Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,001 - 1,050 out of 13,766

Document Document Title
JP2018113738A
To provide an electromagnetic brake control method capable of protecting a relay which turns on and off a brake current, and saving power in addition to being independent of an electrification current of a motor, and an electromagnetic b...  
JPWO2017051517A1
This motor controlling device is provided with the following. A rotation control part which controls rotating operation of a motor, A PWM generating section which generates a PWM signal, A drive circuit which outputs a drive pulse signal...  
JP6359223B1
A rectifier (42) with which motor driving (1) concerning the present invention outputs direct-current electric power, An inverter circuit (66) which transforms direct-current electric power into exchange electric power, outputs exchange ...  
JP2018110474A
To provide a control unit of a motor, which achieves smooth braking to a target speed with braking obtained by combining a regeneration brake and a reversing brake without using an expensive servo motor.A motor is driven by applying effe...  
JP6356716B2  
JP6353925B2
In conventional technology, one problem resulting from short-circuit braking that used voltage generated in a magnet motor during deceleration was that when the rotation speed decreased and the generated voltage fell, if the voltage gene...  
JP2018102059A
To provide a vacuum valve capable of preventing a voltage rise in a DC power supply line during a deceleration operation.A vacuum valve comprises: a valve; a motor 31 for driving a valve plate; switching circuits 451A and 451B that turn ...  
JP2018100763A
To provide technique capable of suppressing complication of a configuration of a wear detection device for an electromagnetic brake, and increase in the cost.In a wear detection device 50 for an electromagnetic brake 30 which brakes a mo...  
JP2018102074A
To provide a vehicle control device that prevents over-voltages from being applied to components such as an inverter, by regenerative power generation by a motor generator accompanying torque reduction during speed change.A vehicle contr...  
JP2018099748A
To safely and correctly diagnose a state of a brake of a motor with a brake.A brake diagnosis system 100 is a system for diagnosing abnormality of a brake on a robot 10 and comprises: a robot arm 102 which is driven by a motor with a bra...  
JP2018098974A
To provide an electrically-driven power steering device capable of generating a larger brake torque as conventional one to an electrically-driven assist motor, even when the electrically-driven assist motor is rotated by an external inpu...  
JP6346583B2  
JP6342043B1
[Subject] While controlling a rise of phase current when three-phase short circuit processing is carried out, After attaining a miniaturization and cost reduction, even if it is a case where a power inverter circuit is separated from a d...  
JP6343273B2  
JP6343247B2  
JP2018088817A
To shorten a required time from a brake operation to a motor stop by adequately operating a brake to a motor.A motor control device has a motor control circuit (14) driving a motor (4) by controlling an On/Off operation of a switching el...  
JP6337731B2  
JP2018513664A
The present invention relates to a system (10) for making reproduction electricity energy which arose by an electric actuator (1) of an airplane dissipate. This loss system (10) is two switching arms (12, 13) which each is connected with...  
JP2018082508A
To provide an inverter controller and an inverter control method which can suppress an induction voltage of a polyphase motor when the induction voltage can exceed a withstanding voltage of a switching element of an inverter.An inverter ...  
JP6324089B2
An information processing apparatus includes a first control unit that outputs a command for driving an electric part, a detection unit that detects an abnormality of the first control unit, and a second control unit that controls whethe...  
JP6321591B2  
JP6320046B2  
JP6313463B2  
JP2018510604A
A plurality of winding which one side of a rotation child, a stator, and the rotation child and the stator is equipped with a motor device, and acts on another side, A motor which has a plurality of motor inputs connected with the windin...  
JP6309935B2  
JP6307983B2
To suppress increase of the DC link voltage and total amount of reflux current of an inverter, when a contactor connecting the inverter and a DC power supply is brought into an open state.An inverter controller executes pre-shutdown cont...  
JP6308551B2  
JP6305495B1
[Subject] It aims at providing an inverter control device and an inverter control method which can control induction voltage, when induction voltage by a polyphase motor may exceed resisting pressure of a switching element of an inverter...  
JP6301511B2  
JP2018046718A
To lock rotation of a multi-phase motor even in a case where such a failure that the multi-phase motor cannot be rotatably driven is generated.A motor drive control device 10 according to an embodiment comprises: a detection target circu...  
JP6297212B2  
JP6295407B2
To provide an inverter device capable of properly determining stop of an electric motor with no position detector, and a dehydration machine using the same.A control circuit 60 has current detecting means 66 for detecting AC current supp...  
JP2018039492A
To solve a problem that a damping force gets insufficient in a high stroke speed region in a conventional suspension device.A suspension device includes: a spring 12 put between an upper-side member 10 and a lower-side member 11; a motor...  
JP2018042294A
To provide an electric power conversion system or the like, with high reliability.An electric power conversion system 30 comprises an electric power conversion part 31 and a control part 33. The electric power conversion part includes sw...  
JP2018042369A
To provide a motor capable of previously detecting a temperature rise in a terminal part before falling into severe abnormality, contributing to ensuring safety by suppressing a motor drive current, and attaining compactification, and a ...  
JP2018042303A
To provide a motor capable of previously detecting a temperature rise of a terminal part before falling into severe abnormality, contributing to ensuring safety by suppressing a motor drive current, and detecting the temperature rise in ...  
JP2018042297A
To provide a motor controller and air conditioner that are capable of eliminating a problem such as overcurrent generated in association with brake control, without providing a check valve at a compressor.A motor controller performs dece...  
JP2018040464A
To provide a shift range control device which can properly control the drive of a motor related to the changeover of a shift range.A feedback control part 60 of a shift range control device 40 performs feedback control based on a motor a...  
JP6293080B2
The present invention provides a passenger conveying device and a control method thereof. During the power failure, the power is regenerated by an inverter device to realize the deceleration stop. A control circuit (11) detects the power...  
JPWO2017014063A1
Control which presumes a rotation position at the time of starting of an electric motor is required, and it cannot start an electric motor by high torque promptly. If rotation of electric motor 5 stops, control device 43 will carry out K...  
JP6285477B2  
JP6274085B2
A motor controller that is configured to switch power supply phases of the motor, to perform a limit-position abutment control by rotating the motor to a movable limit of a movable range of the rotation object to learn a reference positi...  
JP2018014802A
To provide a motor control circuit capable of preventing occurrence of abnormal state when using a free run stop method.A speed control circuit 33 outputs a torque command signal S1 based on a clock signal Sc and a revolution signal Sr, ...  
JP2018014781A
To provide an electric car in which function of an electric motor for running can be used as a parking brake without the need for any current consumption during parking.An electric car comprises a short circuit 35, which short-circuits p...  
JP6264671B2  
JP2018007381A
To save energy in a magneto-rheological fluid device which is provided to brake the rotation of a passive body rotating with external force, and to freely control the rotational operation of the passive body without depending on the exte...  
JP2017229116A
To provide a motor drive control device which can suppress, with a simpler circuit than in the prior art, an overcurrent which occurs in a motor winding when power supply from a voltage source is halted to promptly halt the motor.The mot...  
JP2017225213A
To provide a control apparatus of a walk-behind type electrically-driven lawn mower, in which stopping within a specified time is surely achieved by switching from a regenerative brake to a short circuit brake.A control apparatus of a wa...  
JP6249779B2  
JP2017220971A
To enable an electric vehicle to be smoothly stopped.A control method for an electric vehicle includes a speed control step, a disturbance torque estimation step, and a torque instruction value calculation step for calculating a torque i...  

Matches 1,001 - 1,050 out of 13,766