Digital motor speed controller
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United States of America Patent
Stats
-
Nov 15, 1983
Grant Date -
N/A
app pub date -
Feb 9, 1981
filing date -
Feb 9, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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