HRA - Intrinsically Fault Tolerant Actuation through High Redundancy

Dixon, R., Steffen, T., Davies, Jessica, Goodall, Roger M., Zolotas, Argyrios, Pearson, J.T. and Du, X. (2009) HRA - Intrinsically Fault Tolerant Actuation through High Redundancy. In: 7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, 30th June - 3rd July 2009, Barcelona, Spain.

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Abstract

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.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	T Technology > TF Railroad engineering and operation
Schools:	School of Computing and Engineering School of Computing and Engineering > Institute of Railway Research
Depositing User:	Cherry Edmunds
Date Deposited:	11 Jul 2013 11:56
Last Modified:	11 Jul 2013 11:56
URI:	http://eprints.hud.ac.uk/id/eprint/17938

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