A linear matrix inequality approach to discrete-time finite impulse response controller design for integrating time-delay processes

Document Type : Article

Authors

Department of Electrical and Computer Engineering, University of Zanjan, Zanjan, P.O. Box 45371-38791, Iran

Abstract

Short-term memory discrete-time finite impulse response (FIR) controller design along with an optimized tuning method is presented in this paper. For this purpose, the loop shaping scheme is employed in the linear matrix inequalities (LMIs) framework for adjusting some characteristics of the open-loop frequency response such as phase margin and bandwidth to the desired values at appropriate frequencies. Unlike the conventional methods which work based on state-space models, the proposed procedure generates LMIs directly in the frequency domain. The proposed controller design procedure was applied to several integrating time-delay systems to illustrate its performance and the results were compared with some other competing methods

Keywords


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