Controller arrangement with adaptive non-overlapping...

Details Controller arrangement with adaptive non-overlapping... Controller arrangement with adaptive non-overlapping...

2007-10-02

2007-10-02

Duda, Rina (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S132000, C318S434000, C318S599000, C388S800000, C388S804000, C388S811000

Reexamination Certificate

active

11080344

ABSTRACT:
A PWM controller for a direct current brushless motor comprising first and second windings includes a motor drive circuit receiving pulse width modulation control signals to drive the first and the second windings; and a control circuit having inputs coupled to the first and second windings to control a pulse width modulation control circuit such that pulse width modulated control signals are provided to the motor drive circuit only when the voltage across the first and second windings are at a predetermined level.

REFERENCES:
patent: 4434389 (1984-02-01), Langley et al.
patent: 4859921 (1989-08-01), Archer
patent: 5306988 (1994-04-01), Carobolante et al.
patent: 5668449 (1997-09-01), Carobolante
patent: 6661190 (2003-12-01), Atmur

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