Journal
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume 10, Issue 4, Pages 2216-2223Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2014.2362493
Keywords
Data packet dropout; fault detection; quantization; signal transmission delay
Categories
Funding
- National Natural Science Foundation of China [61403102, 61304102, 61472104]
- Special Financial Grant from China Postdoctoral Science Foundation [2014T70339]
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This paper addresses the fault detection filtering issue for a class of discrete system with network-induced non-linear characteristics. The communication limitations, including measurements quantization, signal transmission delay, and data packet dropout, frequent in many practical networked control systems (NCSs) are considered. By transforming the residual system into an input-output form consisting two interconnected subsystems via a two-term approximation to the state delay variables, sufficient conditions are established. Under these conditions, the residual system is stochastically stable with a prescribed H-infinity level with the help of the scaled small gain (SSG) theorem developed for stochastic systems. Furthermore, the fault detection filter design approach is presented. A numerical example is also provided to demonstrate the effectiveness of the proposed method.
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