A Refinement Procedure for PID Controllers

Kaya, Ibrahim, Tan, Nusret and Atherton, Derek P (2006) A Refinement Procedure for PID Controllers. Electrical Engineering, 88 (3). pp. 215-221. ISSN 0948-7921

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Proportional-Integral-Derivative (PID) controllers are still extensively used in industrial systems. In the literature, many publications can be found considering PID controller design for processes with resonances, integrators and unstable transfer functions. However, due to structural limitations of PID controllers, generally, a good closed-loop performance cannot be achieved with a PID, for controlling the aforementioned processes, and usually a step response with a high overshoot and oscillation is obtained. PI-PD controllers provide very satisfactory closed-loop performances in the case of controlling processes with resonances, integrators and unstable transfer functions. This paper introduces a simple approach to get parameters of a PI-PD controller from parameters of a PID controller so that a good closed-loop system performance can be realized. Extensive simulation examples are given to illustrate the value of the approach proposed.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Derek Atherton
Date Deposited: 06 Feb 2012 19:57
Last Modified: 30 Mar 2012 12:04
URI: http://sro.sussex.ac.uk/id/eprint/23233
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