Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1982-08-05
1985-01-15
Witkowski, Stanley J.
Electricity: motive power systems
Switched reluctance motor commutation control
318138, H02P 506
Patent
active
044940521
ABSTRACT:
A system for controlling the speed of a brushless DC motor includes a microprocessor for generating stator control drive signals responsive to Hall sensors detecting relative rotor-pole-stator positions. Hall sensor signal transistions are compared against a reference frequency to provide an error signal which is processed by the microprocessor in accordance with a transfer function to emulate a type II servo loop. Stator commutation control signals are reduced in duration proportional to the resulting processed error signal. The control signals are thereafter applied to integrating current drives energizing the stator coils with triangular current signals.
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Christopher Todd J.
Kelleher Kevin C.
Kiser Ned J.
Herrmann E. P.
Keane Patrick
Rasmussen P. J.
RCA Corporation
Whitacre E. M.
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