Electricity: motive power systems – Synchronous motor systems – Hysteresis or reluctance motor systems
Patent
1997-12-23
1999-11-02
Ro, Bentsu
Electricity: motive power systems
Synchronous motor systems
Hysteresis or reluctance motor systems
318254, H02P 505
Patent
active
059777400
ABSTRACT:
A motor control system selectively energizes a motor winding to maximize the motors efficiency and output torque under conditions of varying rotor speed, winding temperature, and supply voltage. Motor output requirement values and sensor output is used to develop independent parameters in the translation and dilation domain from which optimal turn-on and turn-off or "conduction angles" are developed. The optimal conduction angles are processed by circuitry to generate actuation signals that selectively control the delivery of energy to the motor winding.
REFERENCES:
patent: 4707650 (1987-11-01), Bose
patent: 5012171 (1991-04-01), Sember
patent: 5563488 (1996-10-01), Stephenson et al.
patent: 5637974 (1997-06-01), McCann
ITT Manufacturing Enterprises Inc.
Lewis J. Gordon
Ro Bentsu
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