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Matches 1,151 - 1,200 out of 13,773

Document Document Title
JPWO2014155720A1
When an electric vehicle control device detects braking instructions 31, it is provided with operation part 41 which calculates regenerating brake torque burden rate 53. Brake torque burden rate deciding part 51 which determines regenera...  
JP6082683B2  
JP2017034856A
To provide a brake device capable of detecting an abnormality in which a brake is prevented from being released even if a voltage is applied to the brake device and the abnormality in which the brake remains released even if brake energi...  
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  
JP2017022810A
To provide a motor drive controller and a machine tool providing them, in which, by optimizing a switching timing from a speed control to a position control, a motor is speedy and surely stopped at a predetermined stop position by the nu...  
JP2017022940A
To provide a compact and low-cost motor drive device capable of accurately predicting the service life of a relay for a dynamic brake circuit.The motor drive device 1 comprises: a DB current calculation unit 11 for calculating a DB curre...  
JP2017017925A
To provide a motor drive device capable of making overvoltage protection of a circuit element and maintenance of a regenerative braking force compatible even if an overvoltage state of a DC voltage at an input side of an inverter occurs ...  
JP2017011841A
To provide a drive controller capable of mitigating a power loss and a temperature rise of a motor.A drive controller 1 comprises: a drive unit 3 for driving a motor 6; and a built-in micro computer 2 for controlling the drive unit 3 by ...  
JPWO2014091602A1
The inverter circuit which a motor controlling device has 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, The 1st dynamic brake that applies br...  
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...  
JP2017005900A
To provide a control apparatus for a synchronous motor capable of avoiding demagnetization without the need to excessively limiting torque.A control apparatus for the synchronous motor comprises: a current command generation part which g...  
JP2017005913A
To provide a servomotor stop control device which cuts off power supply to a servo amplifier at an emergency stop to enable the servomotor to stop safely and securely.The servomotor stop control device is configured to output a stop oper...  
JP2016220451A
To improve heat resistance protection of an electric motor.A controller for the electric motor which drives a control shaft of a compression ratio variable mechanism supplies a DC current to phase coils and generates a holding torque for...  
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...  
JP2016201996A
To achieve a reduced size and improved rigidity of an electromechanical device having a transmission mechanism.An electromechanical device comprises: a first electromechanical mechanism section, a transmission mechanism section, a second...  
JP2016197996A
To provide a motor control device, capable of easily performing control to take measures against power failure at the blackout of an AC power supply when driving a motor.A power failure detector unit 11a of an AC-DC converter device 11 d...  
JP2016195493A
To provide a technology that can appropriately hold an object to be driven at a target stop position.A controller executes processing of gradually changing a current to be input to a motor from an initial value each time the position of ...  
JP2016192844A
To brake a fan motor over a long period when a power supply is turned off.A motor drive control device comprises: an inverter circuit (16) that has a plurality of switching elements (Q1-Q6) for switching an input voltage (Vin) supplied f...  
JP2016187239A
To provide a motor drive control device that can be expected to achieve a certain brake operation at power supply stop without requiring a high-capacity capacitor nor a mechanical relay.A motor drive control device 1 comprises: a switchi...  
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  
JP2016171699A
To decelerate and stop using the regenerative power of an inverter device at blackout.On detecting blackout at an AC power supply 6, a control circuit 11 supplies a changeover signal to a changeover switch 12 to detach an inverter device...  
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  
JP5973439B2  
JPWO2014045728A1
The present invention is set to a what is called unmagnetized operation type electromagnetic brake control device, The 1st operation part 121 which performs operation processing according to brake instructions, and the 1st brake control ...  
JP5967072B2  
JP2016144232A
To solve the problem that, in a conventional motor control device, if a threshold is made too small in the case where a resistance value of a dynamic brake circuit is great, deposition may be discriminated even when a relay of the dynami...  
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...  
JP2016127728A
To provide a drive control system capable of improving a regeneration efficiency.A drive control system 1 includes a hydraulic motor 33, a hydraulic oil supply device 9, an electric motor 34, a capacitor 28, a driving device 36, and a co...  
JP2016127711A
To provide a motor control device that is able to accurately estimate a braking time regardless of a change in brake force received from load.During a running period of a motor (430), brake force estimation part (413) estimates brake for...  
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  
JP2016111773A
To notify regenerative control of a motor in advance.A motor 30 drives driving wheels of an electric vehicle by driving power supplied from a battery 20, and when a predetermined condition for regenerative travelling is satisfied generat...  
JP2016111772A
To notify regenerative control of a motor in advance.A motor 30 drives driving wheels of an electric vehicle by driving power supplied from a battery 20, and when a predetermined condition for regenerative travelling is satisfied generat...  
JP5932944B2  
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  
JP2016100930A
To make it possible to return the rotated position of a motor to a predetermined position after reach control, while reducing power consumption and heating value of the motor compared to conventional motor.After reach control in which a ...  
JP3204317U
[Subject] An electric motor which can perform a return of a thermal protector at a place away from an electric motor is provided. [Means for Solution] An electric motor is provided with the following. Thermal protector 24, Relay 26 which...  
JP5923822B2  
JP5925066B2  
JP5921890B2  

Matches 1,151 - 1,200 out of 13,773