Control circuit for stepping motor

Details Control circuit for stepping motor Control circuit for stepping motor

1981-09-08

1984-04-17

Rubinson, G. Z.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02K 2902

Patent

active

044437463

ABSTRACT:
A stepping motor-control circuit based on the micro-step control comprises an up-down-counter, a circuit for determining an excitation sequence for respective phases of the stepping motor in accordance with a count output of the counter, and a circuit for generating a stepped waveform excitation signal in accordance with the count output of the counter, so that the excitation state of each phase of the stepping motor is controlled in a stepped waveform consisting of a plurality of steps. The stepping motor is permitted to operate at high speed by raising the frequency of a reference clock signal applied thereto.

REFERENCES:
patent: 4158800 (1979-06-01), Jahelka et al.
patent: 4200812 (1980-04-01), Fichter
patent: 4283672 (1981-08-01), Throssell

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