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JP6681554B2 |
To achieve a washing machine motor drive device that can reduce noise by generating a sound wave with an opposite phase to the noise in the washing machine motor drive device to perform a sensorless inverter drive of a motor.The washing ...
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JP2020058113A |
To provide a power supply system in which a fluctuation of a current in a capacity-type battery generated while the capacity-type battery and a power-type battery are connected with each other via a current wire can be minimized.The powe...
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JP2020048410A |
To mitigate a physical or processing-related cost in a motor control system.An upper communication path (80) of a motor control system (1) connects an upper communication port (24A) of a motor control device (20) for controlling a motor ...
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JP6673347B2 |
Provided is an electrical working machine allowing control of low-speed rotation to be easily achieved compared to prior art. Any one of a plurality of different types of storage batteries with mutually different rated output voltages ca...
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JP6671191B2 |
To achieve proper operation of a workpiece processing device in terms of effectively utilizing energy using a plurality of servomotors.An automatic lathe system 1 (a workpiece processing device) comprises two main spindles 21a and 31a fo...
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JP6671988B2 |
To prevent that the torque of drive wheels at the outside of a turn becomes small compared with torque at the inside, and to prevent that a turn is disturbed by a torque difference between the inside and outside of the turn caused by a m...
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JP6672128B2 |
Electric power equipment such as a lawn mower is provided with a travel unit driven by a travel motor for propelling the equipment, a work unit driven by a work motor to perform prescribed work such as cutting grass as the equipment trav...
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JP2020041540A |
To provide a method for reducing the pulsation level in a multi-compressor plant in which each compressor of a plurality of compressors is driven by each motor.The method manages to reduce the pulsation level by starting a first motor 11...
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JP2020043715A |
To enable an optimum adhesive force to be stably obtained depending on the state of a wheel and a rail, in idling and skid control of the wheel.A control apparatus 1 for an electric motor vehicle comprises: a power converter 11 that gene...
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JP6669787B2 |
A motor drive device includes a power conversion unit configured to selectively execute a converter operation of converting AC power into DC power, and an inverter operation of converting DC power into AC power for motor driving, a power...
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JP6664138B2 |
Motion control of a robot arm (106) is performed via a reducer (105) connected to a motor (103). A controller (101) thereof includes thrust control means (302) that generate a motor position command value based on an input thrust command...
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JP6666108B2 |
To provide a device which can give a motion to a target under simple control and may become a mechanical element presenting a function of a joint in a general-purpose manner.A driver comprises: a first pedestal for fixing a target; a sec...
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JP6662834B2 |
A controller of the present invention for a drive mechanism which is driven by a plurality of motors includes a position command calculation unit and a torque command calculation unit, the position command calculation unit delivers a com...
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JP6662835B2 |
In a controller of the present invention that controls a drive mechanism driven by a plurality of motors, when a state where the output of the motors is zero shifts to a state where the output is non-zero such that a preload torque is pr...
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JP6653542B2 |
One motor control apparatus provided by the disclosure ensures performing a synchronous control of three or more motors, and sufficiently decreasing a synchronization error between the motors. The motor control apparatus performs drive c...
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JP6653080B2 |
Provided is a control device for a crane capable of simultaneously performing a hoisting motion and a traverse motion and moving a suspended load along an arbitrary trajectory to avoid a collision with an obstacle. A hoisting device for ...
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JP6652691B1 |
An object of the present invention is to provide an electric motor drive device including an inverter capable of preventing reflection of current and voltage by obtaining impedance matching even under the influence of surrounding conduct...
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JP2020027542A |
To provide a controller capable of operation at optimized acceleration and deceleration rates in a process line where a plurality of motors are used.A controller according to an embodiment includes: an input part which inputs information...
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JP6651004B2 |
The purpose of the present invention is to obtain a control board for an air conditioner, said control board being capable of detecting and preventing erroneous connection between a connector of a fan motor, and a connector of a motor dr...
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JP6649418B2 |
A motor drive system includes a converter configured to convert power between AC power in a power source and DC power in a DC link, an inverter for drive configured to convert power between the DC power in the DC link and AC power servin...
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JP6649478B2 |
Provided is an electric-powered vehicle in which a motor can be driven with a more appropriate torque value for a given situation. This electric-powered vehicle is provided with an electric motor that drives a vehicle wheel, and a contro...
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JP6649715B2 |
To avoid influence of switching noise on A/D conversion even when a plurality of PWM control periods are different.A motor controller for a washing machine, according to an embodiment, includes a plurality of motor drive circuits and a p...
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JP6646260B2 |
A hybrid vehicle including a front motor (3) for driving front wheels, a rear motor (5) for driving rear wheels, and a step-up converter (15) for stepping-up the voltage from a battery (8) and supplying power to the front motor (3), in w...
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JP6645407B2 |
A drive system includes a first inverter electrically connected to a first AC rotating electrical machine, a second inverter electrically connected to first end sides of phase coils constituting a second AC rotating electrical machine, a...
