Anti-backdrive commutation of brushless DC motors

Details Anti-backdrive commutation of brushless DC motors Anti-backdrive commutation of brushless DC motors

1989-12-14

1992-01-07

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318701, 318439, H02K 2908

Patent

active

050794876

ABSTRACT:
The present invention provides an apparatus and method for commutating a brushless DC motor that prevents backdriving or spiking, due to energy stored in the coils of the bridge of the brushless DC motor, of a DC power supply providing current to the DC motor.

REFERENCES:
patent: 4143308 (1979-03-01), Deplante et al.
patent: 4703236 (1987-10-01), Janssen
patent: 4740734 (1988-04-01), Takeuchi et al.
patent: 4748385 (1988-05-01), Van Hout
patent: 4870332 (1989-09-01), Coghran et al.
IPN WO 89/01260, "Switched Reluctance Motor Control System", 02/09/89, Miller et al.

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