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Reseach Article

Fractional Order PID Controller Optimized using Bacterial Foraging Technique for Three Interacting Tank Process considered as a Third Order Process

Published on October 2014 by U. Sabura Banu, P.r. Hemavathy, J.susai Mary
National Conference on Computational Intelligence for Engineering Quality Software
Foundation of Computer Science USA
CIQS - Number 1
October 2014
Authors: U. Sabura Banu, P.r. Hemavathy, J.susai Mary
8783e40c-1084-4cf4-b2e2-a2e0ece8c5d4

U. Sabura Banu, P.r. Hemavathy, J.susai Mary . Fractional Order PID Controller Optimized using Bacterial Foraging Technique for Three Interacting Tank Process considered as a Third Order Process. National Conference on Computational Intelligence for Engineering Quality Software. CIQS, 1 (October 2014), 29-34.

@article{
author = { U. Sabura Banu, P.r. Hemavathy, J.susai Mary },
title = { Fractional Order PID Controller Optimized using Bacterial Foraging Technique for Three Interacting Tank Process considered as a Third Order Process },
journal = { National Conference on Computational Intelligence for Engineering Quality Software },
issue_date = { October 2014 },
volume = { CIQS },
number = { 1 },
month = { October },
year = { 2014 },
issn = 0975-8887,
pages = { 29-34 },
numpages = 6,
url = { /proceedings/ciqs/number1/18032-1707/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 National Conference on Computational Intelligence for Engineering Quality Software
%A U. Sabura Banu
%A P.r. Hemavathy
%A J.susai Mary
%T Fractional Order PID Controller Optimized using Bacterial Foraging Technique for Three Interacting Tank Process considered as a Third Order Process
%J National Conference on Computational Intelligence for Engineering Quality Software
%@ 0975-8887
%V CIQS
%N 1
%P 29-34
%D 2014
%I International Journal of Computer Applications
Abstract

In this paper, an attempt has been made to tune the fractional order PID controller parameters for three interacting tank process using Bacterial Foraging Algorithm (BFA). PID controllers are tuned to satisfy three control specifications as the tunable parameters are the proportional gain, integral gain and derivative gain. The search space can be improved by the investigation of fractional order PID which involves two more parameters, the integral order and the derivative order thereby handling two additional specifications. Grunwald-Letnikov definition is used for the defining the derivative controller and Oustaloup's filter technique is used for the approximation of the function. Tuning is complicated by the mathematical approach. The tuning is effected using BFA technique. The performance index selected is Integral Square Error (ISE). The proposed BFA tuned FOPID controller will serve as a viable controller for automating three interacting tank process.

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Index Terms

Computer Science
Information Sciences

Keywords

Bacterial Foraging Fractional Order Controller Interacting Tank Process Integral Square Error Optimization