HRA - Intrinsically fault tolerant actuation through high redundancy

R. Dixon; T. Steffen; J. Davies; R. M. Goodall; A. C. Zolotas; J. Pearson; X. Du

doi:10.3182/20090630-4-ES-2003.00199

HRA - Intrinsically fault tolerant actuation through high redundancy

R. Dixon^*, T. Steffen, J. Davies, R. M. Goodall, A. C. Zolotas, J. Pearson, X. Du

^*Corresponding author for this work

Aston Pharmacy School

Research output: Chapter in Book/Published conference output › Conference publication

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.

Original language	English
Title of host publication	IFAC Proceedings Volumes (IFAC-PapersOnline)
Publisher	Elsevier
Pages	1216-1221
Number of pages	6
Volume	42
ISBN (Print)	9783902661463
DOIs	https://doi.org/10.3182/20090630-4-ES-2003.00199
Publication status	Published - 1 Dec 2009
Event	7th IFAC International Symposium on Fault Detection, Supervision and Safety of Technical Systems, SAFEPROCESS'09 - Barcelona, United Kingdom Duration: 30 Jun 2009 → 3 Jul 2009

Publication series

Name	IFAC Proceedings Volumes
Publisher	Elsevier
Number	8
Volume	42
ISSN (Print)	1474-6670

Conference

Conference	7th IFAC International Symposium on Fault Detection, Supervision and Safety of Technical Systems, SAFEPROCESS'09
Country/Territory	United Kingdom
City	Barcelona
Period	30/06/09 → 3/07/09

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https://dspace.lboro.ac.uk/dspace-jspui/bitstream/2134/7166/1/HRA_Overview_Final_Submission.pdfLicence: Unspecified

Cite this

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title = "HRA - Intrinsically fault tolerant actuation through high redundancy",

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.",

author = "R. Dixon and T. Steffen and J. Davies and Goodall, {R. M.} and Zolotas, {A. C.} and J. Pearson and X. Du",

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Dixon, R, Steffen, T, Davies, J, Goodall, RM, Zolotas, AC, Pearson, J & Du, X 2009, HRA - Intrinsically fault tolerant actuation through high redundancy. in IFAC Proceedings Volumes (IFAC-PapersOnline). vol. 42, IFAC Proceedings Volumes, no. 8, vol. 42, Elsevier, pp. 1216-1221, 7th IFAC International Symposium on Fault Detection, Supervision and Safety of Technical Systems, SAFEPROCESS'09, Barcelona, United Kingdom, 30/06/09. https://doi.org/10.3182/20090630-4-ES-2003.00199

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AU - Pearson, J.

AU - Du, X.

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AB - 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.

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HRA - Intrinsically fault tolerant actuation through high redundancy

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