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An Offline/Online DDDAS Capability for Self-Aware Aerospace Vehicles

Author(s)
Chambers, J.; Cowlagi, Raghvendra V.; Kordonowy, D.; Lecerf, M.; Ulker, F.; Allaire, Douglas L.; Mainini, Laura; Willcox, Karen E.; ... Show more Show less
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Abstract
In this paper we develop initial offline and online capabilities for a self-aware aerospace vehicle. Such a vehicle can dynamically adapt the way it performs missions by gathering information about itself and its surroundings via sensors and responding intelligently. The key challenge to enabling such a self-aware aerospace vehicle is to achieve tasks of dynamically and autonomously sensing, planning, and acting in real time. Our first steps towards achieving this goal are presented here, where we consider the execution of online mapping strategies from sensed data to expected vehicle capability while accounting for uncertainty. Libraries of strain, capability, and maneuver loading are generated offline using vehicle and mission modeling capabilities we have developed in this work. These libraries are used dynamically online as part of a Bayesian classification process for estimating the capability state of the vehicle. Failure probabilities are then computed online for specific maneuvers. We demonstrate our models and methodology on decisions surrounding a standard rate turn maneuver.
Date issued
2013-01
URI
http://hdl.handle.net/1721.1/90631
Department
MIT-SUTD Collaboration Office; Massachusetts Institute of Technology. Department of Aeronautics and Astronautics
Journal
Procedia Computer Science
Publisher
Elsevier
Citation
Allaire, D., J. Chambers, R. Cowlagi, D. Kordonowy, M. Lecerf, L. Mainini, F. Ulker, and K. Willcox. “An Offline/Online DDDAS Capability for Self-Aware Aerospace Vehicles.” Procedia Computer Science 18 (January 2013): 1959–1968.
Version: Final published version
ISSN
18770509

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