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Patent Searching and Data


Matches 801 - 850 out of 13,749

Document Document Title
JP6724839B2
To provide a linear drive device having superior stop position accuracy.A linear drive device comprises: a mover 1 comprising a driving permanent magnet 3; and a stator 2 comprising a plurality of coils 11 arranged along a moving directi...  
JP2020108334A
To perform regenerative control according to a travel state which is estimated to be intention of a user expressed on a brake operation.A motor drive control device for a power assisted vehicle comprise (A) a drive part for driving a mot...  
JP6715046B2
A brake device for an AC generator, whose speed can be flexibly controlled, and can function properly even when functions of the control unit are lost. The brake device has a triac (TR) that has a first terminal connected to one transmis...  
JP2020517517A
車両ブレーキシステムのモータ駆動ブレーキ ブーストアシストシステムの動作をブレーキ ブーストアシストシステムへのバッテリ電力 の損失中に制御する方法が開示される。...  
JP6711843B2
A system for dissipating regenerated electric energy produced by an electric actuator of an aircraft, the dissipating system including: a resistor; two switching arms, each switching arm being connected in series with the resistor, the t...  
JP6711064B2
To provide a technique for enabling the suppression of a reduction in a disturbance suppression effect due to an influence of a communication delay between plural controllers even in the case of executing stoppage control using the respe...  
JP6711324B2
A shift range control device switches a shift range by controlling the driving of a motor. An angle calculation unit acquires a motor rotation angle signal outputted from a motor rotation angle sensor that detects the rotation position o...  
JP2020092584A
To control a return speed of a spring return type electric actuator with fewer components.A power supply circuit 18 supplies a control power supply VC to a control circuit 16 in a power failure state, and the control circuit 16 operates ...  
JP6708157B2
A shift range control apparatus is applied to a shift range switching mechanism that includes a rotation member including multiple recesses, and an engagement member that positions the rotation member by engaging to the recesses. The shi...  
JP6709270B2
The present disclosure relates to security mechanisms for electric motors and associated systems. For example, the present technology includes a powertrain assembly having (1) a motor having multiple sets of coils; (2) a drive circuitry ...  
JP6708300B2
Provided is a rotary tool in which, when a switch is turned off to stop a tip tool, a fixture that fixes the tip tool is prevented from being loosened. In the rotary tool, the rotating tip tool is mounted on a spindle by the fixture, and...  
JP2020089094A
To provide a motor drive device capable of accurately stopping a rotor at a target position in a shorter time by performing deceleration stop of the rotor without performing switching from feedback drive to open-loop drive.A motor drive ...  
JP2020089137A
To provide an electromagnetic brake control device capable of performing both safety control and normal control for an electromagnetic brake connected to an output terminal.An electromagnetic brake control device for controlling a non-ex...  
JP6704948B2
A motor driving control apparatus according to an embodiment includes a motor driving unit that selectively energizes the three-phase coils of a motor; a motor control unit that switches an energizing phase of the coils in a predetermine...  
JP2020080623A
To realize a motor drive device having a dynamic brake circuit which can apply dynamic brake while securing safety without burdening a device and a motor drive system.A motor drive device 1 which drives a motor 3 on the basis of power su...  
JP6698732B2
A motor control device for controlling a servomotor to axially move a movement target object includes: a speed detector for detecting the movement speed of the movement target object; an abnormality detector for detecting an abnormality ...  
JP6698729B2
A motor control device for controlling a servomotor, includes an inverter having multiple switching elements, a motor control unit configured to control switching operation of the multiple switching elements to thereby drive the servomot...  
JP6699607B2
A motor control device 1 has: a drive signal generation unit 14 that generates a drive signal in accordance with the rotational torque generated by a DC motor 2 and outputs the drive signal; a sensor interface unit 15 that receives a det...  
JP2020514577A
[Subject] The present invention provides a method of carrying out the trigger of the crash preventive mechanism which similarly carries out the trigger of the braking assembly which brakes a gate quickly certainly, detecting certainly a ...  
JP6693781B2
To provide a processing device that can reduce processing time as a whole without burning out a regenerative resistor for consuming power which is generated when decelerating a spindle.The processing device comprises: a motor for rotatin...  
JP2020072603A
To provide an electric vehicle on which a third braking device can easily be disposed for suppressing frequent use of a wheel brake when a regenerative brake using a rotating machine is unusable.Since an electromagnetic retarder 70 is di...  
JP6690576B2
A shift range control device switches a shift range by controlling the driving operation of a motor. When a difference between a target angle at which the motor is to be stopped and an actual angle becomes smaller than an angle determina...  
JP2020065352A
To provide an electric power conversion device capable of enhancing motor torque upon engine start.An inverter 50 converts power supplied from a battery 30 and supplies converted power to a motor 40 having a rotation shaft, to which a cr...  
JPWO2019003741A1
The power tool in which the suitable control according to any shall be connected between the adapter device and the battery pack is possible is provided. A power tool (1) is alternatively provided with a connectable power supply terminal...  
JP2020061851A
