An Optimal Fractional Order Controller for an AVR System Using Particle Swarm Optimization Algorithm

Application of fractional order PID (FOPID) controller to an automatic voltage regulator (AVR) is presented and studied in this paper. An FOPID is a PID whose derivative and integral orders are fractional numbers rather than integers. Design stage of such a controller consists of determining five pa...

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Bibliographic Details
Published in2007 Large Engineering Systems Conference on Electric Power Engineering pp. 244 - 249
Main Authors Karimi-Ghartemani, M., Zamani, M., Sadati, N., Parniani, M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2007
Subjects
Algorithm design and analysis
Automatic control
Automatic voltage control
Control systems
Cost function
Optimal control
Particle swarm optimization
Regulators
Three-term control
Time domain analysis
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ISBN9781424415823
1424415829
DOI10.1109/LESCPE.2007.4437386

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Summary:Application of fractional order PID (FOPID) controller to an automatic voltage regulator (AVR) is presented and studied in this paper. An FOPID is a PID whose derivative and integral orders are fractional numbers rather than integers. Design stage of such a controller consists of determining five parameters. This paper employs particle swarm optimization (PSO) algorithm to carry out the aforementioned design procedure. A novel cost function is defined to facilitate the control strategy over both the time-domain and the frequency-domain specifications. Comparisons are made with a PID controller from standpoints of transient response, robustness and disturbance rejection characteristics. It is shown that the proposed FOPID controller can improve the performance of the AVR in all the three respects.
ISBN:9781424415823
1424415829
DOI:10.1109/LESCPE.2007.4437386