Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1983-03-29
1984-05-01
Truhe, J. V.
Electricity: motive power systems
Switched reluctance motor commutation control
318138, 318439, 318696, 318314, 318318, 318256, 318280, H02K 2300
Patent
active
044464061
ABSTRACT:
A driving circuit for a brushless DC motor is connected to energize the plurality of stator windings by detecting induced voltages in windings adjacent an energized winding, mixing these detected voltages in predetermined ratios, and comparing the mixed voltages with a reference level, in order to provide switch controlling signals fed to switches arranged between each of the plurality of stator windings and the energization source. Individual detectors to detect rotor position corresponding to the winding being energized are not required and delay circuits used to provide sequential pulses are also eliminated thereby promoting fabrication of the invention using integrated circuit technology.
REFERENCES:
patent: 4172990 (1979-10-01), Everett et al.
patent: 4262236 (1981-04-01), Gelenius et al.
patent: 4262237 (1981-04-01), Gelenius
patent: 4388571 (1983-06-01), Tada et al.
patent: 4393339 (1983-07-01), Kimura
Eslinger Lewis H.
Ip Shik Luen Paul
Sinderbrand Alvin
Sony Corporation
Truhe J. V.
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