LQG/LTR Versus Smith Predictor Control for Discrete-time Systems with Delay

Dariusz Horla; Andrzej Krolikowski

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Paper

LQG/LTR Versus Smith Predictor Control for Discrete-time Systems with Delay

Topics: Adaptive Signal Processing and Control; Modeling, Analysis and Control of Discrete-Event Systems

In Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, 388-397, 2015 , Colmar, Alsace, France

Authors: Dariusz Horla and Andrzej Krolikowski

Affiliation: Poznań University of Technology, Poland

Keyword(s): LQG/LTR Control, Time-delay, Smith Predictor.

Related Ontology Subjects/Areas/Topics: Adaptive Signal Processing and Control ; Informatics in Control, Automation and Robotics ; Modeling, Analysis and Control of Discrete-event Systems ; Signal Processing, Sensors, Systems Modeling and Control

Abstract: A simple LQG control with no control cost is considered for discrete-time systems with input delay. In such case the loop transfer recovery (LTR) effect can be obtained especially for minimum-phase systems. The robustness of this control is analyzed and compared with state prediction control whose robustness stability is formulated via LMI. The robustness with respect to uncertain time-delay is considered including the control systems with Smith predictor-based controllers. Computer simulations of a second-order stable, unstable and nonminimum-phase systems with time-delay are given to illustrate the robustness and performance of the considered controllers.

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Paper citation in several formats:

Horla, D. and Krolikowski, A. (2015). LQG/LTR Versus Smith Predictor Control for Discrete-time Systems with Delay. In Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO; ISBN 978-989-758-122-9; ISSN 2184-2809, SciTePress, pages 388-397. DOI: 10.5220/0005537003880397

@conference{icinco15,
author={Dariusz Horla. and Andrzej Krolikowski.},
title={LQG/LTR Versus Smith Predictor Control for Discrete-time Systems with Delay},
booktitle={Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO},
year={2015},
pages={388-397},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005537003880397},
isbn={978-989-758-122-9},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO
TI - LQG/LTR Versus Smith Predictor Control for Discrete-time Systems with Delay
SN - 978-989-758-122-9
IS - 2184-2809
AU - Horla, D.
AU - Krolikowski, A.
PY - 2015
SP - 388
EP - 397
DO - 10.5220/0005537003880397
PB - SciTePress