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The Mimo predictive PID controller design

Moradi, M. and Katebi, M.R. and Johnson, M.A. (2002) The Mimo predictive PID controller design. Asian Journal of Control, 4 (4). pp. 452-463. ISSN 1561-8625

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Abstract

This paper is concerned with the design of Multi-Inputs and Multi- Outputs (MIMO) predictive PID controllers, which have similar performance to that obtainable from model-based predictive controllers. A new PID con-trol structure is defined which incorporates the prediction of future outputs and uses future set point. A method is proposed to calculate the optimal val-ues of the PID gains from generalised predictive control results. A decentral-ized version of the predictive PID controllers is presented and the stability of the closed loop system is studied. Simulation studies demonstrate the supe-rior performance of the proposed controller compared with a conventional PID controller. The results are also compared with generalised predictive control solutions.