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|Title:||Design and frequency analysis of continuous finite-time-convergent differentiator|
|Citation:||Wang, X., Lin, H. (2012-04). Design and frequency analysis of continuous finite-time-convergent differentiator. Aerospace Science and Technology 18 (1) : 69-78. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ast.2011.04.005|
|Abstract:||In this paper, a continuous finite-time-convergent differentiator is presented based on a strong Lyapunov function. The continuous differentiator can reduce chattering phenomenon sufficiently than normal sliding mode differentiator, and the outputs of signal tracking and derivative estimation are all smooth. Frequency analysis is applied to compare the continuous differentiator with sliding mode differentiator. The beauties of the continuous finite-time-convergent differentiator include its simplicity, restraining noises sufficiently, and avoiding the chattering phenomenon. © 2011 Elsevier Masson SAS. All rights reserved.|
|Source Title:||Aerospace Science and Technology|
|Appears in Collections:||Staff Publications|
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