<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents a new original robust PID design method for non-minimum phase plants to achieve closed-loop performance prescribed by the process technologist in terms of settling time and maximum overshoot, respectively. The proposed design procedure has two steps: first, the uncertain system is identified using external harmonic excitation signal with frequency, second, the controller of the nominal system is designed for specified gain margin. A couple of parameters is obtained from the time domain performance specification using quadratic regression curves, the so-called performance Bparabolas so, as to simultaneously satisfy robust closed-loop stability conditions. The main benefits of the proposed method are universal applicability for systems with both fast and slow dominant dynamics as well as performance specification using time domain criteria. The proposed PID design method has been verified on a set of benchmark systems.</p></abstract>

The paper presents a new original robust PID design method for non-minimum phase plants to achieve closed-loop performance prescribed by the process technologist in terms of settling time and maximum overshoot, respectively. The proposed design procedure has two steps: first, the uncertain system is identified using external harmonic excitation signal with frequency, second, the controller of the nominal system is designed for specified gain margin. A couple of parameters is obtained from the time domain performance specification using quadratic regression curves, the so-called performance Bparabolas so, as to simultaneously satisfy robust closed-loop stability conditions. The main benefits of the proposed method are universal applicability for systems with both fast and slow dominant dynamics as well as performance specification using time domain criteria. The proposed PID design method has been verified on a set of benchmark systems.

Robust guaranteed performance PID controller design for non-minimum phase plants

Slovak University of Technology in Bratislava

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Robust guaranteed performance PID controller design for non-minimum phase plants"}

The paper presents a new original robust PID design method for non-minimum phase plants to achieve closed-loop performance prescribed by the process...

Robust guaranteed performance PID controller design for non-minimum phase plants

Published Online: May 30, 2018

Page range: 117 - 127

Received: Dec 21, 2017

DOI: https://doi.org/10.2478/jee-2018-0015

Keywords
robust PID controller design, guaranteed performance, robust stability, robust performance, unstable zero, excitation level

© 2018 Štefan Bucz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Robust guaranteed performance PID controller design for non-minimum phase plants

Published Online: May 30, 2018

Page range: 117 - 127

Received: Dec 21, 2017

DOI: https://doi.org/10.2478/jee-2018-0015

Keywordsrobust PID controller design, guaranteed performance, robust stability, robust performance, unstable zero, excitation level

© 2018 Štefan Bucz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
robust PID controller design, guaranteed performance, robust stability, robust performance, unstable zero, excitation level