This paper proposes an H[underscore]/H[infinity] fault detection observer method by using generalized output for a class of polytopic linear parameter-varying (LPV) systems. As the main contribution, with the aid of the relative degree of output, a new output vector is generated by gathering the original output and its time derivative, and it is feasible to consider H[underscore] actuator fault sensitivity in the entire frequency for the new system. ; In order to improve actuator and sensor fault sensitivity as well as guarantee robustness against disturbances, simultaneously, an H[underscore]/H[infinity] fault detection observer is designed for the new LPV polytopic system. Besides, the design conditions of the proposed observer are transformed into an optimization problem by solving a set of linear matrix inequalities (LMIs). Numerical simulations are provided to illustrate the effectiveness of the proposed method.
Zielona Góra: Uniwersytet Zielonogórski
AMCS, volume 28, number 1 (2018) ; click here to follow the link
Biblioteka Uniwersytetu Zielonogórskiego
Jul 14, 2025
Jul 7, 2025
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https://zbc.uz.zgora.pl/repozytorium/publication/100734
| Edition name | Date |
|---|---|
| H[underscore]/H[infinity] fault detection observer design for a polytopic LPV system using the relative degree | Jul 14, 2025 |
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