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Matches 1,751 - 1,800 out of 13,794

Document Document Title
JP2010088788A
To provide a motor control device of a sewing machine which stops a needle with good accuracy while being inexpensive.In this motor control device of a sewing machine, the range of one rotation of a main shaft is classified into a stop p...  
JP4451431B2
A fan system and a stopping method for the fan system are provided. The fan system is electrically connected to a power supply and receives the power therefrom. The fan system includes an energy storage apparatus, a motor and a start-up ...  
JP4450682B2  
JP4450469B2  
JP2010081733A
To reduce the impact of back-EMF of a motor by an appropriate method.A printer is equipped with a voltage control section 20 for controlling the supply voltage to a motor which provides power to a carriage, wherein the voltage control se...  
JP2010076155A
To provide a rotary printing machine wherein equipment structure can be compact in size and also equipment cost can be kept low, thus enabling the optimal stoppage of the delivery of a web.The rotary printing machine 10 includes a printi...  
JP4445978B2  
JP4447891B2
When torque of a DC motor is dropped down to zero at a stop position, force is generated by deformation of a member for transmitting the torque of the DC motor. The force moves the driven body which is in the stopped state, which results...  
JP4446284B2  
JP2010074946A
To provide a motor drive technique which can prevent abnormal heat generation of a motor due to soldering defects in a motor protective circuit.A soldering defect detection motor protective circuit 11 detects the presence of abnormality ...  
JP2010063200A
To provide a motor with a built-in driving circuit, which protects a driving circuit from the electromotive force of the motor, increases the number of turns of a motor coil, and reduces a motor current.The motor with a built-in driving ...  
JP2010063203A
To provide a motor drive circuit capable of unfailingly performing a fail operation while protecting a short circuit switching element in a fail.In order to achieve the purpose, the motor drive circuit C for opening a relay 6 and causing...  
JP4433149B2
A method for controlling an inverter controlled generator set which comprises a DC power source section having as a power source a generator driven by an engine and an inverter which converts an output of said DC power source section int...  
JP2010051535A
To provide a washing drying machine for attaining an optimum regenerative power control state when mounting a compressor.When a dehydrating operation is terminated, so as to operate braking (step S1:YES), a control circuit adjusts regene...  
JP2010057245A
To provide a motor controller which is equipped with an emergency shutdown system that can variably adjust the braking force, according to the position in the stroke range of a movable body, that enables the braking force to be variably ...  
JP4427215B2
The system has an electric motor (23), a current sensor (42) and a controler (31) that measures at least one current parameter when the motor is supplied with current for leaving an end position, stores it as a reference parameter, conti...  
JP4424813B2  
JP2010045912A
To provide a motor control apparatus which has a function to prevent dropping of a shaft when powered on.The motor control apparatus includes a PI control part 1 for controlling the speed of a motor 4, a brake device 8 for preventing dro...  
JP4422489B2
The present invention involves a dynamic brake for use in a peristaltic (i.e., roller) pump. The dynamic brake avoids backlash, due to counter rotation. In addition, it does not preclude the option of hand operating the roller pump. This...  
JP2010041776A
To provide a flywheel emergency shutdown device which can stop the flywheel of a flywheel-type accumulator in a short time, and also whose scale does not depend upon the scale of the flywheel-type accumulator.The flywheel emergency shutd...  
JPWO2008047439A1
It is a power converter which can be applied to stability with the protection function which can perform a suitable measure to the failure which shows the measure means according to the contents of concrete failure which may generate a p...  
JP4418259B2
The invention relates to a control apparatus for an electric motor and for an electro mechanical brake having a relay switch (43) for selectively connecting a power supply line of an inverter (31) to a ground line, GND, being inserted be...  
JP4415394B2
The device has a speed reduction device (42) placed between an electric motor (41) and a steering shaft for transmitting a torque generated by the motor to the shaft. A steering limit detecting device (44) detects whether a steering valu...  
JP4417586B2  
JP2010035359A
To provide an electric hoist which reduces shutdown of the electric hoist, reduces damages to a regenerative resistor and notifies early detection of failure, while protecting the regenerative resistor of an inverter apparatus.Hysteresis...  
