Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1981-07-13
1983-01-11
Dobeck, B.
Electricity: motive power systems
Switched reluctance motor commutation control
318599, 318341, G05B 1128
Patent
active
043684114
ABSTRACT:
A four quadrant control system for a brushless D.C. motor wherein the windings are energized via a drive switching circuit in a bridge configuration and the switching circuit is in turn controlled by a read-only memory. Pulse-width modulation control signals and position signals are supplied to the read-only memory as addresses together with other control signals. The system operates in a regenerative mode when changing direction and automatically makes a smooth transition into a motoring mode when the back EMF of the motor is no longer large enough to satisfy the requirements of the current loop.
REFERENCES:
patent: 4042868 (1977-08-01), Rhodes
patent: 4127800 (1978-11-01), Long et al.
patent: 4193021 (1980-03-01), Gale
patent: 4236106 (1980-11-01), Davis et al.
Dobeck B.
Kollmorgen Technologies Corporation
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