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Generic two-degree-of-freedom linear and fuzzy controllers for integral processes

TitleGeneric two-degree-of-freedom linear and fuzzy controllers for integral processes
Publication TypeJournal Article
Year of Publication2009
AuthorsPrecup, R. E., S. Preitl, E. Petriu, J. K. Tar, M. L. Tomescu, and C. Pozna
JournalJOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
Volume346
Issue10
Pagination980 - 1003
Date Published2009
Publication Languageeng
Abstract

This paper presents a new framework for the design of generic two-degree-of-freedom (2-DOF), linear and fuzzy, controllers dedicated to a class of integral processes specific to servo systems. The first part of the paper presents four 2-DOF linear PI controller structures that are designed using the Extended Symmetrical Optimum method to ensure the desired overshoot and settling time. The second part of the paper presents an original design method for 2-DOF Takagi-Sugeno PI-fuzzy controllers based on the stability analysis theorem. Experimental results for the speed control of a servo system with variable load illustrate the performance of the new generic control structures. (C) 2009 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.