Linear feedback control circuit for a half-wave polyphase brushl

Details Linear feedback control circuit for a half-wave polyphase brushl Linear feedback control circuit for a half-wave polyphase brushl

1992-10-01

1993-08-31

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02P 602

Patent

active

052412474

ABSTRACT:
The circuit comprises synchronisation devices operable to provide, for a motor having n phases, n square wave control signals phase displaced from one another by 360
electrical degrees, with a frequency proportional to the speed of the rotor of the motor, and linear feedback pilot circuit devices operable to provide at their output, cyclically to each of the power transistors, which pilot the phases, a respective pilot signal variable as a function of a reference signal and the voltage on the corresponding phases of the motor.

REFERENCES:
patent: 3584280 (1971-06-01), Inagaki
patent: 3611081 (1971-10-01), Watson
patent: 3706019 (1972-12-01), Eremenko
patent: 3766458 (1973-10-01), Nishimura et al.
patent: 4132930 (1979-01-01), Schalk
patent: 4262236 (1981-04-01), Gelenius et al.
patent: 4588933 (1986-05-01), Sun
patent: 4678973 (1987-07-01), Elliott et al.
Electronic Engineering, vol. 58, No. 719, Nov. 1986, p. 52.
EDN Electrical Design News, vol. 32, No. 18, Sep. 1987, pp. 227-234.

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