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Patent Searching and Data


Matches 1,951 - 2,000 out of 13,796

Document Document Title
JP2008239084A
To certainly absorb regenerative power of an electric motor by an auxiliary drive power unit for operating a carrier during a blackout in a gondola lift when a load on the side of a downline becomes larger than that on the side of an inb...  
JP4162781B2
To obtain a control device with which a running operation up to a prescribed destination can be performed safely and surely, by limiting the output to a drive wheel, when an abnormality is generated in the drive system or the control sys...  
JP2008236828A
To provide a servo amplifier which can process power recovery in safety after emergency stop.In a servo amplifier 1 for conducting a servo motor 5 by turning a servo conduction command from a host apparatus 4 on, emergency stopping the s...  
JP2008228564A
To provide a device and method for thermal overload protection.To provide a device and a method for thermal overload protection for a drive system of an adjusting device equipped with electronic pinch protection, especially for a window ...  
JP2008223834A
To minimize a defect that steering torque fluctuates in setting the initial stop position of an electric motor of a differential gear with a differential limiting mechanism.At first the electric motor is driven in such a direction that a...  
JP2008228381A
To provide a motor controller capable of realizing slow deceleration.When descending heavy materials including a seat or a lift are stopped, an FET is turned off to interrupt power supply to a lift motor (S1). By turning off a lift motor...  
JP4154679B2  
JP4154798B2  
JP2008213766A
To quickly reduce a field current, thereby enabling a motor to stop quickly, and reducing the time required to transition into the next control action.In the control device of a four-wheel drive vehicle in which front wheels 12, 13 are d...  
JP2008220028A
To accurately control stop of an electric vehicle using an inexpensive Hall IC while minimizing the influence of an error component.The electric vehicle 100 includes: a control lever 82; an axle 102; a motor 10 whose rotation is controll...  
JP4151439B2  
JP4150868B2  
JP2008211953A
To provide a servo controller for a motor by which a rotating speed is securely reduced to zero.The servo controller for the motor includes a drive control portion 4, a braking control portion 3, a position detecting means 9, a position ...  
JP4146498B2  
JP4144446B2  
JP2008199777A
To shorten a setting time by suppressing minute vibration generated immediately after a deceleration stop at high-speed moving, and to stabilize a constant speed range after acceleration at low-speed moving, in a tandem drive unit.In the...  
JP2008195240A
To provide an electric power steering device capable of suppressing an impact applied when reaching the steering limit and enhancing the mountability on a vehicle.The electric power steering device has an electric power steering unit 4. ...  
JP2008199729A
To prevent malfunction of a power supply unit by preventing a counter electromotive force induced in a first load section, when power supply is interrupted from being supplied to other load section.A power supply section 13 supplying DC ...  
JP4140388B2  
JP2008193790A
To achieve smooth stop control of a turbocharger with an electric motor.An electric motor driver E for the turbocharger with an electric motor supplies a motor current of each phase to a permanent magnet synchronous motor 3, which forms ...  
JP2008189440A
To restrict over-discharge of an electric double-layer capacitor during power run of an elevator.The device is provided with a first voltage detection part 9 to generate a first voltage detection value by detecting the voltage on a capac...  
JP4137652B2  
JP4137854B2
A control device for safely controlling an electrical motor during decelerating and stopping operations of the motor. The control device includes a control part for controlling the decelerating and stopping operations; a monitoring part ...  
JP4136484B2  
JP4131301B2
An electric motor control apparatus (40) includes an electrical current control apparatus (60) which is operable to limit current to an electric motor (42). When the electric motor (42) is a three-phase motor, three current limiting swit...  
JP4131146B2  
JP4133054B2  
JP2008182778A
To provide a device transfer apparatus provided with an emergency stop circuit having a function of automatically interrupting all electric power connected to a AC main power source after a linear motor is stopped by a brake by simply pr...  
JP2008182821A
To avoid destruction of a power element arising from the passage of an excessive dynamic brake current, degaussing of a motor magnet, mechanical damage due to excessive torque impact, and the like, without unnecessarily lengthening the s...  
JP2008530971A
A circuit for protecting against controller failure wherein the controller provides control signals for controlling a DC to AC inverter fed by a DC bus and driving a permanent magnet motor, the circuit comprising a first circuit for moni...  
JP4126510B2  
JP4125627B2  
JP4124447B2  
JP4118107B2  
JP4118841B2  
JP4120708B2
Specific anomalies and details of failures as well as measures thereagainst are described that might possibly occur in electric power converters that drive and control permanent-magnet synchronous motors. An electric power converter capa...  
JP4119518B2  
JP2008155023A
To hold down the cost of a washing machine by eliminating a high-power resistor in braking a motor of the washing machine, and to heighten the reliability.This washing machine 10 includes a motor 12, an inductive winding device, a motor ...  
JP2008160943A
To suppress the frequent execution of error processing, and to prevent a motor from being stopped when a driven body is in an improper state.(a) This motor control device is a sensor which outputs a rectangular wave-shaped signal. The se...  
JP2008524980A
The invention relates to a control circuit for controlling a DC voltage power supply, whereby the control circuit comprises a switching element connected in series to the motor and a bypass switch connected in parallel to the electromoto...  
JP2008161049A
To provide an electric braking device, especially for a sheet-fed printer, capable of accomplishing its purpose by a comparatively small-sized mechanical braking part.A drive motor 13 is connected to a DC voltage intermediate circuit via...  
JP2008154335A
To provide an inverter in which incorrect detection of DC voltage rise of the inverter and incorrect overvoltage suppressing operation can be prevented, and to provide a method for suppressing overvoltage.An overvoltage suppressing secti...  
JP2008154386A
To provide a motor controller wherein a dynamic brake function can be easily enabled or disabled according to the intended use.The motor controller 1 includes: a control circuit 21 for controlling the operation of a motor; and a dynamic ...  
JP4112569B2
While a PWM-controlled, FET-switched three-phase motor (26) is operating in a mechanical damping mode, a single current sensor (32) is used to measure current in the motor (26). When mechanical feedback into the motor (26) exceeds a pred...  
JP2008148376A
To obtain a variable speed drive controller of a motor equipped, as a part thereof, with a plurality of AC motors for powering operation and regenerative operation and ensuring high efficiency and high power factor through an inexpensive...  
JP4104755B2  
JP4097412B2
To provide a wipe controller capable of moving two overlapping wiper blades without collision. When angular speed of the first wiper blade 10 exceeds a predetermined value while the first wiper blade 10 is within an overlapping wiping re...  
JP4099647B2  
JP4099503B2
A fixed-position stop control apparatus (10) includes: a move-instruction generating means (22) for generating a move instruction for each control cycle; a position loop control means (25) for position controlling a rotation shaft (61) f...  
JP4100029B2  

Matches 1,951 - 2,000 out of 13,796