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Robust control strategy for pneumatic drive system via enhanced nonlinear PID controller

Syed Salim , Syed Najib and Mohd Fua'ad , Rahmat and Ahmad 'Athif, Mohd Faudzi and Zool Hilmi, Ismail and Noorhazirah, Sunar and Shamsul Anuar, Shamsudin (2014) Robust control strategy for pneumatic drive system via enhanced nonlinear PID controller. IJECE, 4 (5). pp. 658-667. ISSN 2088-8708

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Abstract

This paper presents the pneumatic positioning system controlled by Enhanced Nonlinear PID (NPID) controller. The characteristic of rate variation of the nonlinear gain that are readily available in NPID controller is utilized to improve the performance of the controller. A Self-regulation Nonlinear Function (SNF) is used to reprocess the error signals with the purpose of continuously generating the values for the rate variation. Subsequently, the controller has successfully been implemented on dynamically changing loads and pressures. The comparison with the other available method such as. NPID and conventional PID are performed and evaluated. The effectiveness of this method with Dead Zone Compensator (DZC) has also been successfully demonstrated and proven through simulations and experimental studies.

Item Type: Article
Uncontrolled Keywords: pneumatic positioning system, NPID, SNF, dead-zone compensation, robustness
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Control, Instrumentation & Automation
Depositing User: En. Syed Najib Syed Salim
Date Deposited: 30 Jan 2015 01:59
Last Modified: 28 May 2015 04:36
URI: http://eprints.utem.edu.my/id/eprint/14168

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