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JP7172550B2 |
To provide a driving method and a driving device of a three-phase AC motor, which can smoothly switch operation of a plurality of three-phase AC motors only by electric control without using mechanical switching components.When a winding...
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JP7172522B2 |
To suppress ripple current of a frequency, which is six times as much as a frequency of output AC.A motor controller comprises: a first inverter; a second inverter; and a controller. The first inverter converts power of a DC power supply...
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JP7172952B2 |
A motor drive system includes a first actuator and a second actuator each functioning as a motor configured to output torque. Each of the first actuator and the second actuator includes a plurality of control calculation units and a plur...
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JP7170858B2 |
A load driving apparatus includes first and second motors (41, 42) that drive a plurality of loads on a one-to-one basis, and an inverter (4) that applies a common voltage to the first and second motors (41, 42). The first motor (41) is ...
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JP2022166340A |
To provide a motor controller capable of facilitating to quickly take action against unsafe conditions.A motor controller 1 includes a control unit 2, an input unit 6, and a determination unit 31. The control unit 2 controls a motor 7. T...
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JP7160011B2 |
To provide an induction motor initiation system which can reduce a starting current.The total capacity of a first induction motor M1 and a second induction motor M2 is the same as the load capacity of a pump 2. The capacity of the first ...
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JP2022161590A |
To provide a technique capable of properly driving a plurality of motors using an encoder signal.A plurality of motor units 1071, 1072 includes DC motors 1051, 1052 and encoders 1061, 1062 of the DC motor, respectively. Drive control mea...
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JP7157589B2 |
The present invention provides a control device for detecting an abnormal operation state of a compressor in a parallel refrigerator. The control device is a control device for a refrigerator that includes a plurality of compressors conn...
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JP7155653B2 |
A driving device includes: a first motor that transmits power to a rotation shaft of a conveyance roller for conveying a paper sheet; a second motor that transmits power to the rotation shaft of the conveyance roller; and a motor control...
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JP2022158957A |
To provide a redundant vehicle ADAS system and a vehicle.An advanced driving support system ECU includes a plurality of systems, a first system motor control ECU master and a first system advanced driving support system ECU master are co...
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JP2022156909A |
To provide a moving body that is configured to estimate necessary torque of a shaft for driving the moving body which is required in a moving track, on the basis of information on the moving track and determine whether or not it is neces...
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JP2022154665A |
To provide an electric vehicle capable of favorably controlling torque distribution of right and left wheels in turning by a single inverter without providing step-up/step-down pressure converter between a motor and the inverter.An inver...
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JP7152238B2 |
This robot control device is a control device to control the movement of a robot having a plurality of motors that respectively drive a plurality of shafts and for which output differs depending on the shaft. The robot control device com...
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JP7150137B2 |
This motor drive device is provided with: an inverter (4) connected to a first motor (41) and a second motor (42) which have a permanent magnet in a rotor and driving the first motor (41) and the second motor (42); and current detection ...
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JP2022149075A |
To provide an actuator that can reduce the displacement of a cylindrical member immediately after an output shaft starts a linear motion.The actuator includes: an output shaft; a cylindrical member of which relative rotation with the out...
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JP2022144938A |
To provide a motor drive system capable of accurately estimating the rotation speed of a motor without being affected by the length of a secondary time constant of the motor in free-run restart.A motor drive system that free-runs and res...
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JP2022141061A |
To achieve sensor recognition processing with a plurality of servo drivers when the servo drivers are included in a servo system.A servo driver is configured to drive a first motor and communicably connected with the other servo driver, ...
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JP2022141529A |
To simplify a signal line to reduce the burden on and cost of wiring work in a complex control system including a plurality of drivers.Drivers and electric motors included in a plurality of control mechanisms and a control unit are conne...
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JP2022139075A |
To provide a drive circuit of a double lock motor capable of extending long life of a brush motor.A drive circuit of a double lock motor consists of a H-bridge circuit consisting of a first half-bridge circuit 15 and a second half-bridge...
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JP2022139925A |
To provide a technique to reduce a time lag from when a failure occurs until when all motors are stopped independent of a communication cycle between a motor controller and a host controller.A motor control system comprises: a host contr...
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JP2022137360A |
To suppress an increase in noise.A motor control device includes N inverters that controls N motors connected via power cables on the basis of PWM signals, and a phase control unit that determines the phases of N carrier signals used to ...
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JP2022135024A |
To realize torque vectoring control with a simple configuration.A power control device controls AC power in a first mode when a vehicle directly advances, and controls AC power in a second mode when a vehicle turns. In the first mode, th...
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JP2022133767A |
To protect an actuator when a terminal connected with the actuator is short-circuited with a power line having voltage higher than power supply voltage for driving the actuator.An abnormal stop unit (S110 to S130, S150, S170 to S180, S20...
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JP7136122B2 |
[Problem] To provide a mobile body, and a conveyance robot, which can suppress distortion in orientation and movement even when a disturbance occurs in rotating body control. [Solution] This mobile body is provided with a base, a first a...
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JP7135769B2 |
A motor drive device controls driving of a plurality of motors that rotate a common drive shaft, and includes: a motor drive device that outputs the same drive power to each motor of the plurality of motors, and includes a motor drive co...
