Digital motor speed controller

Details Digital motor speed controller Digital motor speed controller

1981-02-09

1983-11-15

Truhe, J. V.

Electricity: motive power systems

Switched reluctance motor commutation control

318311, H02P 506

Patent

active

044158440

ABSTRACT:
Control apparatus for a polyphase, brushless dc electric motor includes a programmed microprocessor which responds to signals indicative of rotor position and rotational speed to selectively energize the windings of the motor and effect a desired speed. The apparatus is compact, readily fabricated, and more reliable than hardwired control circuitry.

REFERENCES:
patent: 4234838 (1980-11-01), Langley et al.
patent: 4249116 (1981-02-01), Hieda
patent: 4250544 (1981-02-01), Alley
patent: 4256997 (1981-03-01), Brusaglino et al.
patent: 4270074 (1981-05-01), Duckworth et al.
patent: 4303871 (1981-12-01), Berry
patent: 4344023 (1982-08-01), Yokobori et al.

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