To provide a motor drive device that avoids abnormal heat generation in a dynamic brake circuit.A motor drive device 1 comprises: a converter 11; an inverter 12; a DC link capacitor 13; a dynamic brake circuit 20 that includes a resistor...  
JP6683158B2
To provide a game machine which includes a motor controller capable of stopping a DC motor in rotating within a designated predetermined time.A motor controller 1 mounted on a game machine, includes: a driving signal generation part 14 t...  
JP6681301B2
A circuit arrangement is configured to supply an electromagnetic holding brake of an electric motor with an operating voltage for releasing the holding brake, and a voltage that is reduced relative to the operating voltage for holding th...  
JP2020058209A
To provide a motor drive device in which abnormality of a dynamic brake circuit is detected.A motor drive device 1 comprises: a converter 11; an inverter 12; a DC link capacitor 13; a dynamic brake circuit 20 that has a resistor 21 and a...  
JP6677067B2
To reduce a rotation speed of a motor by prolonging a period of a dynamic brake due to an upper arm as further as possible in a motor drive device for executing the dynamic brake by using an inverter including a temperature protection fu...  
JPWO2019065882A1
A contactor (9) controls an inverter (10) to stop operation of an inverter (10) appropriately, when rotation electrical machinery (80) is in a rotation state in an opened condition. The inverter (10) which it was connected to the direct-...  
JP6674788B2
To provide a winch control method and controller, and a winch with a simple structure, which prevent a suspended load from falling down, the winch using an inverter to drive control a motor and using an electromagnetic brake.A controller...  
JP2020048284A
To provide a motor control device that can apply a braking torque to a motor while detecting current of two or more phases even in a one-shunt current detection method.A motor control device comprises a shunt resistor 4 connected to a DC...  
JP2020048282A
To provide an inverter device for suppressing heat generation of a switching element and generating a braking torque in a motor in a one-shunt system.The inverter device includes: an inverter circuit 3; a current detecting element for ge...  
JP6668034B2
To make a gate pole at an ascending position descend by the pole's own weight at constant speed when abnormality such as outage and a failure occurs.A crossing gate 100 comprises: a brushless motor 30 that rotates a motor output shaft 33...  
JP6665636B2
There is provided a control system including: a motor, a moving apparatus, a detector, a driving circuit, and a controller. The controller executes: inputting, to the driving circuit, a first voltage command value up to a predetermined t...  
JP2020034013A
To provide a shift range control device that can accurately stop a motor.A shift range control device 40 switches a shift range by controlling driving of a motor 10 comprising a motor winding 11, and comprises a driving circuit 41 and an...  
JP2020036524A
To provide a motor drive circuit capable of decelerating rotation of an electric motor, e.g., an electric motor coupled with a fan, when power of the electric motor and the motor drive circuit for rotating the electric motor in normal op...  
JP6658356B2
To provide a motor compressor capable of suppressing the occurrence of a reverse re-rotation phenomenon while suppressing noise and vibration.A motor compressor 10 includes an electric motor 16 having a rotor 51, a housing 11 formed with...  
JP2020028145A
To provide a motor drive device capable of performing control for accurately stopping a rotor at a target position by surely and promptly shifting from feedback drive to an open-loop drive.A motor drive device comprises a feedback (FB) d...  
JP6644145B2
Provided is an electrical drive for an industrial robot, wherein each driver circuit for the associated power switches of the first half-bridge is designed, in the case of a voltage-free or current-free state of the associated control in...  
JP6642479B2  
JP2020015468A
To solve such a problem that, in a stopping still vehicle, noise is generated as a phase of a phase current to be supplied to an electric motor for braking rotation of wheels of the vehicle is periodically shifted.A control circuit CNT, ...  
JP2020015435A
To provide an electric brake device which can improve accuracy for correcting thrust estimation.A brake mechanism 22 transmits thrust generated by driving an electric motor 22B to a piston 22E for moving a brake pad 22F. An ECU 24 for a ...  
JP2020014363A
To make it possible to reduce an amount of regenerative power generated when applying regenerative braking.The regenerative braking system includes: a generator for collecting kinetic energy of a rotating load to generate a braking force...  
JP2019217817A
To reduce quantity of a regenerative resistor consuming regenerative electric power by converting to heat by efficiently using regenerative power generated when a dynamo-electric motor is decelerated in a vessel provided with the dynamo-...  
JP6623987B2
A shift range switching control device for switching a shift range by controlling driving of a motor includes a feedback control section, a stationary phase energization control section, and a switching control section. The feedback cont...  
JP6626328B2
An electric taxiing system of an aircraft (1) includes: a wheel (5a, 7a) of an aircraft (1); a taxiing motor (5b, 7b) which is rotated together with the wheel (5a, 7a) in landing of the aircraft (1) to apply breaking force to the wheel (...  
JP6620380B1
[Subject] Simplification and cost reduction of connection wiring composition are enabled. [Means for Solution] Motor 2C and motor controlling device 13C which carries out electric supply control of the driving power of motor 2C based on ...  
JP6622764B2
A motor driving control apparatus according to an embodiment includes: a motor driving unit that selectively energizes three-phase coils of a motor; a motor control unit that switches an energizing phase of the coils, the energizing phas...  
JP6622080B2  

Matches 801 - 850 out of 13,749