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Authors: Ana Theresa F. O. Mancini ; Tiago A. Almeida and Carlos E. T. Dórea

Affiliation: Dept. Computer Engineering and Automation, Lab. Computacional Methods for Control and Automation, Universidade Federal do Rio Grande do Norte - UFRN, Natal-RN, Brazil

Keyword(s): Linear Systems, Invariant Sets, Output Feedback, Constraints.

Abstract: We propose an improved design method for output feedback control of discrete-time linear systems subject to state and control constraints, additive disturbances and measurement noise. Output Feedback Controlled-Invariant polyhedral sets are used to ensure that state and input constraints are satisfied all time. The control strategy seeks to enforce the set of states consistent with the measured output into a closed ball around the origin. The control input is computed through the solution of Linear Programming (LP) problems, whose goal is to minimize the size of the ball one step ahead. Then, we use the optimization results to reduce the set of admissible states, steering the state to a smaller ball around the origin. The improvement provided by the proposed strategy is illustrated by numerical examples.

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Paper citation in several formats:
Mancini, A. T. F. O., Almeida, T. A. and Dórea, C. E. T. (2021). Improved Output Feedback Control of Constrained Linear Systems using Invariant Sets. In Proceedings of the 18th International Conference on Informatics in Control, Automation and Robotics - ICINCO; ISBN 978-989-758-522-7; ISSN 2184-2809, SciTePress, pages 566-573. DOI: 10.5220/0010556705660573

@conference{icinco21,
author={Ana Theresa F. O. Mancini and Tiago A. Almeida and Carlos E. T. Dórea},
title={Improved Output Feedback Control of Constrained Linear Systems using Invariant Sets},
booktitle={Proceedings of the 18th International Conference on Informatics in Control, Automation and Robotics - ICINCO},
year={2021},
pages={566-573},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010556705660573},
isbn={978-989-758-522-7},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 18th International Conference on Informatics in Control, Automation and Robotics - ICINCO
TI - Improved Output Feedback Control of Constrained Linear Systems using Invariant Sets
SN - 978-989-758-522-7
IS - 2184-2809
AU - Mancini, A.
AU - Almeida, T.
AU - Dórea, C.
PY - 2021
SP - 566
EP - 573
DO - 10.5220/0010556705660573
PB - SciTePress

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