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Nonlinear Observer Based Fault Diagnosis for an Innovative Intensified Heat-Exchanger/Reactor

Abstract : This paper describes an application of a fault detection and isolation (FDI)scheme for an intensified Heat-exchanger (HEX)/Reactor, where the exothermicchemical reaction of sodium thiosulfate oxidation by hydrogen peroxide is per-formed. To achieve this, precise estimation of all states of HEX/Reactor, includ-ing temperatures and concentrations of different reactants, as well as process faultdetection and isolation is completed by a high gain observer. Then, process faultidentification is achieved by several banks of interval filters. Finally, an intensifiedHEX/reactor is used to validate the effectiveness of the proposed strategy. Simulationresults are shown to illustrate the performance of the algorithm presented
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https://hal.laas.fr/hal-02934926
Contributor : Xue Han <>
Submitted on : Wednesday, September 9, 2020 - 6:04:17 PM
Last modification on : Thursday, June 10, 2021 - 3:03:11 AM

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Xue Han, Zetao Li, Boutaib Dahhou, Michel Cabassud, Menglin He. Nonlinear Observer Based Fault Diagnosis for an Innovative Intensified Heat-Exchanger/Reactor. he 11th International Conference on Modelling, Identification and Control (ICMIC 2019), Jul 2019, Tianjin, China. pp.423-432, ⟨10.1007/978-981-15-0474-7_40⟩. ⟨hal-02934926⟩

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