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JP3934022B2 |
To smoothly move an open-close body in a specified region immediately after the driving of a motor for an opening and a closing. The motor 16 for the opening and the closing for an open-close means is PWM-controlled while the duty ratio ...
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JP2007143311A |
To provide a controller of a motor with an electromagnetic brake capable of downsizing a motor and easily estimating a motor temperature.If the motor temperature rises to reach to a thermal balance state with an electromagnetic brake coi...
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JP2007143265A |
To provide a protection circuit that, when a motor is abnormally overloaded due to some external factor, can protect an output transistor and the like without fail, and a motor driving device equipped with this protection circuit.The mot...
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JP3920838B2 |
To provide an electric hydraulic actuator device in which an actuator can be stabilized to operate by corresponding to the responsiveness of a motor and the hydraulic actuator. In the electric hydraulic actuator device, a hydraulic pump ...
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JP3919957B2 |
To form a DC electromagnetic brake in one surface brake type compact in an axial direction and economical, capable of corresponding even to enlargement in size of an electric motor, simplify a control circuit, decrease the cause of troub...
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JP3921266B2 |
To monitor the motion stroke of the constituent member without any danger of being caught. This is a method for monitoring the motion stroke of the constituent member which can be moved by a driving device 13 toward at least one end posi...
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JP2007125226A |
To provide a control device capable of controlling a sewing machine for both detecting methods even if two different kinds of methods are possible for detecting vertical positions of a needle bar.The control device is equipped with: a ki...
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JP3919002B2 |
To prevent the occurrence of overcharge or overvoltage of a battery and protect system components from overvoltage, etc. by enabling a power supply mechanism to stabilize the voltage of a power supply line generated by a motor even in ca...
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JP3917803B2 |
To provide a power window device with a less erroneous action by certainly detecting a clamping-in during the time until a stable action is carried out from the time of motor activation starting. The power window device is provided with ...
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JP3909847B2 |
To provide an improved power window nipping preventive device for rapidly detecting an abnormal current caused in a motor current by nipping of a foreign matter without wrong recognition to limit the motor current. The power window nippi...
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JP3907196B2 |
To provide a power window pinching preventive device for limiting a motor current by correctly and securely detecting abnormal current generated in motor current by the pinching of foreign matter in the power window pinching preventive d...
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JP2007097287A |
To provide a safe and inexpensive motor control device that comprises processing functions of rush-current suppression processing, regenerative power processing and dynamic brake processing.A diode 8 connected to a resistor 7 in parallel...
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JP3903425B2 |
To obtain a pumped storage power generator in which any one of emergency stop, abrupt stop and normal stop can be carried out stably with no possibility of deviating from a variable speed range. When an abrupt stop command is delivered f...
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JP3901928B2 |
To provide a controller for electric power steering device to perform an MA-MT control in case no or little steering torque is sensed, assuring a good returning characteristic of the steering wheel during low-speed running and good conve...
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JP2007082388A |
To make a motor operate as a generator, and make the margin to the threshold value of a voltage flowing backward to an inverter driving unit larger than a conventional unit.Resistors (4) having a resistance value mR/n (m is a natural num...
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JP3898035B2 |
To provide a method and a device for controlling a sunroof, capable of preventing an erroneous reversal or an increase in a pinching load, by preventing the erroneous reversal or the like of the sunroof occurring as a result of misjudgme...
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JP2007074871A |
To provide an overload detection device that detects an overload of dynamic braking regardless of whether a motor controller is turned on or off.The overload detection device is provided with a capacitor 3 connected in parallel to a brak...
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JP2007068400A |
To provide an apparatus for driving a motor in which a noise level and stopping time are reduced when controlling the motor to stop.The apparatus for driving the motor is provided with a plurality of transistors for driving motor winding...
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JP3892207B2 |
To provide an actuator controller for a sun shade which can save the power within itself. This is an actuator controller 1 for a sun shade which is equipped with a switch circuit 11 which forms a current path for a current which flows to...
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JP2007060746A |
To obtain a motor controller which surely continues to supply a motor with a drive current, in a condition with a mobile object does not reach the end of its travel.In this motor controller 10, the voltage value of a signal voltage, corr...
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JP3889669B2 |
To provide a motor driver which can surely maintain a motor shutdown state. A motor drive controller includes a position control section, a speed control section, a phase signal generating section, a current control section and a PWM con...
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JP3885777B2 |
To positively detect a pulse signal of an initializing pattern regardless of a stopping position of a DC motor 110. This system includes a pulse generator 158 for generating a pulse signal in response to the rotation of the DC motor 110....
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JP2007044586A |
To provide a centrifuge provided with a motor abnormality sensing means enabling a detection of an abnormal state of the motor constituting the centrifuge or a state approaching the abnormal state.A minimum deceleration time (lower limit...
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JP3885595B2 |
To accurately obtain a final stop position of a drive member without the influence of elongations of wires connecting a DC servomotor and a valve for controlling the motor. A drive member 2 driven by a DC servomotor 1 is connected with a...
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JP3884029B2 |
To provide a load control system that can effectively suppress the deterioration and the breakage of a circuit element in a control device after the generation of an abnormality caused by the damage or the like of a load. A microcomputer...
