Method of driving a five-phase stepping motor

Details Method of driving a five-phase stepping motor Method of driving a five-phase stepping motor

1987-05-15

1989-01-17

Shoop, Jr., Willaim M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

047990023

ABSTRACT:
A five-phase stepping motor system includes phase windings connected in series with each other to form a ring and pairs of switching devices connected in series with each other, with each pair having an intermediate connection connected to a corresponding junction between the phase windings. One switching device of each pair is connected to a positive pole of a d.c. power source and the other switching device is connected to a negative pole of the power source. The switching devices are turned on and off to connect two junctions to the positive pole of the power source and to connect two junctions to the negative poles of the power source. The switching devices in the remaining pair isolate the remaining junction from the power source. Exciting signals are applied to the switching devices so that the junction in the opened state is shifted to other junctions every pulse.

REFERENCES:
patent: 3866104 (1975-02-01), Heine
patent: 4000452 (1976-12-01), Heine
patent: 4095161 (1978-06-01), Heine et al.
patent: 4412166 (1987-10-01), Crider et al.
patent: 4663577 (1987-05-01), Satomi

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