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JP2020024272A |
To achieve the smooth operation while avoiding cost increase and mechanical restrictions due to the use of an encoder when driving a common load with a plurality of motors, and efficiently drive the load by balancing the plurality of mot...
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JP2020025407A |
To smoothly operate multiple motors which rotate a common drive shaft while avoiding increase of cost or mechanical restriction and efficiently drive the multiple motor while balancing them when driving and controlling the motors.A motor...
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JP6640805B2 |
An amplifier selection device includes: a storage means for storing a database containing information pertaining to motor models, amplifier capacities and feature amounts; a means that obtain information of motor models necessary to conf...
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JP6636991B2 |
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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JP2020014357A |
To perform PWM control of multiple DC motors, by connecting a space between a CPU and a motor drive circuit with fewer serial interfaces.A motor drive circuit having a plurality of energization control units for switching an energization...
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JP6632642B2 |
A sheet conveyance apparatus includes a stacking unit having a sheet, a feeding unit, a conveyance roller to convey a sheet fed by the feeding unit, a motor to drive the conveyance roller, a phase determiner, first and second controllers...
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JP2020010596A |
To provide a driving device for a cooling fan module including a controller, a first motor, and a second motor.The controller includes: control means configured to receive a control instruction; and motor driving means electrically conne...
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JP6629817B2 |
A motor control device is equipped with a command receiving unit adapted to receive a movement command and a first control period of the movement command from a numerical controller, a command generating unit which, on the basis of the f...
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JP6628953B1 |
The motor drive system (300) includes a motor drive device (200a, 200b) and a controller (125). The motor drive device (200a) drives the motor (100a, 124) based on a drive command generated by the control unit (23). The motor drive devic...
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JP2020005458A |
To provide an induction machine eccentricity detection system capable of detecting, in real time, whether or not an induction machine is in an eccentric state.An induction machine eccentricity detection system 1 comprises: an inverter un...
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JP2020005398A |
To provide a control method for a motor system and a motor system to realize power saving and downsizing without adding converters.A motor system (100) includes a battery (10), a first inverter (20), a motor (30), a power generator (50),...
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JP6627999B2 |
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JP2019221125A |
To provide a motor numbering method, an automatic control device, and a recording medium suitable for numbering a plurality of motor units of the automatic control device.A motor numbering method includes the following steps: specifying ...
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JP6626134B2 |
A motor driving device controls braking of multiple motors each having a braking device by using a single brake power supply. The braking device includes: an electromagnetic brake that releases braking of a rotary shaft of the motor by e...
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JP6625367B2 |
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JP2019216574A |
To achieve a motor control device that selectively switches a motor that drives one spindle between two motors, capable of ensuring safety of the spindle even if the motor has an abnormality.A motor control device 1 includes: a switching...
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JP2019216565A |
To suppress a distortion of a control target caused by a shift in operation start timing and equalize a load on each motor when the control target is driven by using at least two vehicle motors.A control unit 35 outputs a control command...
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JP6620380B1 |
To simplify a connection wiring configuration and reduce a cost. The motor control system 1 includes a motor 2C and a motor control device 13C that feeds and controls the drive power of the motor 2C based on the drive state amount of the...
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JP2019213323A |
To provide a technique capable of quickly determining the presence/absence of occurrence of a disconnection in regard to a bifilar wound motor coil.A driving device 30 for a motor having a pair of bifilar wound coils L1 and L2, comprises...
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JP6619404B2 |
A motor drive system includes: a flywheel; a servomotor for buffer which includes a plurality of independent windings and allows the flywheel to rotate; a plurality of inverters for buffer respectively connected to the windings; a plural...
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JP6616436B2 |
A brake control system includes: a plurality of motors each provided with a brake device and a position detecting section; and a brake control device that controls a plurality of the brake devices using one brake-oriented power source. T...
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JP2019201497A |
To suppress a rise in temperature of a second motor when short circuit abnormality occurs in the second motor, in a case when an abnormality occurs in first communication between a first control device and a second control device.An elec...
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JP6604198B2 |
A motor control device comprises a position feedback control part 11 for outputting a first tentative command speed; a speed feedback control part 21 for outputting a first tentative command current; a position feedforward control part c...
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JPWO2018185878A1 |
The synchronous motor drive device according to the present invention is a synchronous motor drive device that drives a plurality of synchronous motors connected in parallel to each other, and one power conversion unit that converts powe...
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JP6603295B2 |
A motor driving device includes: a converter unit having a capacitor; a plurality of inverter units having a plurality of semiconductor switching elements and configured to convert a capacitor voltage across the capacitor into an AC volt...
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JP6603294B2 |
A motor driving device includes: a converter unit having a capacitor; a plurality of inverter units having a plurality of semiconductor switching elements and configured to convert a capacitor voltage across the capacitor into an AC volt...
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