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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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JP2022092761A |
To provide a motor control unit and a motor control method that can perform control based on torque calculation with higher accuracy.A motor control unit performs drive control of a part to be driven through reduction gears with electric...
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JP7086268B2 |
A drive device includes a first inverter and a second inverter configured to respectively drive two rotary electric machines. Carrier signals for controlling the first inverter and the second inverter are set to be in mutually opposite p...
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JP7086214B2 |
The invention provides an electric motor control device that drives and controls a plurality of electric motors connected in parallel, the electric motor control device including: a power conversion device configured to convert power fro...
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JP2022089509A |
To provide a control apparatus that does not require arithmetic processing of phase currents.A control apparatus having a plurality of switching legs equipped with a pair of semiconductor switching elements comprising an upper arm and a ...
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JP2022088018A |
To provide a control device capable of protecting a servo amplifier from over-voltage.A control device (10) has: a first switch (a magnetic contactor 12a) between an external power source (PS) and a motor drive device (a serve amplifier ...
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JP2022082473A |
To provide a servo DC power supply system with low noise current through a DC bus.In a servo DC power supply system in which the power from a DC power supply is distributed and supplied to a plurality of motor control devices by a DC bus...
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JP7079111B2 |
To provide a technique capable of effectively suppressing a slip state of a vehicle.A vehicle travel control device comprises: operation amount detection means 10 for detecting an operation amount of a vehicle; vehicle state detection me...
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JP2022080685A |
To suppress a rotation of a loading from being unstable.In a motor control part 157, a fluctuation compensation unit 822 acquires a fluctuation component of a rotational speed of a loading from a FG signal indicating the rotational speed...
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JP7076141B2 |
The present invention achieves appropriate motion control without necessarily using a sensor that detects an output-side motion. This motion control device 1 is provided with an input-side motor 101, an output-side motor 106, and a compe...
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JP2022080187A |
To provide a power conversion device and a power conversion system capable of properly managing the braking strength against motor rotation.A control device performs inverter control processing with an inverter as a control target. In th...
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JP2022077605A |
To provide a two-inertia simulator that eliminates a need of axial torque detection means and arithmetic processing using its detection value, and can stably perform simulation at low cost.A two-inertia simulator comprises a simulated lo...
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JP2022076458A |
To provide a device including a plurality of load devices, that can satisfy the user's needs suitably.A power supply system is formed in a predetermined device to which power is supplied from an external power source system and includes ...
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JP7069894B2 |
A driving apparatus allowing two motors to drive a same driving shaft is provided. When a voltage command value is less than a predetermined threshold, a control unit outputs driving command values based on one control pattern such that ...
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JP7069326B2 |
There are provided a single inverter to generate a three-phase alternating-current voltage from a direct-current voltage; n motors connected in series to an output side of the inverter to generate power, n being an integer not less than ...
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JP2022072352A |
To enable reproduction of operation of a device and adjustment of parameters of motor shafts even in a case where a host master controller and all of slave shafts are not provided.A servo system X comprises: a motor control device 11 for...
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