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| Content Provider | IET Digital Library |
|---|---|
| Author | Wan, Yiming Dong, Wei Ye, Hao |
| Abstract | In this study, the problem of fault detection (FD) system design for linear discrete time-varying systems is addressed. Different from most existing methods which separately handle residual generator and evaluator, this study focuses on integrated design of residual generator and evaluator. Instead of traditional trade-off design between sensitivity to faults and robustness to disturbances, this study aims at maximising FD rate given a predefined false alarm rate. The proposed approach in this study follows two steps: first, in the norm-based framework, the parity relation-based offline FD system achieves maximal FD rate by minimising the set of undetectable faults; then the optimal offline FD system is equivalently transformed into a recursive FD algorithm for online use. Relationship between the obtained solution in this study and the existing ones is analysed. The performance improvement of the proposed approach is illustrated by comparing against existing methods through Monte Carlo simulations. |
| Starting Page | 455 |
| Ending Page | 463 |
| Page Count | 9 |
| ISSN | 17518644 |
| Volume Number | 7 |
| e-ISSN | 17518652 |
| Issue Number | Issue 3, Feb (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/7/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2011.0727 |
| Journal | IET Control Theory & Applications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Control System Analysis Control System Synthesis Discrete Control System Discrete System Disturbance Robustness Evaluator False Alarm Rate Fault Detection System Design Fault Diagnosis Fault Sensitivity FD Rate Maximisation FD System Design Integrated Trade-off Design Linear Discrete Time-varying System Linear System Maximal FD Rate Minimisation Norm-based Framework Optimal Offline FD System Optimisation Technique Parity Relation-based Offline FD System Performance Improvement Recursive Estimation Recursive FD Algorithm Residual Generator Handling Sensitivity Analysis Synthesis Method Time Varying Control System Time Varying System Undetectable Fault Set Minimisation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications |
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