Controller Performance Analysis for a Delayed Process Based on Integral Error Performance Indices

Abstract

In the present work, heat exchanger process is selected for investigation, which can be modelled as first order plus dead time model. PI controllers using various tuning techniques that are Ziegler-Nichols, Shinskey, Skogestad, Liptak and Moros have been designed for the selected process. Important time response characteristics and integral error performance indices viz. ISE, IAE and ITAE are calculated and compared to evaluate controller performance.