H8 model matching PID design for fractional FOPDT systems
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Padula, F. and Vilanova, R. and Visioli, A. 2012. H8 model matching PID design for fractional FOPDT systems, in Proceedings of the American Control Conference, Jun 27-29 2012, pp. 5513-5518. Montréal, Canada: ACC.
Proceedings of the American Control Conference
Department of Mathematics and Statistics
This paper deals with the H 8 model matching problem for fractional first-order-plus-dead-time processes. Starting from the analytical solution of the problem, we show that a fractional proportional-integral- derivative controller can be obtained. In this context, the (robust) stability issue is analyzed. Further, guidelines for the tuning of the controller parameters are given in order to address practical issues and to obtain the required performance. Simulation results show that the design methodology is effective and allows the user (on the contrary to the integer-order case) to consider processes with different dynamics in a unified framework. © 2012 AACC American Automatic Control Council).