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Fault Detection for Time-delayed Networked Control Systems with Sensor Saturation and Randomly Occurring Faults
| Content Provider | Semantic Scholar |
|---|---|
| Author | Jiang, Shun Pan, Feng |
| Copyright Year | 2018 |
| Abstract | In this paper, the fault detection (FD) problem is investigated for networked control systems with random packet losses, stochastic time-delays, sensor saturation as well as randomly occurring faults. A series of random variables is utilized to describe the occurring probability of packet losses, time-delays and faults where all the variables are independent but satisfy the Bernoulli distribution. The measured output is subject to sensor saturation which is described by sector-nonlinearities. Then the mathematical model for networked control systems is established. The aim of this paper is to design an FD filter such that, for unknown input, the FD problem is converted into H∞ filtering problem and, the error between the residual signal and the fault signal is made as small as possible. By Lyapunov stability theory and linear matrix inequalities (LMIs) method, sufficient conditions for the existence of the desired FD filter are established. Finally, a numerical simulation is presented to verify the effectiveness and usefulness of the designed method. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.ijicic.org/ijicic-140424.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
