Please use this identifier to cite or link to this item: https://doi.org/10.1049/iet-cta.2010.0330
Title: Design and analysis of a continuous hybrid differentiator
Authors: Wang, X.
Lin, H. 
Issue Date: 21-Jul-2011
Source: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/55530
ISSN: 17518644
DOI: 10.1049/iet-cta.2010.0330
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