Pulse motor

Details Pulse motor Pulse motor

1986-05-09

1987-09-08

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

046926798

ABSTRACT:
A pulse motor comprises A-and C-phase coils wound on a common core with opposite polarities appearing on the core, B- and D-phase coils wound on a common core with opposite polarities appearing on the core, first, second, third and fourth switching transistors connected in series with A-, B-, and C-and D-phase coils, respectively, and a control signal for controlling respective conduction states of the first, second, third and fourth switching transistors to permit a sequential excitation of the A-and B-phase coils, B-and C-phase coils, C-and D-phase coils, and D-and A-phase coils in this order. After a predetermined time following a start of the turning-OFF of one of said first, second, third and fourth switching transistors another one of the first, second, third and fourth transistors is turned ON.

REFERENCES:
patent: 4412166 (1983-10-01), Crider et al.
patent: 4514675 (1985-04-01), Matumoto et al.
Stepping Motors and Their Microprocessor Controls; pp. 30-39, pp. 44-45 and pp. 84-85; Takashi Kenjo; Oxford Science Publications.

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