Janani, R and Thirunavukkarasu, I (2018) Design of IMC Based Independent Multi- Loop PI Controller for Interacting Pilot Plant Distillation Column. Journal of Advanced Research in Dynamical and Control Systems, 10 (04). pp. 1053-1060. ISSN 1943-023X

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Abstract

This article illustrates a novel method for the design of IMC based independent multi-loop PI controller for an interacting pilot plant distillation column. The idea of an effective open-loop transfer function is first introduced to decompose a multi-loop control system into a set of equivalent independent single loop. This open loop transfer function is further approximated to the reduced order form. Based on the EOTF model, the individual controller of each single loop is then independently design by applying the internal model controller based PI tuning approach for the system. This control methodology is demonstrated both in simulation and real-time environment using MATLAB/Simulink software. Also the closed loop performance indices are tabulated.

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