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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Chattering-Free Terminal Sliding-Mode Observer for Anomaly Detection
verfasst von : Yong Feng, Bo Wang, Fengling Han, Xinghuo Yu, Zahir Tari
Erschienen in: Cyberspace Safety and Security
Verlag: Springer Berlin Heidelberg
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This paper proposes a chattering-free terminal sliding-mode observer used for the network behavior anomaly detection in TCP/IP networks. The proposed observer can track the fluid-flow model representing the TCP/IP behaviors in a router level. Unlike traditional sliding-mode observers, the proposed observer behaves as a full-order dynamics during the sliding-mode motion. The smooth control signal of the observer can be directly utilized to estimate the queue length dynamics representing a distributed anomaly in the TCP/IP network. The simulations are carried out to verify the effectiveness of the proposed method.