Multi-agent Control of High Redundancy Actuation

Jessica Davies, Roger Dixon, Roger M. Goodall, Thomas Steffen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The high redundancy actuator (HRA) concept is a novel approach to fault tolerant actuation that uses a high number of small actuation elements, assembled in series and parallel in order to form a single actuator which has intrinsic fault tolerance. Whilst this structure affords resilience under passive control methods alone, active control approaches are likely to provide higher levels of performance. A multiple-model control scheme for an HRA applied through the framework of multi-agent control is presented here. The application of this approach to a 10 × 10 HRA is discussed and consideration of reconfiguration delays and fault detection errors are made. The example shows that multi-agent control can provide tangible performance improvements and increase fault tolerance in comparison to a passive fault tolerant approach. Reconfiguration delays are shown to be tolerable, and a strategy for handling false fault detections is detailed.
Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalInternational Journal of Automation and Computing
Volume11
Issue number1
DOIs
Publication statusPublished - 1 Feb 2014
Externally publishedYes

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