System structure configuration and actuator degradation

Ahmed, Rihan, Gu, Da-Wei and Postlethwaite, Ian (2011) System structure configuration and actuator degradation. In: Proceedings of the 2011 Chinese Control and Decision Conference (CCDC). IEEE, Piscataway, NJ, pp. 2647-2652. ISBN 978-1424487370

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Official URL: http://dx.doi.org/10.1109/CCDC.2011.5968658

Abstract

In this paper the choice of input-output pairing for multivariable systems in the event of channel-specific actuator degradation is addressed. A measure of subsystem interaction is proposed, defined in terms of H∞ norm of individual subsystems of the plant. Based on this interaction index some guidelines are proposed for input-output pairing when there is actuator degradation in a channel. The approach is proposed for open loop stable multivariable systems. Simulation results are included demonstrating the effectiveness of the proposed interaction index. The proposed approach recommends the least affected pair for a multivariable system and its performance measure defined in terms of Root Mean Square Error (RMSE) is minimum.

Item Type: Book Section
Additional Information: 2011 Chinese Control and Decision Conference (CCDC), held in Mianyang, China from 23-25 May 2011.
Subjects: H100 General Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Ellen Cole
Date Deposited: 13 Dec 2012 14:50
Last Modified: 10 Nov 2016 12:38
URI: http://nrl.northumbria.ac.uk/id/eprint/10619

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