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JP2006087299A |
To effectively utilize regenerative energy to a full extent.A voltage reference output circuit 12 outputs a voltage reference signal V-EDLCref based on a speed detection signal Vel from a speed sensor 8. A voltage instruction output circ...
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JP2006074928A |
To provide a brush-holding DC motor or a brushless DC motor controlling device along with a voltage-raising means and the concept of miniaturized structure.This motor controlling device is structured with voltage-raising means (L2, Q1, D...
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JP3752079B2 |
To make an emergency stop of a machine in an operator cab or even outside the operator cab, in the machine capable of being driven either by an electric motor or an engine by enabling the electric motor and the engine to be stopped by on...
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JP2006507787A |
A power control system ( 12 ) for an electric motor having at least one magnetic bearing includes a DC/DC converter ( 18 ) supplied from a DC link bus ( 179 ) connected to a main power supply ( 14 ), the bus ( 17 ) supplying power for th...
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JP2006056440A |
To provide an occupant protection device capable of effectively reducing deceleration applied on an occupant in collision.A seat 1 is furnished with a seat widthward drive mechanism 14B and a seat depthward drive mechanism 14A to support...
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JP2006060943A |
To provide a motor capable of attaining high energy efficiency, prevention of motor driving due to the misoperations and improvement in safety.This motor has a main switch 24 for turning on/off a power supply B, a motor M driven by the p...
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JP3747274B2 |
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JP3745324B2 |
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JP2006038654A |
To provide a motor with a damping brake having high reliability by enabling release of a damping force without decomposing the damping brake and by reducing dispersion of brake retaining performance before and after release of the dampin...
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JP2006034027A |
To suppress an induced voltage that is generated from a current flowing in field windings, when a field winding electric motor is stopped.A motor induced-voltage estimating portion 4b of a microcomputer 4 estimates a motor induced-voltag...
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JP2006025470A |
To stop a vehicle in safety furthermore and to detect an error when an acceleration sensor mounted to an electric vehicle fails due to disconnection or the like.When an output signal from an acceleration sensor 14 varies abruptly, an acc...
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JP3738693B2 |
To control brake by surely detecting a stop position of a wiper blade. An auto stop plate 21 is connected to a rotary shaft of a wiper driving motor 20 driving the wiper blade 11 to detect a stop position of the wiper blade 11 and contro...
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JP2006020372A |
To improve the discharge efficiency of regenerative energy and further to raise the reliability on a controller.A chopper for regenerative power consumption, which speed-variably controls a motor 1 by a power converter 3 using a battery ...
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JP2006014455A |
To provide a motor driver for a brake which simplifies a circuit while having regenerating circuit for driving and stopping a motor, and drives the motor by a PWM control.The motor driver for the brake includes a first switching element ...
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JP2006014493A |
To provide a DC motor drive device which can perform overcurrent protective operation, to both a drive current to be supplied to an armature coil from a DC current through a switching circuit and a current flowing through the switching c...
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JP2006005981A |
To provide a motor controller which can be downsized at low cost by simplifying the switch constitution and can be used for both rush current suppressing treatment and regenerative electric power treatment with one resistor.A switch cont...
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JP2006002441A |
To use a control means for accurately recognize a predetermined position regardless of the opening/closing form of a closure.A second pulse signal generator 8 is arranged in a drive unit 4 for issuing a pulse signal with the rotation of ...
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JP3732172B2 |
To provide a suppression device and a method capable of easily suppressing overshoot of rotational speed of an internal combustion engine. The suppression device is equipped with a start-charging device 2 and a control device 4. The star...
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JP3721452B2 |
To provide an actuator control device for a sunshade capable of very easily matching the stop position of the winding side of the output shaft of an actuator with the winding position of the sunshade and reducing the man-hours in a compl...
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JP3722811B2 |
To provide a motor drive device comprising a regeneration control function and a power storage device which stores a regenerative current and supplies power to an inverter part at acceleration. A DC link part 3 to which a converter part ...
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JP3718794B2 |
To constitute a pre-full closing position so as to be settable by a position detecting means when performing touch stop control for stopping driving on the basis of detection of an obstacle after detecting the pre-full closing position b...
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JP2005323424A |
To provide a control method of an induction motor capable of attaining practically sufficient positioning stop accuracy while having an inexpensive constitution.In the control method of an induction motor 14 for moving an actuator 22 to ...
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JP2005320809A |
To provide a motor control device capable of protecting a circuit by highly accurately detecting generation of an overcurrent when starting driving of a motor.A nipping detecting circuit 5 detects that the overcurrent flows to the motor ...
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JP3717089B2 |
To make it possible to prevent the burning of a motor by the rapid increase of a load and the stagnation of heat for a long period without stopping the motor as much as possible by controlling the power to be supplied into the electrical...
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JP2005318758A |
To provide a motor control device that can prevent reduction in circuit scale and the breakage of a motor by detecting an overload of the motor by the change of a temperature caused by an increase in a drive current flowing to the motor....
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JP2005312109A |
To provide a regenerative brake system of an electric vehicle employing a shunt motor capable of performing regenerative braking accurately in accordance with traveling conditions of the vehicle while sustaining stabilized performance co...
