Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1985-07-05
1988-01-05
Shoop, Jr., William M.
Electricity: motive power systems
Switched reluctance motor commutation control
318138, 318313, 318315, 318318, 318480, H02P 602
Patent
active
047178647
ABSTRACT:
A speed control system for an electronically commutated motor having stator windings, a rotor mounted for rotation relative to said windings, switches for individually energizing said windings, and phase steering means operable to close said switches to sequentially energize said windings. The control system includes means responsive to a rotational position of said rotor for initiating a speed measurement cycle, means for measuring rotor speed during each speed measurement cycle and for comparing the measured speed with a speed set-point, and means responsive to the rotor speed being less than said set-point for enabling said phase steering means to energize said windings.
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patent: 3831073 (1974-08-01), Tanikoshi
patent: 3896357 (1975-07-01), Tanikoshi
patent: 4197489 (1980-04-01), Dunn et al.
patent: 4258299 (1981-03-01), Takeda et al.
patent: 4507591 (1985-03-01), Kelleher
patent: 4510422 (1985-04-01), Ogura
patent: 4525657 (1985-06-01), Nakase et al.
patent: 4543516 (1985-09-01), Kobori et al.
Pertec Peripherals Corporation
Ro Bentsu
Shoop Jr. William M.
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