Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,401 - 1,450 out of 10,551

Document Document Title
JP4817116B2  
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...  
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...  
JP4798541B2  
JP4794755B2  
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...  
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...  
JP4788949B2  
JP4788294B2  
JP4786942B2  
JP4780392B2  
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...  
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...  
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 ...  
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...  
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...  
JP4756855B2  
JP4749808B2  
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...  
JP4732628B2  
JP4735918B2  
JP4727095B2  
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...  
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...  
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,...  
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...  
JP4696187B2  
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...  
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...  
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...  
JP4689846B2  
JP4686242B2  
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...  
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 ...  
JP4680492B2  
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...  
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...  
JP4677264B2  
JP4676171B2  
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...  
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...  
JP4668716B2  
JP4670190B2  
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...  
JP4666354B2  
JP4661188B2  
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...  
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...  
JP4644462B2  
JP4636396B2  

Matches 1,401 - 1,450 out of 10,551