<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The principal aim of the paper is to present a possible approach to the design of simple Proportional-Integral (PI) robust controllers and subsequently to demonstrate their applicability during control of a laboratory model with uncertain parameters through the Programmable Logic Controller (PLC) SIMATIC S7-300 by Siemens Company. The proposed and utilized synthesis consists of two steps. The former one is determination of controller parameters area, which ensures the robustly stable control loop and is based on computing/plotting the stability boundary locus while the latter one lies in the final choice of the controller itself relying on algebraic techniques. The basic theoretical parts are followed by laboratory experiments in which the 3rd order nonlinear electronic model has been successfully controlled in various working points.</p></abstract>

The principal aim of the paper is to present a possible approach to the design of simple Proportional-Integral (PI) robust controllers and subsequently to demonstrate their applicability during control of a laboratory model with uncertain parameters through the Programmable Logic Controller (PLC) SIMATIC S7-300 by Siemens Company. The proposed and utilized synthesis consists of two steps. The former one is determination of controller parameters area, which ensures the robustly stable control loop and is based on computing/plotting the stability boundary locus while the latter one lies in the final choice of the controller itself relying on algebraic techniques. The basic theoretical parts are followed by laboratory experiments in which the 3rd order nonlinear electronic model has been successfully controlled in various working points.

Design of Robust PI Controllers and their Application to a Nonlinear Electronic System

Department of Automation and Control Engineering, Faculty of Applied Informatics, Tomas Bata University in Zlín, Nad Stráněmi 4511, 76005 Zlín, Czech Republic

Department of Information Engineering and Process Control, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 81237 Bratislava, Slovakia

Journal of Electrical Engineering

The principal aim of the paper is to present a possible approach to the design of simple Proportional-Integral (PI) robust controllers and subsequently to...

Design of Robust PI Controllers and their Application to a Nonlinear Electronic System

Pubblicato online: 07 giu 2011

Pagine: 44 - 51

DOI: https://doi.org/10.2478/v10187-010-0006-7

Parole chiave
robust control, PI controllers, parametric uncertainty, PLC simatic, nonlinear electronic system

This content is open access.

Design of Robust PI Controllers and their Application to a Nonlinear Electronic System

Pubblicato online: 07 giu 2011

Pagine: 44 - 51

DOI: https://doi.org/10.2478/v10187-010-0006-7

Parole chiaverobust control, PI controllers, parametric uncertainty, PLC simatic, nonlinear electronic system

This content is open access.

Parole chiave
robust control, PI controllers, parametric uncertainty, PLC simatic, nonlinear electronic system