Servo-controller

Details Servo-controller Servo-controller

1989-07-07

1991-06-11

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318652, 318681, G05B 102

Patent

active

050235362

ABSTRACT:
A deviation comparator (10) compares an output signal of a deviation detector (6) with a set limit value to anticipates a runaway, and if the runaway is judged thereby, an object unit (12) is isolated by a switch circuit (11), thereby to prevent destruction of a driving amplifier (9) and the object unit (12).

REFERENCES:
patent: 3736486 (1973-05-01), Gould et al.
patent: 3795851 (1974-03-01), Gage et al.
patent: 4238143 (1980-12-01), Shenk
patent: 4250441 (1981-02-01), Chapman et al.
patent: 4263539 (1981-04-01), Barton
patent: 4374423 (1983-02-01), Kundler et al.
patent: 4491112 (1985-01-01), Kanegae et al.
patent: 4712053 (1987-12-01), Numata
patent: 4785224 (1988-11-01), Pfalzgraf et al.

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