MG2) having an abnormality of a resolver. The electric angle estimation unit converts, into an...
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JP6293884B2 |
While motors or generators stacked in series may allow for higher operating voltages, such motors or generators may also exhibit instability. To minimize instability, the motors or generators may be controlled to have an approximately eq...
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JP2018034676A |
To provide a power steering device that can inhibit sudden change in steering effort.A power steering device increases an output sharing rate of one of a first coil group 11a and a second coil group 11b of an electric motor 11 and reduce...
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JP6287329B2 |
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JP6287756B2 |
A brushless motor for an electric power steering device that assists a steering operation includes: a stator having a plurality of winding sets for a plurality of systems respectively; and a rotator having a ferrite magnet. In the motor,...
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