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Multi-Variable Control of a High Redundancy Actuator

Steffen, T., Dixon, R., Goodall, Roger M. and Zolotas, Argyrios (2008) Multi-Variable Control of a High Redundancy Actuator. In: Actuator 08 : 11th International Conference on New Actuators & 5th International Exhibition on Smart Actuators and Drive Systems, 9-11 June 2008, Bremen, Germany : conference proceedings. HVG Hanseatische Veranstaltungs-GmbH Division Messe Bremen, pp. 473-476. ISBN 9783933339102

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The High Redundancy Actuator project deals with the construction of an actuator from many redundant actuation elements. Whilst this promises a high degree of fault tolerance, the high number of components also poses a unique challenge from a control perspective. This paper shows how the state space model of a stack of actuation elements in series can be separated into a high dimensional internal and a low dimensional external subspace. Once the internal states are decoupled and damped, the behaviour is dominated by the few states of the external subspace. This means that the high redundancy actuator with many redundant elements behaves just like a conventional single actuator.

Item Type: Book Chapter
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: 15 Jul 2013 13:19
Last Modified: 28 Aug 2021 19:51


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