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Authors: Jinxin Hao ; Teck Chew Wee ; Lucas S. Karatzas and Yew Fai Lee

Affiliation: Temasek Polytechnic, Singapore

ISBN: 978-989-674-001-6

Keyword(s): Roundoff noise gain, Sparse controller structure, Optimization, Direct-form II transposed (DFIIt) structure.

Related Ontology Subjects/Areas/Topics: Informatics in Control, Automation and Robotics ; Information-Based Models for Control ; Intelligent Control Systems and Optimization ; Optimization Algorithms ; Optimization Problems in Signal Processing ; Signal Processing, Sensors, Systems Modeling and Control

Abstract: This paper investigates the roundoff noise effect in the digital controller on the closed-loop output for a discrete-time feedback control system. Based on a polynomial parametrization approach, a sparse controller structure is derived. The performance of the proposed structure is analyzed by deriving the corresponding expression of closed-loop roundoff noise gain and the problem of finding optimized sparse structures is solved. A numerical example is presented to illustrate the design procedure and the performance of the proposed structure compared with those of some existing well-known structures.

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Paper citation in several formats:
Hao J.; Wee T.; Karatzas L.; Lee Y. and (2009). OPTIMAL SPARSE CONTROLLER STRUCTURE WITH MINIMUM ROUNDOFF NOISE GAIN.In Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO, ISBN 978-989-674-001-6, pages 13-19. DOI: 10.5220/0002170900130019

@conference{icinco09,
author={Jinxin Hao and Teck Chew Wee and Lucas S. Karatzas and Yew Fai Lee},
title={OPTIMAL SPARSE CONTROLLER STRUCTURE WITH MINIMUM ROUNDOFF NOISE GAIN},
booktitle={Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO,},
year={2009},
pages={13-19},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002170900130019},
isbn={978-989-674-001-6},
}

TY - CONF

JO - Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO,
TI - OPTIMAL SPARSE CONTROLLER STRUCTURE WITH MINIMUM ROUNDOFF NOISE GAIN
SN - 978-989-674-001-6
AU - Hao, J.
AU - Wee, T.
AU - Karatzas, L.
AU - Lee, Y.
PY - 2009
SP - 13
EP - 19
DO - 10.5220/0002170900130019

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