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JP3884450B2 |
To provide an electric power steering device capable of making a resistance value of each phase line in energization equal to each other in the electric power steering device having three-phase motor connected to three-phase line. The el...
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JP3883091B2 |
To allow stable power regenerative control, and enhance reliability. A power regenerative inverter 6 is operated when at least one condition out of two conditions of a fixed value or more of feeder voltage Ed and a fixed value or more of...
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JP3885284B2 |
To simplify structure and detecting part of compressing, equipment and protect a driving system, by breaking transfer of driving force when the detection value of a voltage detector is less than a given voltage and more than a given time...
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JP2007043790A |
To provide a technique of preventing the complication of the configuration in a device which fixes a mobile part driven by a motor in a given position.A locking device, which fixes the mobile part in a fixing position where the mobile pa...
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JP2007038467A |
To provide a technique for preventing complexity of a structure of a device for fixing a movement section driven by a motor to a predetermined position.A fixing device for fixing the movement section to a fixing position on which the mov...
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JP2007043874A |
To suppress sense of incongruity given to passengers, by suppressing abnormal noise generated due to the vibration of motor generator (MG) during regenerative braking.An ECU executes programs including a step (S130) in which the intensit...
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JP2007037382A |
To provide a dynamic brake enabling a stop method according to a machine, such as constant deceleration, and torque, in emergency stoppage, without having to provide dynamic brake circuits.In a method of driving a motor, ratio for igniti...
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JP2007034855A |
To prevent the life expectancy of a driving part from shortening due to long-time driving.In this actuator device 10, a counter value C of a counter is incremented while driving parts 14L and 14R drive by an operation command outputted f...
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JP2007037350A |
To operate a pair of linear-driving drive units while achieving its synchronization, thereby driving a driven member.In the actuator device 10, a control circuit 66 determines a drive motor 16 having a higher rotation speed from among th...
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JP2007020276A |
To provide a motor drive circuit which is capable of high-speed response and does not require relays or special power elements, and has a fast stoppage function.To make a motor stop urgently, a switch SW1 is switched to the side of a res...
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JP3871334B2 |
To provide a forcing stop type motor driven cylinder which can control accurately a forcing power, using a simple operation by performing a size reduction/weight reduction/lifetime increase of an apparatus, and reducing the manufacturing...
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JP2007014159A |
To provide a control method for eliminating the need of a means for detecting a temperature, and preventing a resistor from an overheat using a simple process procedure.The control method of the resistor for consuming power initializes t...
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JP2007014112A |
To provide a technique to suppress creeping of a drive mechanism for moving a move part driven by a motor when the move part is fixed in position.A fixing device is for holding the move part in a fixing position where the move part is br...
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JP3866330B2 |
To stop rotation of a spindle motor without generating any noise immediately before stoppage by delivering a stop signal even under a state where a signal can not be read out from a disc. Upon delivery of a stop signal, a SW2 is turned o...
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JP3867270B2 |
To sufficiently secure a braking force until an electric vehicle stops by suppressing to the utmost the heat loss of a switching element that is induced when an operation frequency for PWM inverter control (inverter frequency) passes a z...
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JP3865536B2 |
To provide a wiper control device capable of smoothly switching the rotating direction with the rotating speed in controlling a wiper link device which eliminates a difference in wiping range between high speed operation and low speed op...
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JP3864296B2 |
To prevent the continuous vibration of a steering motor in stationary steering by outputting a current command value for reversely rotating the motor on the basis of the electromotive voltage generated between armatures to the motor, and...
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JP3863529B2 |
To provide an apparatus and a method for controlling a motor which prevents the motor from being damaged due to overcurrent generated at the motor braking time. The apparatus for controlling the motor supplies an AC power to the motor ha...
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JP3863092B2 |
To realize a smooth travelling vehicle by an on-board motor while a storage unit is protected for receiving and delivering an electric energy from and to the on-board motor. A controller 17 calculates a total voltage (the calculated valu...
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JP3856767B2 |
To provide a motor with a brake capable of suppressing the heating of the brake by lowering a voltage which is applied to the brake from an initial stage and on. In the motor with the brake, the voltage of a drive signal to an electromag...
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JP3855609B2 |
To provide a wiper driving circuit for more safety by constructing a wiper to be surely operated if a wiper relay is melted. The wiper driving circuit comprises a wiper motor 12 to be operated with power supplied from a battery 20, a wip...
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JP2006333599A |
To provide a controller for a DC brushless motor capable of surely stopping a rotor at a determined position when the motor is rotated by an external force.This controller for the DC brushless motor includes a DC brushless motor 1, a mag...
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JP3853474B2 |
To prevent a motor from rotating at high speed while minimizing the printing speed drop by detecting the position of a print head using a slit plate and disposing a motor speed reducing means between lines in continuous line printing. A ...
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JP2006526970A |
The invention includes, among its various aspects, an apparatus, method and system in which an electric machine includes at least a portion of a magnetic circuit composed of an electromagnetic material having a Curie temperature, and fur...
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JP2006320134A |
To provide a motor drive circuit capable of improving an effect of regenerative braking without adversely influencing size reduction and power conservation.This motor drive circuit includes series connections (7U, 7V, 7W) of three pairs ...
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