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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/3617

Title: Multi-variable control of a high redundancy actuator
Authors: Steffen, Thomas
Dixon, Roger
Goodall, Roger M.
Zolotas, Argyrios C.
Keywords: Electromagnetic actuation
Fault tolerance
Multi-variable control
Issue Date: 2008
Publisher: © HVG Hanseatische Veranstaltungs-GmbH Division Messe Bremen
Citation: STEFFEN, T. ... et al, 2008. Multi-variable control of a high redundancy actuator. IN: Borgmann, H. (ed.). ACTUATOR 2008 : 11th International Conference on New Actuators & 5th International Exhibition on Smart Actuators and Drive Systems : conference proceedings. Bremen Convention Centre, 9-11 June. Bremen, Germany : HVG Hanseatische Veranstaltungs-GmbH Division Messe Bremen
Abstract: 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.
Description: This is a conference paper.
URI: https://dspace.lboro.ac.uk/2134/3617
ISBN: 3933339103
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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