<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Proportional integral controller design for two-input two-output (TITO) networked control systems (NCSs) with intrinsic and network-induced time delays is studied in this paper. The TITO NCS consists of two delayed sub-systems coupled in a 1-1/2-2 pairing mode. In order to simplify the controller design, a decoupling method is first applied to obtain a decoupled system. Then, the controllers are designed based on the transfer function matrix of the obtained decoupled system and using the boundary locus method for determining the stability region and the well-known Mikhailov criterion for the stability test. A comparative analysis of the designed controllers and other controllers proposed in previous literature works is thereafter carried out. To demonstrate the validity and efficacy of the proposed method and to show that it achieves better results than other methods proposed in earlier literature works, the implementation in simulation of Wood–Berry distillation column model (methanol–water separation), a well-known benchmark for TITO systems, is carried out.</p>
</abstract>

Proportional integral controller design for two-input two-output (TITO) networked control systems (NCSs) with intrinsic and network-induced time delays is studied in this paper. The TITO NCS consists of two delayed sub-systems coupled in a 1-1/2-2 pairing mode. In order to simplify the controller design, a decoupling method is first applied to obtain a decoupled system. Then, the controllers are designed based on the transfer function matrix of the obtained decoupled system and using the boundary locus method for determining the stability region and the well-known Mikhailov criterion for the stability test. A comparative analysis of the designed controllers and other controllers proposed in previous literature works is thereafter carried out. To demonstrate the validity and efficacy of the proposed method and to show that it achieves better results than other methods proposed in earlier literature works, the implementation in simulation of Wood–Berry distillation column model (methanol–water separation), a well-known benchmark for TITO systems, is carried out.

Design of Decoupled Pi Controllers for Two-Input Two-Output Networked Control Systems with Intrinsic and Network-Induced Time Delays

Department of Computer Engineering and Networks, College of Computer and Information Sciences

Acta Mechanica et Automatica

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

Proportional integral controller design for two-input two-output (TITO) networked control systems (NCSs) with intrinsic and network-induced time delays is...

Design of Decoupled Pi Controllers for Two-Input Two-Output Networked Control Systems with Intrinsic and Network-Induced Time Delays

Published Online: Nov 29, 2021

Page range: 201 - 208

Received: May 21, 2021

Accepted: Jul 27, 2021

DOI: https://doi.org/10.2478/ama-2021-0026

Keywords
pproportional integral controller, two-input two-output (TITO) systems, networked control systems, stability region boundary locus, Wood–Berry distillation column model, time delay, Mikhailov criterion

© 2021 Ould Mohamed Mohamed Vall, published by Sciendo

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

Design of Decoupled Pi Controllers for Two-Input Two-Output Networked Control Systems with Intrinsic and Network-Induced Time Delays

Published Online: Nov 29, 2021

Page range: 201 - 208

Received: May 21, 2021

Accepted: Jul 27, 2021

DOI: https://doi.org/10.2478/ama-2021-0026

Keywordspproportional integral controller, two-input two-output (TITO) systems, networked control systems, stability region boundary locus, Wood–Berry distillation column model, time delay, Mikhailov criterion

© 2021 Ould Mohamed Mohamed Vall, published by Sciendo

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

Keywords
pproportional integral controller, two-input two-output (TITO) systems, networked control systems, stability region boundary locus, Wood–Berry distillation column model, time delay, Mikhailov criterion