Abstract
This paper proposes an H-/L∞ fault detection observer design method for Lipschitz nonlinear systems. First, the finite frequency H- index is used to measure the worst-case fault sensitivity and the L∞ norm from unknown disturbance to residual is used to measure disturbance robustness performance. Next, a residual evaluation and a dynamic threshold are synthesized based on the L∞ norm. Besides, sufficient conditions of the observer design are derived and transformed by asset of linear matrix in equalities. Finally, numerical simulations are provided to demonstrate the correctness and effectiveness of the proposed method.
| Translated title of the contribution | H-/L∞ fault detection observer design for Lipschitz nonlinear systems |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 778-785 |
| Number of pages | 8 |
| Journal | Kongzhi Lilun Yu Yingyong/Control Theory and Applications |
| Volume | 35 |
| Issue number | 6 |
| DOIs | |
| State | Published - 1 Jun 2018 |
| Externally published | Yes |
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