Method of driving and controlling a stepping motor

Details Method of driving and controlling a stepping motor Method of driving and controlling a stepping motor

1987-05-29

1988-11-01

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

047822775

ABSTRACT:
A method of driving and controlling a stepping motor having stationary field poles corresponding to N phases (N: an integer greater than or equal to 4) in which the stationary field poles are successively driven for m steps in such a manner that a number n, ranging form 1 to (N-2), of phases are driven at a time. In this method, after the completion of excitation of an (m-1)th step, stationary field poles are driven with respect to a number of phases larger than n to a desired value set between the stability points of the m-1)th step and the mth step.

REFERENCES:
patent: 3986094 (1976-10-01), Quioque et al.

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