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JP4561167B2 |
An inverter controlled generator set including: an AC generator driven by a prime mover; a converter which converts an output of the AC generator into a DC output; an inverter which converts an output of the converter into an AC output h...
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JP4561616B2 |
In a drive system of an AC motor in which a motor current is feedback-controlled, a motor current command is produced in a normal operation according to a torque command value on an optimum efficiency characteristic line (CLO) so as to s...
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JP2010220371A |
To provide a method of enabling a protection of a circuit even in a case where, if a power source voltage rises and a current continues to flow in a regenerative circuit even with a small regenerative power from a motor or if a regenerat...
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JP2010220286A |
To provide a motor control device capable of discharging the charges accumulated in a capacitor without installing a discharging resistor or an additional circuit for discharging, and to provide a vehicle system.The motor control device ...
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JP4553429B2 |
A decelerating method with low power consumption can be selected when rapid deceleration is not required. A disk can be stopped promptly and reliably even when a need arises for stopping the disk during deceleration of the disk by the me...
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JP4546988B2 |
The invention provides a control apparatus of a power conversion system for driving an induction motor via a VVVF inverter (5), wherein the AC voltage generated by the inverter (5) is increased so as to expand the high-speed side propert...
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JP2010207043A |
To provide a power supply device for electric hoists capable of maintaining the life of an electricity-accumulating device for a long time and acquiring an energy-saving effect for a long period of time by suppressing the reduction in ca...
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JP2010206968A |
To provide a motor drive circuit capable of detecting the fact that the frequency of a control signal has changed into a state which indicates stoppage of the motor more quickly.Upon detecting the fact that the pulse output frequency of ...
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JP4543497B2 |
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JP4543467B2 |
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JP4544884B2 |
In addition to the construction of a typical elevator control device in which power generated during regenerative operation is dissipated by a resistance chopper (18), an elevator control device is newly provided with: an electric double...
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JP2010200564A |
To provide a motor driving device that calculates and detects a terminal voltage of a capacitor by using a quick-response signal of a current detection circuit to correctly determine the amount of capacitor energy to be controlled for ch...
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JP4539173B2 |
A inverter has a switching device for switching DC to change it to AC, and a bipolar type rechargeable battery connected to the switching device in parallel or in series for smoothing the current from the switching device.
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JP4539224B2 |
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JP2010193648A |
To provide a controller for driving a DC brushless motor that stops rotation of a motor with a small regenerative current and in a short time, and to provide an image forming device equipped with this drive controller.In the controller f...
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JP4524855B2 |
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JP4526612B2 |
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JP2010178570A |
To attain a protection circuit during regeneration with simple circuitry, and to ensure safety of the peripheral devices without generating unwanted radio waves, radiation, or the like, for the peripheral devices.A voltage division circu...
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JP2010167341A |
To provide a garbage disposer where there is no possibility that any offensive odor is diffused to surroundings even if a lid is opened during an operation.The garbage disposer including the lid 51 rotatably provided on a body 31 having ...
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JP4516656B2 |
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JP2010161875A |
To provide a deceleration control method for an induction motor that achieves the shortest deceleration time by eliminating strict calculation and accurate frequency control, corresponds to changes in load inertia, and is also applicable...
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JP2010161885A |
To provide a motor speed estimation device that obtains precise speed information in substantially real time without detecting a zero-cross point of current, and to provide a flat motor using the motor speed estimation device. The motor ...
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JP4501751B2 |
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JP2010149276A |
To provide a robot device autonomously movable based on the states of the emotion and instinct of the robot device itself. This robot device 1 performs the motions according to the input information S1-S3 supplied thereto. The robot devi...
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JP4495829B2 |
An electro-mechanical actuator is adapted to be connected to an external device for displacing the external device to a predetermined position and maintaining the external device at that position. The actuator includes a housing which ho...
