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Frequency Response Based Multi-Objective Design Toolbox for PID Controller  

Jin, Lihua (충북대학교 전자공학과)
Lim, Yeon-Soo (충북대학교 전자공학과)
Kim, Young-Chol (충북대학교 전자공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.10, 2008 , pp. 1869-1875 More about this Journal
Abstract
Recently, a direct data-driven synthesis of a proportional integral derivative(PID) controller for a linear time-invariant(LTI) plant was presented in [1]. The authors showed that a complete set of PID controllers achieving robust performance and stability can be calculated directly from frequency response(FR) data without an identified transfer function model. However, it is not convenient to use this method because it requires complicated numerical algorithms to find specific frequencies which are solutions of an identical equation. The method also requires determination of the boundary of the controller's parameters from a finite set of FR data. In this paper, we present the development of a user-friendly Matlab toolbox based on the method in [1]. This toolbox allows us to obtain a complete three-dimensional(3-D) graphical solution of PID controllers that meet multiple design objectives. Several examples are given to demonstrate the use of the toolbox.
Keywords
Multi-objective design toolbox; Frequency response; PID controller;
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