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Super-twisting algorithm based time-varying delay estimation with external signal

Abstract : This article provides an online time-varying delay estimation method by using an external signal sent along with control inputs and output measurements. Since the external signal is isolated from the system, the lin-earity and delay-identifiability of the system are no longer required. Moreover, the sliding mode method guarantees the finite-time convergence of the delay estimation. By comparing with the standard sliding mode method, the super-twisting algorithm reduces the chattering and provides better performances. Furthermore, the super-twisting algorithm based delay estimator is implemented on a real remote data transmission system and its performances are illustrated by experimental results.
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Contributor : Vincent Léchappé <>
Submitted on : Tuesday, January 7, 2020 - 5:43:35 PM
Last modification on : Tuesday, January 5, 2021 - 4:26:08 PM


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Yang Deng, Vincent Léchappé, Sébastien Rouquet, Emmanuel Moulay, Franck Plestan. Super-twisting algorithm based time-varying delay estimation with external signal. IEEE Transactions on Industrial Electronics, Institute of Electrical and Electronics Engineers, 2020, 67 (12), pp.10663 - 10671. ⟨10.1109/TIE.2019.2960739⟩. ⟨hal-02431255⟩



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