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Title |
Graphical method for obtaining PID parameters for systems with time delay |
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Author |
Lobna BARHOUMI, Imen SAIDI and Dhaou SOUDANI |
| Citation |
Vol. 19 No. 7 pp. 31-37 |
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Abstract |
In this paper, a new method for the computation of the parameters of a PI controller is given. The proposed method consists of plotting the stability boundary locus in the plane then the computing stabilizing PI controllers. The given technique require the use of a Pade approximation but it is not necessary to sweep over the parameters also to resolve a set of inequalities a linear programming is not imperative. Thus, it has several important advantages over existing results. In order to evaluate the quality and performance of the new approach, the proposed method is compared with a graphical method called D-partition method. The new method allows obtaining a minimum time domain measures of the closed loop system such as maximum percent overshoot and setting time. Finally, two numerical examples are presented to demonstrate the effectiveness of the proposed method. |
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Keywords |
System with constant time delay PI regulator D-partition method New graphical method. |
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