Optimum motor speed control system

Details Optimum motor speed control system Optimum motor speed control system

1997-11-21

1999-06-29

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

318257, 318432, 388811, 388819, H02P 517

Patent

active

059172967

ABSTRACT:
The method for controlling a motor driving a load holds the speed of the output shaft of the motor substantially constant as the torque imposed upon the shaft by the load varies, then regulates the rate of change of the output torque delivered by the motor's output shaft as the motor's speed decreases.

REFERENCES:
patent: 4614903 (1986-09-01), Betsch et al.
patent: 4775823 (1988-10-01), Yoshida et al.
patent: 5151637 (1992-09-01), Takada et al.
patent: 5568031 (1996-10-01), Jinbo et al.
patent: 5627440 (1997-05-01), Yamamoto et al.

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