Stepping motor damping circuit

Details Stepping motor damping circuit Stepping motor damping circuit

1974-03-08

1976-06-22

Schaefer, Robert K.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, G05B 1940

Patent

active

039654060

ABSTRACT:
A plural phase stepping motor control circuit in which damping in 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: 3423658 (1969-01-01), Barrus
patent: 3466520 (1969-09-01), Aylikci et al.
patent: 3541418 (1970-11-01), Agin et al.
patent: 3586953 (1971-06-01), Markkanen
patent: 3636429 (1972-01-01), Jakubowski
patent: 3660746 (1972-05-01), Milek
patent: 3767993 (1973-10-01), Yablonski

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