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Matches 1,101 - 1,150 out of 10,551

Document Document Title
JP6200467B2
A motor control system of the present invention includes a servo electricity supply unit supplying electricity to a servo motor, and a controller controlling the servo motor, a mechanical brake and the servo electricity supply unit. The ...  
JP2017163624A
To provide in a reel type gaming machine a motor control circuit capable of stopping a reel at a target position more stably and smoothly starting reel rotation.The motor circuit includes a current controller. The current controller, upo...  
JP6193937B2
A motor drive apparatus according to the present invention comprises: an electric shunt which shunts a current flowing through a power line connected to a motor; a first current detection unit and a second detection unit, each disposed o...  
JP2017153222A
To solve a problem of a conventional regenerative circuit configuration that a capacitor short-circuit failure occurs because it does not have a disconnection detection function of an overheat protection fuse for regenerative resistance,...  
JP6187823B2
To provide an electromagnetic suspension apparatus capable of improving safety and reliability.Relays 27, 28 are provided on 2-phase power lines 6A, 6B of 3-phase power lines 6A, 6B, 6C connecting coils 15A, 15B, 15C of a linear electrom...  
JP6176865B2  
JP6177445B2
An electric vehicle controller 50 includes an inverter 11 that drives a motor 12 by receiving power supplied from an overhead line 1, a brake chopper circuit 8 that includes a switching device 6 and a braking resistor 7 and is connected ...  
JP2017132387A
To make a stop position of an electrically-driven drive portion of a vehicle seat, stopped on the basis of the OFF operation of an operation switch by an occupant close to a desired stop position of the occupant, in a vehicle seat contro...  
JP6173516B1
[Subject] While controlling a rise of phase current when three-phase short circuit processing is performed, Even if it is a case where an inverter circuit is separated from a direct-current power supply, a rise of phase current which flo...  
JP2017123717A
To shut down regenerative electric power generated from a rotary machine from a DC link using inexpensive components.At a predetermined period after the first timing when a value of an inflow current idf running between a contactor 33 an...  
JP6162287B1
[Subject] Brake equipment which can operate a brake promptly is obtained without producing brake operation delay at the time of electric power interception to a brake coil. [Means for Solution] In a system by which electric power from an...  
JP2017112750A
To provide a motor control device for a washing machine that is capable of reducing the stop time of a motor without requiring an additional cost of a member when braking control is performed on a motor to be driven by an inverter withou...  
JP6150017B2
This drive device is provided with: a rotary electric machine; a matrix converter having a power conversion unit that converts power from an alternating current power supply into alternating current power for output; a battery connected ...  
JP6144900B2  
JP6133827B2
An electric motor drive apparatus includes: an AC/DC converter converting AC into DC by the switching of multiple power devices; a control circuit performing PWM switching control of the multiple power devices; a current detecting circui...  
JP6121972B2
A numerical control device for controlling a motor includes a stopping unit configured to stop the motor using position control gain for emergency stop corresponding to emergency stop command, wherein emergency stop of the motor is perfo...  
JP2017070203A
To improve the protection of a drive control section of an AC motor.A device (1) includes an AC motor (2), a controller (5), and a power driver (6). Electric energy is supplied to the controller (5) and the power driver (6) by an operati...  
JP2017051516A
To achieve both of circuit protection from overvoltage input during an abnormality of power supply and temporary overvoltage input due to regeneration during deceleration of a motor and a continuous operation after voltage drop in a wash...  
JP2017052609A
To make it possible to apply brake force from a regeneration brake to both support shafts by using a single electric motor and thereby to reduce cost, in a roll body support device for rotationally supporting a roll body c where a belt-l...  
JP6095336B2
To provide an electric power tool that when an operation switch is turned off, can generate control torque in a motor by means of a control circuit and furthermore prevent the motor from being driven by malfunction of the control circuit...  
