Stepping motor signal circuit

Details Stepping motor signal circuit Stepping motor signal circuit

1975-01-10

1976-08-10

Schaefer, Robert K.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, G05B 1940

Patent

active

039744345

ABSTRACT:
A plural phase stepping motor control circuit in which damping is accomplished by energizing a previously energized phase prior to the expiration of the power cycle on a pair of other phases. The duration of the damping pulse is inversely proportional to the speed of operation. The logic involved allows for forward or reverse running. A sprocket latch circuit locks out spurious overshoot responses, such as may be caused by vibration, damaged tape, or other irrationality.

REFERENCES:
patent: 3345547 (1967-10-01), Dunne
patent: 3636429 (1972-01-01), Jakubowski

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