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|Title:||Design and analysis of a continuous hybrid differentiator|
|Citation:||Wang, X., Lin, H. (2011-07-21). Design and analysis of a continuous hybrid differentiator. IET Control Theory and Applications 5 (11) : 1321-1334. ScholarBank@NUS Repository. https://doi.org/10.1049/iet-cta.2010.0330|
|Abstract:||In this study, a continuous hybrid differentiator is presented based on a strong Lyapunov function. The differentiator design can not only sufficiently reduce the chattering phenomenon of derivative estimation by introducing a perturbation parameter, but the dynamical performances are also improved by adding linear correction terms to the non-linear ones. Moreover, strong robustness ability is obtained by integrating sliding-mode items and the linear filter. Frequency analysis is applied to compare the hybrid continuous differentiator with a sliding-mode differentiator. The merits of the continuous hybrid differentiator include the excellent dynamical performances, restraining noises sufficiently and avoiding the chattering phenomenon. © 2011 The Institution of Engineering and Technology.|
|Source Title:||IET Control Theory and Applications|
|Appears in Collections:||Staff Publications|
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