JPWO2015037645A1
In a seawater desalination system using a reverse osmosis separator, the rate of change in seawater pressure and the rate of change in flow rate to the reverse osmosis membrane when the high-pressure pump is started and stopped can be ad...  
JP6082683B2  
JP6077464B2
A centrifuge includes a regenerative braking safety system including an electrical system reversibly coupled to a power source. A motor is coupled to the electrical system. The motor is capable of driving a rotor using power delivered th...  
JP6073147B2  
JP2017005953A
To provide a drive unit that suitably controls drive of a member driven by a voice coil motor (VCM) and, at the same time, buffers collision of the driven member with another member when the VCM is not driven.A drive unit comprises a VCM...  
JP2016208655A
To control a motor speed on the basis of a safety signal, without provision of a special speed sensor on the motor.A control unit 11 generates a control signal on the basis of a speed command signal or a safety signal, to output to a mai...  
JP6012919B1
A motor controlling device (58) of the present invention is provided with a pulse width primary detecting element (595), a speed control part (591), a pulse width storage section (596), the same pulse detector (597), and a stop treating ...  
JP5997953B2  
JP2016171638A
To store the regenerative power of an electric motor efficiently.An electric motor controller includes a motor driver for driving an electric motor, a power supply for supplying a power to the motor driver, a plurality of power storage d...  
JP5996095B2
An electric vehicle control device includes a calculation unit that calculates a regenerative-brake-torque load factor when a braking command is detected. The calculation unit includes a brake-torque load-factor determination unit that d...  
JP2016167901A
To appropriately brake a motor.A control device for a synchronous machine comprises: a power conversion circuit (40) that modulates a DC voltage (Ed) outputted from a DC power supply (3, 4) and supplies the modulated DC voltage to a sync...  
JP5990884B2
A motor control device comprises: a motor control unit; and a signal output unit, wherein the motor control unit controls a motor based on an output signal of the signal output unit, wherein the motor control unit is configured to functi...  
JP2016163456A
To prevent a compressor from failing to start due the fact that a rotor cannot start to rotate against load torque.When receiving stop command for an electric compressor 1 performing sensorless operation, speed command for the electric c...  
JP5980047B2  
JP5980969B2
A motor drive according to the present invention has a dynamic braking circuit. The motor drive includes a motor drive control circuit for applying a voltage to windings of a synchronous motor and the dynamic braking circuit for a predet...  
JP5973439B2  
JP5967072B2  
JP5955414B2
Provided is a motor control device that includes an inverter circuit that includes a plurality of P-side switching elements and a plurality of N-side switching elements and drives a motor via a plurality of motor terminals; a first dynam...  
JP2016127788A
To provide a control system of a regeneration brake of an electric automobile having an excellent control effect, and a method of the same.A regeneration brake control system 100 of an electric automobile comprises an armature current co...  
JP5938583B2
This motor control device has a dynamic brake function of absorbing the energy of a motor to apply a brake to the motor. The motor control device comprises: a dynamic brake resistor; a thermal switch which is arranged adjacent to the dyn...  
JP5932944B2
An object of the present invention is to improve the performance of a power transducer while efficiently using the power semiconductor also by managing the permissible duty factor of the power semiconductor in the regenerative braking ci...  
JP5932136B2
The voltage amplification factor during rapid deceleration control of a motor is set to a value obtained by adding a first voltage amplification factor calculated with reference to the voltage of the DC circuit section of the inverter us...  
JP5931407B2  
JP5927838B2  
JP3204317U
To provide an electric motor capable of returning a thermal protector at a place away from the electric motor. A relay 26 turns on a thermal protector 24 and a switch circuit 26a between the thermal protector and the electric motor 28 by...  
JP5923822B2  
JP5925066B2  
JP5921890B2  
JP5923325B2
To provide a motor control device which can apply an electric brake to a motor when power supply is stopped, and achieve a miniaturization and a cost reduction. A first switch 11 through a sixth switch 16 connects respective coils L1, L2...  
JP5911639B2  

Matches 1,101 - 1,150 out of 10,551