JP4411381B2  
JP2010028996A
To provide a reciprocal mechanism, a control method therefor, a ticket cutting device equipped with the reciprocal mechanism, and a sheet processing device, for stopping a movable member driven with a DC motor at a target position while ...  
JP2010028997A
To provide an electric motor capable of braking with a simple configuration when cutting off power supply.The electric motor 10 includes a magnet 125, an electromagnetic coil 120, a rectifier circuit 140 connected between both ends of th...  
JP2010017368A
To achieve a drum type washing machine allowing the prevention of automatic turn-off by an inverter circuit failure or abnormally high voltage detection while keeping optimum brake control without an influence of dispersion during assemb...  
JP4404409B2
At a bobbin winding station, to stop the electric drive motor (13) for the grooved drum (10) to give the reciprocating yarn guide movement, the motor is fed with a braking current in the opposite direction to the nominal current supply. ...  
JP2010004713A
To suppress operation of a carriage from going into an unstable state, when controlling a motor that drives the carriage which is moving reciprocatively.A motor control apparatus for controlling a motor for driving a carriage that moves ...  
JP2010500069A
A cleaning appliance includes a motor arranged to drive a fan for generating suction air flow and a cleaner head having a drivable agitator with a dedicated motor. The agitator drive motor has a selectively-operable switch and a resettab...  
JP2010001655A
To provide a swing drive control unit which can be mounted even in large-sized construction machinery, without an electric motor and an inverter; and to provide the construction machinery including the swing drive control unit.This swing...  
JP2009303395A
To provide a brake circuit for a linear motor, capable of reducing power consumption in switching operation and controlling the braking force of the linear motor from the outside.The brake circuit for a linear motor has: a three-phase fu...  
JP2009303376A
To provide a brake circuit for a linear motor, capable of controlling the braking force of a linear motor from the outside.The brake circuit for a linear motor has: a three-phase full-wave rectifier circuit 20, connected in parallel with...  
JP4389975B2
To provide the safety system and safety equipment that can be constituted by only one main magnetic contactor, although two main magnetic contactors have been required for duplication to interrupt the power supply to the three-phase moto...  
JP2009303377A
To provide a brake circuit for a linear motor, capable of gradually controlling a brake current from the outside.The brake circuit for a linear motor has: a full-wave rectifying circuit 20 connected in parallel to loads 1 of the linear m...  
JP2009303480A
To provide a method of the dynamic braking of a motor.In the method, the inverted energy of a motor is dissipated (270) inside the motor windings during the non-current feeding term of the commutating sequence of the motor by short-circu...  
JP2009296725A
To provide a drive device which highly precisely positions a stop position of a vibration-type motor without increasing cost and enlarging the system.The drive device performs intermittent drive control (steps S15 to S18) for temporarily...  
JP2009296792A
To improve the life of a battery by increasing the efficiency of regeneration in supplying a field current to a rotor coil and reducing a regeneration current to the battery connected to a stator coil.A coil field type synchronous motor ...  
JP4379053B2  
JP4378935B2  
JP2009284747A
To provide a permanent magnet synchronous motor drive, reducing costs by suppressing a generated regenerative voltage without increasing the number of parts when a permanent magnet synchronous motor is rotated forcibly.The permanent magn...  
JP2009284575A
To provide a device for controlling a traveling mechanism that properly stops the traveling mechanism of a lower traveling body which is driven by a motor, when an electric wire between a battery and the motor is disconnected.In this con...  
JPWO2008001450A1
インバータ装置などの電力供給装置に複数の 回生制動装置を接続する場合に、各々の装置 の動作レベルに部品公差等が存在する場合で あっても、信頼性の低下を招来すること...  
JP2009274057A
To provide a control device and a method for a pulse jet type dust collector which enable self-cooling of a motor for a blower even when equipment to be dust-collected repeats operation and stop.In the control device for the pulse jet ty...  
JP4371453B2  
JP4367341B2  
JP4369500B2  
JP4367620B2  

Matches 1,751 - 1,800 out of 13,794