System structure configuration and actuator degradation

Rihan Ahmed; Da-Wei Gu; Ian Postlethwaite

doi:10.1109/CCDC.2011.5968658

System structure configuration and actuator degradation

Rihan Ahmed, Da-Wei Gu, Ian Postlethwaite

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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.

Original language	English
Title of host publication	Proceedings of the 2011 Chinese Control and Decision Conference (CCDC)
Place of Publication	Piscataway, NJ
Publisher	IEEE
Pages	2647-2652
Number of pages	4128
ISBN (Print)	978-1424487370
DOIs	https://doi.org/10.1109/CCDC.2011.5968658
Publication status	Published - 2011

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10.1109/CCDC.2011.5968658

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title = "System structure configuration and actuator degradation",

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.",

author = "Rihan Ahmed and Da-Wei Gu and Ian Postlethwaite",

note = "2011 Chinese Control and Decision Conference (CCDC), held in Mianyang, China from 23-25 May 2011.",

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AU - Ahmed, Rihan

AU - Gu, Da-Wei

AU - Postlethwaite, Ian

N1 - 2011 Chinese Control and Decision Conference (CCDC), held in Mianyang, China from 23-25 May 2011.

PY - 2011

Y1 - 2011

N2 - 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.

AB - 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.

U2 - 10.1109/CCDC.2011.5968658

DO - 10.1109/CCDC.2011.5968658

M3 - Chapter

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SP - 2647

EP - 2652

BT - Proceedings of the 2011 Chinese Control and Decision Conference (CCDC)

PB - IEEE

CY - Piscataway, NJ

ER -

System structure configuration and actuator degradation

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