Servo motor control device

Details Servo motor control device Servo motor control device

1989-11-01

1990-10-30

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

'reset' systems

318610, 318721, 318803, 318811, 187119, 187115, 226 25, G05B 1136

Patent

active

049671286

ABSTRACT:
A servo motor control device as provided in which the torque indication signal is not effected by the speed of rotation of the motor. This is accomplished by providing a torque corrector for converting an output of a speed detector into a torque correction signal. A subtractor is used for outputting the difference between a current instruction signal and the torque correction signal. The output of the subtractor is used as the torque indication signal.

REFERENCES:
patent: 4027745 (1977-06-01), Watanabe
patent: 4307591 (1981-12-01), Peterson
patent: 4573002 (1986-02-01), Kurakake
patent: 4611159 (1986-09-01), Kurakake et al.
patent: 4914365 (1990-04-01), Murakami et al.

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