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JP4817116B2 |
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JP2011217471A |
To provide a drive force transmission device allowing reduction in a dead zone amount of a drive system by a simple constitution and control.The drive force transmission device for driving driven parts includes a first driver and a secon...
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JP4802381B2 |
An entrapment detection device of an opening/closing member which efficiently performs an entrapment determination and restrains an entrapment load even when a motor rotational signal is not inputted. The entrapment detection device incl...
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JP4798541B2 |
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JP4794755B2 |
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JP4797323B2 |
The invention provides a synchronous motor sensorless controller which drives a synchronous motor without use of a rotational position sensor. The controller has a relative position counter 4 which acquires an estimated position of a mag...
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JP4786641B2 |
An actuator comprising a motor for rotating a shaft connected via a gear train to an output device; an interrupter vane connected to the output device and adapted to travel in a path corresponding to the movement of the output device; an...
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JP4788949B2 |
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JP4788294B2 |
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JP4786942B2 |
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JP4780392B2 |
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JP4778055B2 |
In a regenerative braking apparatus that is connected to a power supply apparatus that supplies electric power to a load, and consumes regenerative power regenerated from a load side together with other regenerative braking apparatuses t...
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JP2011172395A |
To provide a drive control device and method that can improve controllability of a moving speed of a moving member using a motor, and to provide a recording device.The drive control device includes a CR motor 29 that generates a drive fo...
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JP2011161649A |
To solve such a problem that a time up to stopping is taken because servo control is ended at the timing of ending the servo control, capable of obtaining the highest stop position accuracy for a target stop position, when a carriage is ...
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JP2011166954A |
To provide a device for control of an electric motor having a braking resistor circuit, capable of preventing malfunction of resistive braking, by obtaining a larger device capacity, even if power fluctuation of an AC power supply is lar...
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JP4756478B2 |
There is provided an inverter capable of reducing a speed in a short period of time without generating an overcurrent even in a case of an alternating current motor which is easy to be saturated magnetically. A frequency of driving a mot...
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JP4756855B2 |
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JP4749808B2 |
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JP2011151918A |
To provide a motor driving apparatus that allows a regenerative operation of a rectifier to be surely continued during continuous power supply from an inverter, or to be surely stopped at the end of power supply from the inverter.The mot...
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JP4732628B2 |
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JP4735918B2 |
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JP4727095B2 |
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JP4721647B2 |
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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JP2011131971A |
To set a discharge resistance to obtain an optimal braking time according to the operating state of an elevator at the emergency braking of the elevator.This braking control device for the elevator includes a plurality of discharge resis...
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JP2011135697A |
To prevent the occurrence of troubles, thereby enhancing the efficiency of inspection work.A failure prediction device for predicting failure includes a torque detector that detects a torque of a driving motor incorporated in the device,...
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JP4696361B2 |
The robot apparatus of the present invention autonomously makes natural motions. The robot apparatus is provided with a control means 32, which has a feeling/instinct model that causes a motion and changes the feeling/instinct model base...
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JP4696187B2 |
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JP2011109797A |
To provide a motor drive device for a compressor that suppresses a regeneration phenomenon when a compressor motor in an air conditioner stops, and eliminates an increase of cost resulting from the high-pressure resistance of a smoothing...
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JP4692671B2 |
To provide an electric cylinder control method and an electric cylinder control system that can prevent a pressurizing load from exceeding a target load and that is driven by a servo motor that can shorten pressurization time. A servo co...
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JP4692672B2 |
To provide an electric cylinder control method and an electric cylinder control system that can prevent a pressurizing load from exceeding a target load and that is driven by a servo motor that can shorten pressurization time. A servo co...
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JP4689846B2 |
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JP4686242B2 |
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JP2011101482A |
To eliminate unbalance in the three-phase relation, by properly correcting errors due to variations among elements used in a current detection circuit.A correction coefficient computing unit 10 utilizes an induced voltage produced in the...
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JP2011093442A |
To stop a steering assist naturally without giving an uncomfortable feeling to a driver even when the steering assist is stopped abnormally in a low power supply voltage environment in operation and control of an electric power steering ...
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JP4680492B2 |
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JP2011084374A |
To provide a hybrid type cargo handling machine having a device for sufficiently protecting a secondary battery.The cargo handling machine includes a motor, a generator, a converter for converting AC power from the generator into DC powe...
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JP4679281B2 |
A motor controller includes: an estimated temperature calculating section that calculates and stores an estimated temperature of a motor, and a control section that can perform a drive control of the motor only when this estimated temper...
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JP4677264B2 |
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JP4676171B2 |
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JP4672236B2 |
A control apparatus includes a current detector which detects a current of a synchronous motor, a coordinate converter which coordinate-converts the current obtained from the current detector into a current on rotational biaxial coordina...
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JP4669158B2 |
To provide an electric brake system which can decelerate and a vehicle using only an electric brake without using a frictional brake, and suppress an increase in the capacity of an electric good. This electric brake system is equipped wi...
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JP4668716B2 |
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JP4670190B2 |
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JP2011072179A |
To provide a drive device, especially, the drive device for a hatch in a vehicle, which can protect a discrete member of the drive device from a load peak and a damage which may occur as the result, and realizes low cost and simple struc...
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JP4666354B2 |
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JP4661188B2 |
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JP4657534B2 |
To properly maintain and release operation of a semi-conductor switch for a brake circuit without using an external power source such as a battery. This electric brake for a wind power generator comprises a brake circuit 10 provided with...
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JP4651939B2 |
A braking device of a DC motor (21) has a position detecting means (41) to detect a position of a motor shaft (29), a rotational speed detecting means to detect a rotational speed of the motor and a braking means (74) to generate a braki...
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JP4644462B2 |
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JP4636396B2 |
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