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JP2010522295A |
A multi doorlock includes a doorlock unit (200) installed to a hinged door (100), a non-powered DC motor (300) installed to the doorlock unit, and links (400)(410) having one ends connected to the DC motor and the other ends installed to...
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JP4487588B2 |
An opening and closing body control device includes an actuation means (15) for actuating an opening and closing body which operates relative to a body, a speed detection means (21, 22) for detecting moving speed of the opening and closi...
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JP4485768B2 |
The present invention provides a mirror device motor control circuit that can reliably stop a mirror at predetermined positions with a simple configuration. In the control circuit of the invention, part of a lock current flowing to the m...
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JP2010130714A |
To provide a power generation type brake device which is constituted without using an electric switch, and maintains the stability of a body which is mounted with a motor. In the power generation type brake device which brakes the motor ...
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JP2010130795A |
To reduce the number of input/output points and the man-hours for wiring of signal lines between an electric actuator and an external control device. The electric actuator includes a slide table attached to a base so as to freely recipro...
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JP4479422B2 |
To obtain a washing machine employing an inverter motor in which an inertia rotation time of a motor can be reduced when power supply from an AC power supply is interrupted during the rotation of the motor, and the voltage of a DC power ...
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JP4472123B2 |
The commutation poles (C1,C2,C3) and the current lines are arranged within the module housing to realise a motor control function of reverse, star-delta, or distributor type. The pole control unit constituted by an electromagnet (E1) and...
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JP4472350B2 |
A differential planetary gear apparatus according to the present invention is characterized in that the differential planetary gear apparatus has a single-pinion-type structure in which one planetary gear (3) is arranged in a radial dire...
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JP2010116867A |
To provide an electric power control device capable of further surely saving electric power, while reducing a burden in OFF operation in intermittent operation of a compressor.This electric power control device 1 includes a cutoff part R...
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JP4468031B2 |
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JP4469397B2 |
The servo motor is controlled by a control signal from a control circuit. A common branch line is separated from a positive common line in accordance with information that a safety door is opened. Thus, a first gate drive circuit group i...
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JP2010111449A |
To provide a hoist braking device capable of materializing stable braking action without depending on adjustment when shipping or manual adjustment.The hoist braking device includes: a brake shoe 8; an armature 7 connected to the brake s...
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JP2010110139A |
To simplify a configuration by eliminating signal transmission between a controller and inverter devices and between the inverter devices.The inverter device each include: an inverter circuit 7 in which a DC voltage at both ends of a smo...
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JP2010110080A |
To reduce damage of a driving system or possibility of deviation of a work due to sudden deceleration in a case of a machine of low permission acceleration of the driving system or a case when the work is held in a control object in a mo...
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JP4461877B2 |
A voltage type inverter apparatus comprising a voltage correcting portion. The voltage correcting portion corrects a given voltage instruction based on a value generated by passing a direct current bus voltage detected value through a fi...
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JP2010104173A |
To secure a mounting space and reduce cost to achieve a regenerative operation and a power operation that do not affect the operation of a motor.In regenerative operation, a regenerative power accumulating/discharging unit 50 controls a ...
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JP2010095965A |
To obtain a powered door which gradually releases the strain of a power transmission mechanism even when the drive of a door body is released at a stroke.This powered door for opening/closing a door opening by driving the door body throu...
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JP2010095964A |
To obtain a powered door which enables the smooth behavior of a door body during braking.This powered door for opening/closing a door opening by driving the door body through the use of power of a motor (510) via a power transmission mec...
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JP2010093970A |
To provide a motor device which can be handled safely, even if it is equipped with a regenerative resistor.In a regenerative resistor temperature indicator 16, which displays the temperature of a regenerative resistor 15 of a motor devic...
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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 ...
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JP4450682B2 |
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JP4450469B2 |
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JP4445978B2 |
A cooling system is provided with a motor drive device, a fan motor, and a Hall element. The motor drive device includes a lock protection circuit and a lock controller. When a control signal instructing rotation of the fan motor that is...
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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...
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JP4446284B2 |
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