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JP2005312149A |
To enable a vehicle to run while the vehicle is detecting a collision to an obstacle stably.A collision detecting apparatus detects the rotating speed of a DC motor during running of the vehicle, compares its output signal with a rotatin...
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JP3709620B2 |
To detect the upper and lower limit positions of a shutter curtain according to the raised and lowered positions of the shutter curtain itself. This device includes a tapelike switch 11, placed on the inner surface 5a of a guide rail 5 w...
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JP3709137B2 |
Wind power installations generally have an active drive for wind direction tracking. The active drive rotates the machine housing of the wind power installation in such a way that the rotor blades of the rotor are oriented in the directi...
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JP3708728B2 |
To miniaturize a device and save on a manufacturing cost and further, avoid a wasteful energy loss. The motor drive device for an injection molding machine is equipped with a power storage part 3 which stores an electric power and also s...
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JP3708393B2 |
To solve the problem that a shock against a nipped-in object cannot be reduced because the judgement for nipping the object in is delayed in a conventional nipping-in judging device and a conventional opening and closing device. Since pi...
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JP3704861B2 |
To prevent a door from vibrating when it reaches the transferring end. This automatic door opening/closing device is provided with a control means 3 which transfers the door 30 to the termenal point where the door collides and the transf...
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JP2005278348A |
To provide a regenerated energy utilizing device of a DC motor that further reduces power supply to an image forming device effectively utilizing regenerated energy of a motor that drives a load.This regenerated energy utilizing device o...
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JP2005269808A |
To perform retract operation control at high precision by preventing characteristic degradation or ASO breakage caused by the thermal loss of a power switch element at cutting off a power supply.A first operation in which an upper side p...
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JP3701207B2 |
To provide a motor control device which can be applied to a carrier wave synchronous type position estimation method and has a protective function such as detecting pole position inversion of a motor using a simple method, etc., and to p...
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JP2005261135A |
To provide a motor excellent in a torque and a weight balance and optimally miniaturized.The motor is provided with a magnetic pole means in which permanent magnetic pole rows have a plurality of permanent magnetic pole elements alternat...
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JP2005253213A |
To provide a motor control device for efficient regeneration even with multi-axis configuration.The motor control device in regenerative operation outputs a regeneration on signal, while another motor control device performs regenerative...
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JP2005253126A |
To prevent abrupt variation in engine rotation when regeneration energy exceeds chargeable power of an energy storage device.The hybrid vehicle comprising an engine 1, a motor 2 and an energy storage device 6 for delivering/receiving pow...
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JP3695113B2 |
To prevent malfunction of a power window by suspending the transferring motion of the window body to the opening direction when an external force detected by a sensor exceeds a specified value and the driving load detected by a load dete...
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JP3694494B2 |
To provide a power unit for a vehicle sliding door, which is equipped with a rational clutch mechanism as a combination of a mechanical clutch mechanism and an electromagnetic clutch mechanism. The power unit includes a wheel 26 driven f...
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JP3694721B2 |
To extend the possible control time of a total control circuit as long as possible by operating a step-up or boost control circuit when power supply is interrupted, and braking a motor opening and closing a door while charging a boost ca...
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JP2005245188A |
To provide a method and a structure for instantly stopping a fan in which the fan is forcedly stopped in a short time after a power supply is cut off, and omitting the time for inertial rotation.The moment the power supply for a fan is c...
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JP3688673B2 |
To provide a controller capable of providing efficient operation control with a permanent magnet type rotating machine by properly correcting the detection value of a magnetic pole position using a simple technique which uses no voltage ...
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JP2005229689A |
To provide an electric motor drive controller which can rapidly discharge the charge of a capacitor, even at the fault generation of an electric motor.The electric motor drive controller includes the electric motor 27; a motor drive circ...
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JP2005229765A |
To provide a backward movement inhibiting apparatus for inhibiting the backward movement of a vehicle at a start on a sloping road without supplying energy from gasoline.The backward movement inhibiting apparatus 1 for inhibiting the bac...
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JP2005525202A |
A system and method of controlling a motor-driven washing machine, the method comprising the steps of (S933) determining whether a first current speed of a motor (912) is greater than a first predetermined speed (W1) if a motor-interrupt...
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JP3685932B2 |
To provide an electric motor-driven actuator device, provided with a power interrupt mechanism capable of quickly resetting a magnetic coupling to coupling conditions. An action command generating means 85 actuates a drive signal generat...
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JP3687532B2 |
To provide an opening and closing controller quickly and effectively functioning as an insertion prevention after the starting of a motor and quickly accelerating the motor without causing any wrong decision on an insertion. An operation...
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JP2005224031A |
To surely protect a regenerative resistor, in a motor driving device capable of absorbing regenerative power.The motor-driving device 10 is a device that can absorb regenerative power from a motor and comprises an inverter portion 12, th...
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JP2005219914A |
To control a passenger conveyor in the optimum way in accordance with length of power failure, when it occurs, and operation conditions of the passenger conveyor without using a special backup power source while securing safety of passen...
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