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Licensed Unlicensed Requires Authentication Published by De Gruyter April 12, 2017

Maximum Sensitivity Based New PID Controller Tuning for Integrating Systems Using Polynomial Method

Praveen Kumar Medarametla and Venkata Lakshmi Narayana Komanapalli

Abstract

This paper presents a new control methodology for a class of integrating systems. A PID controller augmented with a first order lead/lag filter is proposed for improved response. The polynomial approach is employed to derive the controller parameters. The novelty of the proposed method lies in the selection of pole locations. Multiple pole locations are considered where one of the poles is placed for cancelling the zero introduced by controller. The selection of tuning parameter is based on maximum sensitivity (MS). Set point weighting is employed to reduce the overshoot and settling time in the servo response. Various bench marking examples are adopted to evaluate the proposed method in terms of various performance indices. The results are superior to the recently proposed works in terms of both set point tracking and disturbance rejection.

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Received: 2016-10-11
Revised: 2017-3-6
Accepted: 2017-3-6
Published Online: 2017-4-12

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