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HRA - Intrinsically fault tolerant actuation through high redundancy

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conference contribution
posted on 15.11.2010 by Roger Dixon, Thomas Steffen, Jessica Davies, Argyrios C. Zolotas, John T. Pearson, X. Du
The aim of this paper is to summarise on-going research into a new method of providing fault tolerant actuators for high-integrity and/or safety-critical applications. The High Redundancy Actuator (HRA) project aims to exploit a large number of very small actuation elements to make up a single large actuator. This is in contrast to current technology where a relatively low level of functional redundancy is used. The HRA elements are configured and controlled in such a way that faults in individual elements are inherently accommodated without resulting in a failure of the complete actuation system. The HRA project research challenges are outlined and progress to-date is discussed.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

DIXON, R. ... et al., 2009. HRA - Intrinsically fault tolerant actuation through high redundancy. 7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes (SAFEPROCESS' 09), Barcelona, Spain, 30th June-3rd July.

Publisher

© IFAC

Version

AM (Accepted Manuscript)

Publication date

2009

Notes

This is a conference paper, it was presented at SafeProcess 2009 [© IFAC]. The definitive version will be available at: http://www.ifac-papersonline.net/

Language

en

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