Closed loop indicators for controllability analysis (original) (raw)

Computer Aided Chemical Engineering, 2002

Abstract

This paper presents an approach to analyse the controllability of process alternatives based on the optimal closed-loop performance. The approach presented by Tousain and Meeuse (2001) is extended to include the robustness properties in terms of two different uncertainty models: parametric uncertainty and co-prime factor uncertainty. The simulation results on a distillation column demonstrate that the optimal design parameters using the nominal closed-loop controllability will not alter after introducing the robustness criterion.

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