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Improving train position accuracy in case of wheel jamming faults

Abstract : This paper is about position estimation and fault detection under jamming fault for rail transportation system. The motivation is to improve the accuracy of the position estimator in real-world conditions, considering modeling errors, perturbations and expected faults. The approach is based on an unknown input observer used to estimate perturbations and detect jamming faults for a class of polytypic linear parameter-varying (LPV) system. Moreover, the mixed H∞/H_ approach is applied to help in the robustness of the fault detection via a residual. Offline experiments results are provided for illustration.
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https://hal-uphf.archives-ouvertes.fr/hal-03411317
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Submitted on : Tuesday, November 2, 2021 - 10:46:10 AM
Last modification on : Wednesday, November 3, 2021 - 3:53:01 AM

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Braulio Norberto Aguiar Cota, Denis Berdjag, Thierry-Marie Guerra, Bernard Demaya. Improving train position accuracy in case of wheel jamming faults. 2nd IFAC Workshop on Linear Parameter Varying Systems LPVS 2018, Sep 2018, Florianópolis, Brazil. pp.25-30, ⟨10.1016/j.ifacol.2018.11.173⟩. ⟨hal-03411317⟩

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