Title: Infrastructure resilience assessment through control design

Authors: Eric D. Vugrin; R. Chris Camphouse

Addresses: Sandia National Laboratories, P.O. Box 5800, Mail Stop 1138, Albuquerque, NM 87185-1138, USA. ' Sandia National Laboratories, Mail Stop 1395, 4100 National Parks Highway, Carlsbad, NM 88220, USA

Abstract: Infrastructure resilience is a priority for homeland security in many nations around the globe. This paper describes a new approach for quantitatively assessing the resilience of critical infrastructure systems. The mathematics of optimal control design provides the theoretical foundation for this methodology. This foundation enables the inclusion of recovery costs within the resilience assessment approach, a unique capability for quantitative resilience assessment techniques. This paper describes the formulation of the optimal control problem for a set of representative infrastructure models. This example demonstrates the importance of recovery costs in quantitative resilience analysis, and the increased capability provided by this approach|s ability to discern between varying levels of resilience.

Keywords: infrastructure resilience; resilience assessment; infrastructure assessment; optimal control; critical infrastructures; homeland security; control design; infrastructure modelling.

DOI: 10.1504/IJCIS.2011.042994

International Journal of Critical Infrastructures, 2011 Vol.7 No.3, pp.243 - 260

Published online: 11 Oct 2011 *

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