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  • 标题:Active Model Discrimination with Applications to Fraud Detection in Smart Buildings * * This work is supported in part by an Early Career Faculty grant from NASA’s Space Technology Research Grants Program and DARPA grant N66001-14-1-4045.
  • 本地全文:下载
  • 作者:Farshad Harirchi ; Sze Zheng Yong ; Emil Jacobsen
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2017
  • 卷号:50
  • 期号:1
  • 页码:9527-9534
  • DOI:10.1016/j.ifacol.2017.08.1616
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractIn this paper, we consider the problem of active model discrimination amongst a finite number of affine models with uncontrolled and noise inputs, each representing a different system operating mode that corresponds to a fault type or an attack strategy, or to an unobserved intent of another robot, etc. The active model discrimination problem aims to find optimal separating inputs that guarantee that the outputs of all the affine models cannot be identical over a finite horizon. This will enable a system operator to detect and uniquely identify potential faults or attacks, despite the presence of process and measurement noise. Since the resulting model discrimination problem is a nonlinear non-convex mixed-integer program, we propose to solve this in a computationally tractable manner, albeit only approximately, by proposing a sequence of restrictions that guarantee that the obtained input is separating. Finally, we apply our approach to attack detection in the area of cyber-physical systems security.
  • 关键词:KeywordsInput designModel discriminationFaultattack detectionSmart building
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