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JP2016083977A |
To ensure comfort while achieving shorter discharge time.A motor control device according to the present invention for controlling a motor system that comprises a first motor that generates a driving force for traveling a vehicle; a firs...
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JP5919070B2 |
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JP5914172B2 |
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JP5915675B2 |
A hybrid vehicle includes a battery, a boosting converter, first and second inverters, a first inverter connected to the first inverter, a second motor generator connected to the second inverter, and a control unit configured to start an...
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JP5910694B2 |
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JP5911764B2 |
The method involves implementing a state estimator of a motor based on a previously established load model of the motor. An evolution over time of an estimated state of the motor is calculated by the state estimator, where the estimated ...
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JP5905532B2 |
A control system includes a control apparatus, identification information storage units disposed in a plurality of servo amplifiers and configured to store identification information pieces for identifying each of the plurality of servo ...
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JP5897923B2 |
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JP5900122B2 |
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JP2016038481A |
To provide an image forming apparatus configured to properly transfer a toner image formed on a surface of a photoreceptor drum to an intermediate transfer belt, to prevent reduction in quality of an image formed on a sheet.An image form...
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JP2016039659A |
To provide a work vehicle which is capable of performing feedback control with high accuracy on the basis of rotation angles and current values of motors even in the case where one A/D converter is shared by a plurality of motors.A drive...
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JP5890491B1 |
To provide a servomotor control system which does not use a dedicated large-capacity one as an inverter circuit or a converter circuit for driving a buffer motor. The servo motor control system of the present invention has a plurality of...
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JP5891207B2 |
An image forming apparatus having a first motor for rotating a roller for transporting recording paper includes a second motor supplied with electric power from the same power line as the first motor, a driver circuit connected to the po...
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JP2016036230A |
To provide a serial servo bus which enables the reduction in cost which eliminates the need for having the limitation in synchronizing control of a motor by branching communications in a power-supply module and using a numerical controll...
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JP5887641B1 |
To obtain an unmanned aerial vehicle having a relatively low possibility of damage due to a crash due to a power shortage of an on-board battery. An unmanned aerial vehicle uses the electric power of a battery 11 to drive a motor 12 to r...
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JP5877856B2 |
A numerical control device, in a motor drive system which drives a motor part which has a cooling fan motor and is provided with the numerical control device to drive the motor part, which acquires the temperature of the component elemen...
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JP2016032324A |
To provide a control system for a rotating electrical machine mounted in a vehicle, capable of preferential SOC management of one power storage means over SOC management of the other power storage means.A control system 100 for a rotatin...
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JP5875734B2 |
In the present invention, each electric motor has a zero-phase current detector, a phase current detector, and a phase voltage detector attached thereto, and four different types of electric motor abnormalities are detected using only vo...
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JP5863860B2 |
The servo controller of the present invention includes a first axis speed feedback obtaining unit, a second axis speed feedback obtaining unit configured to obtain an amount of speed feedback for a second axis synchronizing with a first ...
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JP5863523B2 |
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JP5858058B2 |
An object of the present invention is to provide a motor control device, which drives at least one of two motors using rotor position sensorless control and controls one motor using the rotor position sensorless control without a failure...
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JP5853867B2 |
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JP5855685B2 |
A servomotor control device includes a servomotor control circuit for controlling an inverter such that an alternating current is supplied to a servomotor when receiving a safety signal, and for controlling the inverter such that the alt...
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JP5843796B2 |
To provide a press device capable of accurately determining a permanent demagnetization state of permanent magnets of a servo motor even without performing non-load operation on all motors and even if a motor constant is varied, in the s...
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JP5834517B2 |
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JP2015231255A |
To provide a servo motor drive device that reduces costs by connecting one drive device to a plurality of servo motors.A servo motor drive device includes a main control unit 10, a power supply unit 20, and at least one servo drive modul...
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JP2015220811A |
To reduce a step-up loss that can be generated when controlling a motor.A motor control apparatus, for use in controlling motors that include a first motor (MG 1) and a second motor (MG 2), includes: a first inverter (30) corresponding t...
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JP2015220905A |
To provide a pump including an electric motor that improves motor efficiency at a time of a light load without reducing motor efficiency at a time of a high load.A pump 1 includes a pump rotor 13 mounted to two main shafts 15A, 15B. An e...
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JP2015220778A |
To inexpensively implement leveling of lives of a plurality of inverter modules for controlling a plurality of motors.A first inverter module (power module 21) includes: a first output node Na1 connected to a first motor 11; and a second...
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JP5822621B2 |
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JP2015210751A |
To provide a programmable controller, a control method and a control program capable of eliminating start-up variation among motors.When controlling the drive of plural motors, the control section executes at least a part of preparation ...
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JP2015208119A |
To make it possible to accurately determine whether a PM inverter has failed or an IM inverter has failed, in a rotary electric machine drive system.A rotary electric machine drive system 10 comprises: a DC power supply circuit 12; a PMS...
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JP5817290B2 |
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JP5815784B2 |
A servo controller includes: a first position feedback acquisition unit; a second position feedback acquisition unit; a converter converting the acquired position feedback of the first shaft to a value corresponding to the position feedb...
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JP5813746B2 |
The system has a converter for converting an AC current into a DC current (4), an inverter (5) for inverting the DC power supplied from the converter (4) into an AC power, a servo control device (13) for controlling a drive of a servo mo...
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JP5811438B2 |
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JP5806339B2 |
For an electric drive system (1) for a water vehicle, comprising a main drive (2) having at least one electric motor (3) for driving a water vehicle in the direction of travel of the water vehicle and having a converter or a plurality of...
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JP5803951B2 |
In a system for driving a three-phase rotating electrical machine of drive sources for applying separate drive forces to a rotary shaft, a phase of the rotating electrical machine, a current of which is detected by a current sensor and c...
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JP5800886B2 |
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JP2015186317A |
To provide a technique for suppressing an influence caused by deterioration of current measurement accuracy while adopting plural coreless current sensors in a power conversion apparatus specifically used for an electric vehicle that inc...
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JP5791816B2 |
A current command generator (117) generates a current command that indicates a value of current supplied from an inverter circuit to electric motors connected in parallel with the inverter circuit. A voltage command calculator (120) gene...
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JP5790508B2 |
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JP5782614B2 |
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JP5782237B2 |
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JP2015163005A |
To solve an insulation degradation problem with a motor caused by switching surge of an inverter which may occur when an induction motor for a jet fan is driven through a long cable, an EMI problem of a high frequency band, an influence ...
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JP5771960B2 |
To rotate a transport motor and to stop a carriage motor at an ADF reading angle, a control unit outputs a first and a second signal to a first and a second D/A converter, and a power on/off signal to an A-phase driver circuit for the ca...
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JP5772726B2 |
A control unit controls a first DC motor and a second DC motor by detecting a rotational position thereof and includes first control means and second control means. The first control means performs a detection of the origin position patt...
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JP2015155130A |
To provide a synchronous control device for a double-headed processing machine capable of improving the surface accuracy of a processed surface and processing a thin work in a short processing time. In a double-headed processing machine ...
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JP5768999B2 |
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JP5768998B2 |
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