Control reconfigurability of bilinear systems

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The objective of the methods within the framework of the plug-and-play process control, and particularly fault-tolerant control, is to establish control techniques that guarantee a certain performance through control reconfiguration at the occurrence of faults or changes. These methods cannot be effective without sufficient redundancy in the process. In this paper, a measure for control reconfigurability that reveals the level of redundancy in connection with feedback control is proposed for bilinear systems. The proposed control reconfigurability measure is the extension of its gramian-based analogous counterpart, which has been previously proposed for linear processes. First, the controllability and observability gramians for parameter-varying bilinear systems are introduced, and then the control reconfigurability measure is presented. This measure is calculated for the bilinear models of an electro-hydraulic drive to demonstrate its relevance to redundant actuating capabilities in the models.

Original languageEnglish
JournalJournal of Mechanical Science and Technology
Volume27
Issue number4
Pages (from-to)1117-1123
Number of pages7
ISSN1738-494X
DOIs
Publication statusPublished - 18. Apr 2013
Externally publishedYes

Fingerprint

Redundancy
Hydraulic drives
Observability
Controllability
Feedback control
Process control

Keywords

  • Bilinear systems
  • Control reconfigurability
  • Electro-hydraulic drives
  • Fault-tolerant control

Cite this

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abstract = "The objective of the methods within the framework of the plug-and-play process control, and particularly fault-tolerant control, is to establish control techniques that guarantee a certain performance through control reconfiguration at the occurrence of faults or changes. These methods cannot be effective without sufficient redundancy in the process. In this paper, a measure for control reconfigurability that reveals the level of redundancy in connection with feedback control is proposed for bilinear systems. The proposed control reconfigurability measure is the extension of its gramian-based analogous counterpart, which has been previously proposed for linear processes. First, the controllability and observability gramians for parameter-varying bilinear systems are introduced, and then the control reconfigurability measure is presented. This measure is calculated for the bilinear models of an electro-hydraulic drive to demonstrate its relevance to redundant actuating capabilities in the models.",
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Control reconfigurability of bilinear systems. / Shaker, Hamid Reza.

In: Journal of Mechanical Science and Technology, Vol. 27, No. 4, 18.04.2013, p. 1117-1123.

Research output: Contribution to journalJournal articleResearchpeer-review

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AU - Shaker, Hamid Reza

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AB - The objective of the methods within the framework of the plug-and-play process control, and particularly fault-tolerant control, is to establish control techniques that guarantee a certain performance through control reconfiguration at the occurrence of faults or changes. These methods cannot be effective without sufficient redundancy in the process. In this paper, a measure for control reconfigurability that reveals the level of redundancy in connection with feedback control is proposed for bilinear systems. The proposed control reconfigurability measure is the extension of its gramian-based analogous counterpart, which has been previously proposed for linear processes. First, the controllability and observability gramians for parameter-varying bilinear systems are introduced, and then the control reconfigurability measure is presented. This measure is calculated for the bilinear models of an electro-hydraulic drive to demonstrate its relevance to redundant actuating capabilities in the models.

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