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ANALYSIS OF DIFFERENT CONTROLLERS FOR PILOT PLANT BINARY DISTILLATION COLUMN

摘要


This article presents design and analysis of various PI controllers for a pilot plant binary distillation column. These PI controller has been tuned using Routh Hurwitz, Gain margin-Phase margin and Coefficient diagram methods. Due to the loop interaction and system with dead time designing a multi-loop controller is a challenging task. The diagonal elements in the overall open loop transfer function of the system, are reduced to first order model with dead time (FOPDT) model. This work aims on the comparative analysis based upon various performance measures such as integral of absolute error(IAE), integral of square error(ISE), integral of time square error (ITSE) and integral of time absolute error(ITAE) for a pilot plant binary distillation column.

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