Reconfiguring smart structures using phase space connections

McInnes, C.R. and Waters, T.J. (2008) Reconfiguring smart structures using phase space connections. Smart Materials and Structures, 17(2), 025030. (doi:10.1088/0964-1726/17/2/025030)

McInnes, C.R. and Waters, T.J. (2008) Reconfiguring smart structures using phase space connections. Smart Materials and Structures, 17(2), 025030. (doi:10.1088/0964-1726/17/2/025030)

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Publisher's URL: http://dx.doi.org/10.1088/0964-1726/17/2/025030

Abstract

Structures are traditionally designed to be stable. However, unstable configurations (such as buckling) can in principle be controlled in smart structures using embedded sensors and actuators. In this paper we explore a new means of reconfiguring smart structures by connecting multiple unstable configurations. Methods from dynamical systems theory are used firstly to identify sets of unstable configurations in a simple smart structure model, and then to connect them through so-called heteroclinic connections in the phase space of the problem. The instability inherent in the structure is then actively utilized to provide an effective new way of transitioning between configurations of the structure in a controlled manner.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:McInnes, Professor Colin
Authors: McInnes, C.R., and Waters, T.J.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Smart Materials and Structures
Publisher:IOP Publishing
ISSN:0964-1726
ISSN (Online):1361-665X

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