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Matches 651 - 700 out of 13,532

Document Document Title
JP2019149917A
To realize fully self-sustained no-power braking with a simple circuit configuration.A motor drive control device 1 according an embodiment includes a motor drive unit 10 that selectively energizes three-phase coils Lu, Lv, and Lw of a m...  
JP2019148293A
To be able to operate effectively.A variable speed-increasing gear comprises: a planetary gear transmission 10 for transmitting the rotary driving force transferred from an electric motor device 50 to the drive object via an output axis ...  
JP2019146361A
To achieve adaptive control of a servo motor while suppressing generation of a cost increase.An auto air-conditioner ECU 30 executes drive control intended for a servo motor 21 for blowout mode door drive installed on an automatic air-co...  
JP2019141969A
To provide a control device of a robot capable of removing an influence of backlash generated in a drive mechanism of an arm.When a revolving shaft 25 is restricted by a brake 26, a microcomputer 13 for control sets a torque limit value ...  
JP2019146478A
To provide a method for supporting adjustment of a heat engine by a rotary electric machine.In the method for supporting adjustment of a heat engine (11) of an automobile by generation of resistance torque by a rotary electric machine (1...  
JP2019137076A
To provide an electric brake device which has high serviceability.In the electric brake device which presses a friction member on a rotor rotating along with a wheel by force of an electric motor, it controls pressing force with feedback...  
JP6562798B2  
JP2019134501A
To suppress the variance of lapses of time until a backup operation is determined to start after a power cut occurs.A motor driving device 10 comprises: a rectifying circuit 12 for rectifying an alternating-current input voltage Vi suppl...  
JP6556183B2  
JP6555167B2  
JP2019126903A
To provide an automatic control device and an automatic control method, which can effectively adjust a rotation angle of an output shaft of a motor device corresponding to the magnitude of torque applied to the output shaft.An automatic ...  
JP2019127205A
To provide a lid opening/closing device of a work vehicle, capable of preventing a lid from moving by inertia when stopping the movement of the lid during opening/losing operation.A canopy opening/closing device comprises a control box 2...  
JP2019127206A
To provide a cover opening and closing device of a work vehicle capable of reliably performing rising actuation of a cover while suppressing a load of a motor or the like at a cover stop position.A canopy opening and closing device inclu...  
JP2019124338A
To provide a transmission system capable of suppressing adverse influence such as overcurrent in an electric motor by properly adjusting a degree of transmission of driving force through a belt between the electric motor and an operation...  
JP2019126242A
To facilitate detection of regenerative power generation, simplify regenerative power consumption control and suppress deterioration of a battery or prevent destruction of a circuit element constituting a DC power supply or a motor drive...  
JP6548101B2  
JP2019118963A
To prevent breakage of an appliance such as an inverter circuit and so on.An electric tool 10 comprises a control part 50 for controlling rotational drive of a motor 31, and the control part 50 comprises a switch gear 29, a diode 54, an ...  
JP2019122256A
To provide a method and apparatus for generating a motor brake signal, which is related to an electronic device technology area.A generating method of a motor brake signal according to the present invention includes a step S1 of obtainin...  
JP2019122238A
To effectively suppress both the rapid deceleration of a motor and the overvoltage of a power line connecting a DC power supply and an inverter.A control unit 30 performs abnormality determination on at least one of a DC power supply 2, ...  
JP2019116921A
To provide a shift range control device which can accurately stop a motor.An angle calculation part 51 calculates an encode count value θen being a rotation angle of a motor 10 on the basis of a detection value of an encoder 13. A speed...  
JP6544282B2  
JP2019112975A
To improve a problem with robustness and a problem with demagnetization.A fan motor system used for cooling coolant for a radiator includes: a fan motor; and a fan connected to the fan motor and rotating while interlocking with rotation ...  
JPWO2018180083A1
In a rotating rotary tool, when it switches off and a tip tool is stopped, it controls that the fixed implement which is fixing the tip tool loosens. The switch which is a rotating rotary tool which equips a spindle with the tip tool whi...  
JP6538573B2  
JP6536319B2  
JPWO2018100942A1
Since a realizable power tool with sufficient balance is provided for control of reaction by a brake, and control of jumping of the voltage by regeneration energy, a grinder (1) is, A motor (6) and a motor (6) are equipped with the contr...  
JP2019106772A
To provide a motor control device capable of switching a unit rotation amount of a rotary reel which is driven by a motor.A motor control device comprises: a communication unit 10 which receives a rotation amount setting signal represent...  
JP2019516641A
The present invention is the motor (2) designed as a 3 phase asynchronous motor, In order to go up and drop a load (L), it has a motor (2) which can make a rise-and-fall device (1a) drive by that cause, And it is related with the rise-an...  
JP6533548B2  
JPWO2018030362A1
[Means for Solution] An upper part switching element and a bottom switching element connected to the upper part switching element and series, A gate drive circuit which is a motor drive circuit which drives a preparation and a brushless ...  
JP6528638B2  
JP6528080B2  
JP2019088062A
To provide a drive circuit capable of applying a short brake properly.A first detection circuit 410 generates a position command value P_TGT indicating the target position of a rotor and a speed command value V_TGT indicating the target ...  
JP6521526B2  
JP2019080392A
To implement a motor driving device having a long life.A motor driving device (11) includes a motor driving circuit (3) that supplies AC current to a motor (2), and a dynamic brake circuit (4). The dynamic brake circuit includes a mechan...  
JP6513006B2  
JP6514895B2  
JP6510474B2  
JP6507603B2  
JP2019068728A
To provide an emergency braking system for a driving system.A system comprises: a converter operably connected to an AC power and a DC bus; an inverter operably connected to a motor and the DC bus; and a controller. The converter include...  
JP2019068511A
To provide a servo driver capable of avoiding motor excitation stop and alarm announcement that are derived from regenerative energy generation in a servo notor system.There is provided an AC servo driver 10 comprising a deceleration buf...  
JP2019058036A
To provide a driving device for an electric actuator employing a ball screw capable of effectively reducing the possibility of occurrence of a serious defect such that a screw shaft gets inoperable.A driving device 60 is configured to dr...  
JP6497177B2  
JP6490520B2  
JP2019047680A
To provide a vacuum pump which safety shifts to a circumvention mode while avoiding an over voltage, and a motor controller.A turbo molecular pump 1 comprises: a power supply unit 4 that converts an AC power obtained from an AC power sup...  
JP6487879B2  
JPWO2017199661A1
[Subject] Braking torque is produced, without sending the regeneration current to a power supply. [Means for Solution] This motor drive controller is provided with the following. (A) An inverter part which drives a motor, (B) A separatio...  
JP2019037085A
To provide a sheet conveying device that can prevent damage to a device due to a counter electromotive force generated in a motor regardless of the state of a cover member, and an image forming apparatus.A motor 41 drives a roller 40 pro...  
JP2019037122A
To provide a control system for a three-phase AC motor.In a method for controlling a three-phase AC motor, the three-phase AC motor has a rotatably mounted rotor, and a stator that includes a first group of coils and a second group of co...  
JP2019037095A
To achieve completely independent non-electric source braking by a simple circuit configuration.A drive control device 1 for a motor according to an embodiment comprises: a motor drive part 10 for selectively energizing coils Lu, Lv, and...  

Matches 651 - 700 out of 13,532