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Robust Fault Detection Based on State Observers for Networked Control Systems

Robust Fault Detection Based on State Observers for Networked Control Systems
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Author(s): Zhang-qing Zhu (Nanjing University, China)and Chunlin Chen (Nanjing University, China)
Copyright: 2010
Pages: 41
Source title: Intelligent Industrial Systems: Modeling, Automation and Adaptive Behavior
Source Author(s)/Editor(s): Gerasimos Rigatos (Industrial Systems Institute & National Technical University of Athens, Greece)
DOI: 10.4018/978-1-61520-849-4.ch013

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Abstract

With the development of network and control technology, networked control systems (NCS) have been widely studied recently, especially in the area of complex industrial systems. The system model and states observer based approach is very important for the fault detection (FD) and diagnosis of NCS. This chapter focuses on robust fault detection methods based on states observer. States observers on NCS with short time-delay and uncertain time-delay are both discussed and designed without changing the structure of the systems. The corresponding theorems are systematically given and proved. The methods of robust fault detection on NCS are proposed and some typical examples are demonstrated to test the presented methods.

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