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JP7132842B2 |
To provide a drive device including a plurality of electric motor assemblies capable of appropriately and automatically setting a frequency jump band.A drive device includes a first electric motor assembly 1A and a second electric motor ...
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JP7124696B2 |
A synchronous control device (10) comprises: a spindle control unit (11a); and a driven shaft control unit (11b) including a driven shaft command position variation suppression unit (114) for generating, in a case where the sign spindle ...
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JP7124761B2 |
A technique enables control parameter adjustment with a more accurate estimated inertia ratio for multiple servomotors. An adjustment support apparatus (9) supports adjustment of inertia ratios as control parameters for servo drivers (5,...
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JP7125195B2 |
To suppress torque fluctuation even when the degree of the torque fluctuation changes according to a motor rotation.A determination portion (20) determines a rotational speed difference of each of motors (M1 and M2), a speed difference f...
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JP2022121874A |
To suppress influence on a power system by suppressing an increase of an activation power when starting a variable-speed increasing gear.A variable-speed increasing gear comprises: an electrically-driven apparatus; a speed change gear; a...
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JP7121599B2 |
The present invention is provided with: a robot arm (4) having a plurality of joints including a first joint (7) and a second joint (8); a first joint drive unit (9) having a first speed reducer (13)and a first motor (11) that rotates th...
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JP2022119590A |
To provide a control device for an inverter capable of suppressing the generation of noise due to the overlapping of plurality types of frequencies while suppressing the reduction in efficiency and suppressing deterioration of functional...
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JP7118274B2 |
A drive device (100) includes a power converter (2), a magnetic pole position identification unit (5a), a magnetic pole position identification unit (5b), a subtractor (8), and a current control unit (6). The power converter (2) supplies...
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JP2022116852A |
To quickly and effectively suppress fluctuations in rotation of a plurality of motors that drives a common object to be driven when controlling the drive of the motors.A motor drive control device 1(1B) is a motor drive control device th...
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JP7114705B2 |
There are provided an inverter connected to n (n being as integer not less than 2) motors each including a rotor having a permanent magnet and capable of driving the n motors, and a connection switching device to switch a connection stat...
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JP7113939B2 |
A drive system (100) includes a current detection unit (4a) that detects a current flowing to a main synchronous motor (1a), and a current detection unit (4b) that detects a current flowing to a secondary synchronous motor (1b). The driv...
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JP2022113020A |
To provide an electric motor rotation speed control device and a rotation speed control method which detect a rotation state of a wheel such as idling or locked state with high accuracy and control rotation of the wheel according to the ...
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JP2022111673A |
To properly drive a sun-roof device and a shade device with a simple configuration.A first motor 61 rotates forward and a sunroof device is driven to open by turning on a second switching element E2 in a first arm 71 and a first switchin...
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JP2022109679A |
To provide a motor control device and a motor control method which enable motor efficient torque distribution to be selected with a simple configuration.A motor control device comprises a calculation section and a motor control section. ...
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JP7107007B2 |
A drive device includes a first motor, a second motor, and circuitry. The first motor includes a first rotation detector and is configured to rotate a driven shaft to apply a driving torque to the driven shaft. The second motor includes ...
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JP7107269B2 |
To efficiently adjust the torque balance.For two servo motors that drive two axes of a load machine that has members that are mechanically connected to two parallel axes, the member positioning control is executed by servo control for bo...
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JP2022107926A |
To properly protect a switching element from overheat when a motor is locked.An electric vehicle 1 switchable between two-wheel drive and four-wheel drive has upper limit torques set in a second MG 22 always driving front wheels 80 and a...
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JP7105961B2 |
In a motor driving apparatus having an inverter which can drive n (n being an integer not smaller than 2) motors each having a permanent magnet in its rotor, and a connection switching device for switching the connection state of the n m...
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JP7101307B2 |
This brake control apparatus has: a first motor control device that includes a first motor, a first power element, and a first arithmetic element, and controls a braking force of a first wheel; and a second motor control device that incl...
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JP2022101435A |
To provide a motor controller that can avoid deterioration of the insulation performance of an insulating coating without using a boost converter even when a voltage applied to a motor exceeds a partial discharge start voltage.A motor co...
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JP2022099027A |
To provide a device driving apparatus and a device control system that facilitate construction of a system without needing to set an ID for each instrument.A device driving apparatus drives a device, and includes: two transmission/recept...
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JP7094435B2 |
A motor control device includes: a power converter to which a first motor and a second motor are connected in parallel, the power converter being configured to convert a direct-current voltage into an alternating-current voltage and supp...
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JP2022097864A |
To satisfy a requirement that a docking device should be remodeled in order to increase a power supply capacity because a conventional docking device cannot sufficiently supply power to a linear actuator when a power supply capacity of a...
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JP2022096956A |
To provide a control device for an induction motor that drives a bridle roll that enables stable operation even when there is an abnormality in speed feedback data.A control device according to an embodiment includes a speed corrector th...
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JP2022096154A |
To provide a power supply circuit, used for driving a motor for an industrial robot, capable of safely stopping a robot when a power failure or emergency stop occurs and capable of lowering a secondary voltage of the power supply circuit...
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