Feed-forward observer-based intermittent fault detection
| Autor: | Peter Foote, Tabassom Sedighi, Piotr Sydor |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Adaptive threshold design
0209 industrial biotechnology Engineering Observer (quantum physics) business.industry 020208 electrical & electronic engineering Feed forward Mass-spring-damper system Control engineering Feed-forward observer 02 engineering and technology Error stability analysis Stability (probability) Industrial and Manufacturing Engineering Fault detection and isolation Intermittent fault Nonlinear system Intermittent fault detection 020901 industrial engineering & automation Control theory 0202 electrical engineering electronic engineering information engineering Sensitivity (control systems) State observer business |
| Zdroj: | CIRP Journal of Manufacturing Science and Technology. 17:10-17 |
| ISSN: | 1755-5817 |
| Popis: | This paper provided an approach to design feed-forward observer for nonlinear systems with Lipchitz nonlinearity and bounded unknown inputs (disturbances/uncertainties) to ensure the sensitivity against intermittent faults. The proposed observer design guarantees the system error stability. Some variables and scalars are also introduced to design observer's parameters, which bring more degrees of flexibility available to the designer. The designed observer is used to propose a precision fault detection scheme including adaptive threshold design to detect intermittent faults. The efficiency of the considered approach is examined by the intermittent failure case in the suspension system of a vehicle. Simulation results show that the accurate state estimation and fault detection are achieved successfully. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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