Optimal and adaptive control of variable speed AC motor drives

Details Optimal and adaptive control of variable speed AC motor drives Optimal and adaptive control of variable speed AC motor drives

1981-03-06

1983-06-07

Ruggiero, Joseph F.

Boots, shoes, and leggings

318811, 364130, 364149, 364164, G05B 1304

Patent

active

043874215

ABSTRACT:
A microprocessor based pulse-width modulated variable speed drive control system providing optimal switching angles based on minimizing r.m.s. current ripple. In addition, a closed loop double deadband control interacts with the optimal switching angles to insure close following of a desired function of a specified variable to be controlled.

REFERENCES:
patent: 4259620 (1981-03-01), Oates et al.
patent: 4316132 (1982-02-01), Geppert
patent: 4322671 (1982-03-01), Kawada et al.
patent: 4327315 (1982-04-01), Kawada et al.
Patel & Hoft, "Generalized Techniques of Harmonic Elimination & Voltage Control in Thyristor Inverters: Part I-Harmonic Elimination", IEEE Transactions on Industry Applications, vol. 1A-9, No. 3, May/Jun., 1973, pp. 310-316.
Patel & Hoft, "Generalized Techniques of Harmonic Elimination & Voltage Control in Thyristor Inverters: Part II-Voltage Control Techniques", IEEE Transactions on Industry Applications, vol. 1A-10, No. 5, Sep./Oct., 1974, pp. 666-673.
Casteel & Hoft, "Optimum PWM Waveforms of a Microprocessor Controlled Inverter", 1978 IEEE, pp. 243-250.
Buja & Indri, "Optimal Pulsewidth Modulation for Feeding AC Motors", IEEE Transactions on Industry Applications, vol. 1A-13, No. 1, Jan./Feb. 1977, pp. 38-44.
Jackson, "Multiple Pulse Modulation in Static Inverters Reduces Selected Output Harmonics & Provides Smooth Adjustment of Fundamentals", IEEE Transactions on Industry Applications, vol. 1GA-6, No. 4, Jul./Aug. 1970, pp. 357-360.
Murphy, Hoft & Howard, "Controlled-Slip Operation of an Induction Motor with Optimum PWM Waveforms", IEEE Electrical Variable Speed Driver Conf., Publ. #179, London, 1979, pp. 157-160.

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