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Patent Searching and Data


Matches 801 - 850 out of 13,542

Document Document Title
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  
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  
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  
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...  
JP2017213614A
To provide an electric tool capable of actuating a brake not through an inverter circuit.A brushless motor 6 comprises: a stator including a stator coil 6d composed of three-phase stator coils U, V and W of star connection and a stator c...  
JP2017216835A
To provide a coating device which can be stopped only by an ordinary drive facility without occurrence of facility abnormality such as paper cutting when a power failure occurs.A converting apparatus comprises a control device. The contr...  
JP3213781U
[Subject] It is installed in a general-purpose motor attached to comparatively small drive machinery, and brake equipment of a single function simple [structure] and cheap is provided. [Means for Solution] Normally closed type switch con...  
JP2017210854A
To provide a controller for an automatic door used in a new way to automatically open/close a sliding door without causing a burden to an elder person, while maintaining a function of a hand and an arm of the elder person through opening...  
JP6239453B2  
JP6234869B2  
JP6234868B2  
JP2017205002A
To provide a motor-driven traveling device which suppresses unexpected movement of a vehicle body and releases a brake safely.A motor-driven traveling device comprises: a vehicle body; a travel driving motor which is capable of braking t...  
JP6229162B2  
JP6229160B2  
JP6226914B2  
JP2017200432A
To provide a method for controlling an electric motor.A method for controlling an electric motor having a rotor is provided. The method is implemented after a shutdown of the motor has been initiated. The method includes: starting a time...  
JP2017196979A
To provide a seat device for a vehicle which further exactly specifies a rotation direction after a stop of motor drive, and can suppress an error in position detection based on a count of a pulse edge of a pulse signal.An ECU counts a r...  
JP2017200352A
To provide a brake device capable of speedily operating a brake without generating a brake operation delay when power to a brake coil is cut off.The present invention relates to a brake device for braking rotation of a motor in a system ...  
JP2017200337A
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...  
JP2017192267A
To accurately detect a state of a brake even if load torque of a motor fluctuates.A brake inspection apparatus 1 for a motor 2 includes: a load torque measuring unit 4 for measuring load torque of the motor 2; and a determination unit 5 ...  
JP2017191359A
To provide a machine tool capable of improving waste of electric power of a servomotor, for a feeder in which a table to be fed is in a stopped condition.The machine tool comprises: multiple feeders 40, 50, 60 having feed screws, servo m...  
JP2017192299A
To provide a safety circuit (28) for a rotary drive (18), in particular for a vehicle hatch.A safety circuit (28) causes a braking action to a rotary drive (18) when the rotary drive (18) is deactivated and external forces are applied to...  
JP2017189029A
To achieve prevention of an inverter or a motor from being destructed by suppressing a rise in a voltage across a capacitor terminal and a rise in a phase current running through each phase of the motor when the inverter is isolated from...  
JP2017189079A
To provide a vehicle that prevents charging power to a power storage device from becoming excessive due to surplus generated power while, when a required driving force of a vehicle driven by a rotary electric machine decreases, surplus g...  
JP6212186B2  
JP2017182623A
To provide a technique capable of accurately stopping an object in a target stop position.A control system (1) controls a motor (81) driving a mechanical device (70). The mechanical device is driven by the motor, to move an object (71). ...  
JP2017184448A
To obtain a compact motor controller capable of preventing destruction of an inverter circuit or a motor, at a low cost, by suppressing increase in the phase current when three-phase short circuit processing was executed, and suppressing...  
JP2017184572A
To provide a traveling motor control apparatus for a vehicle capable of switching from a regenerative braking mode to a plugging mode with respect to a traveling motor without a rotation sensor.A controller 37 is configured to be switcha...  
JP2017184338A
To make it possible to more reliably prevent slip-down of a vehicle without cost.A vehicle control device 6 mounted on a vehicle performs control of drive of a motor 3 by controlling of driving current supplied to a coil of the motor thr...  
JP2017175692A
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...  
JP2017175853A
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...  

Matches 801 - 850 out of 13,542