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Modified IMC-PID Controllers and Generalised PID Controllers for First-Order Plus Dead-Time Processes

Lee, Wee Sit and Shi, Juan (2002) Modified IMC-PID Controllers and Generalised PID Controllers for First-Order Plus Dead-Time Processes. In: ICARCV 2002 : proceedings of the 7th International Conference on Control, Automation, Robotics and Vision : 2-5 December, 2002, Marina Mandarin, Singapore. IEEE, Piscataway, New Jersey, pp. 898-903.

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Abstract

In this paper, we provide a theoretical basis for a modified IMC-PID controller and its associated set-point response and disturbance rejection tradeoff as presented in a recent conference. We show that, while the modified IMC-PID controller can achieve set-point response and disturbance rejection tradeoff, the nominal stability property of the resulting closed-loop system can no longer be guaranteed. We then present a generalised PID controller which not only allows set-point response and disturbance rejection tradeoff to be achieved, but also possesses a guaranteed closed-loop nominal stability property. We illustrate by two simulation examples how generalised PID controllers and their associated tuning procedure can be applied to control first-order plus dead-time processes.

Item Type: Book Section
ISBN: 9789810483647 9810483643
Uncontrolled Keywords: closed loop systems, controllers, process control, stability, three-term control, tuning, disturbance rejection, first-order plus dead-time processes, internal model control, modified PID controller, nominal stability property, setpoint response, tuning procedure, Australia, chemical industry, communication system, control systems, informatics, PD control, Pi control, proportional control, stability, three-term control
Subjects: FOR Classification > 0906 Electrical and Electronic Engineering
Faculty/School/Research Centre/Department > Other
Depositing User: Ms Julie Gardner
Date Deposited: 03 Jul 2014 00:20
Last Modified: 03 Jul 2014 00:20
URI: http://vuir.vu.edu.au/id/eprint/25379
DOI: https://doi.org/10.1109/ICARCV.2002.1238543
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Citations in Scopus: 6 - View on Scopus

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