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Conference Papers Year : 2023

Moving horizon estimation of xenon in pressurized water nuclear reactors using variable-step integration

Abstract

A specific moving horizon estimation scheme is proposed for reconstructing the axial xenon concentrations in pressurized water nuclear reactors (PWR). The model considered is continuous time, with a parsimonious spatial discretization. The estimation scheme involves continuous time integration while using low frequency sampling of measurements. The results support a sensitivity analysis. The quality of the estimation is shown to be good, even though the model is particularly stiff, and the implementation altogether light.
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Dates and versions

hal-04091135 , version 1 (07-05-2023)

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Lucas Gruss, Philippe Chevrel, Mohamed Yagoubi, Maxime Thieffry, Alain Grossetête. Moving horizon estimation of xenon in pressurized water nuclear reactors using variable-step integration. ECC 2023: European Control Conference, euca, Jun 2023, Bucharest, Romania. ⟨10.23919/ECC57647.2023.10178262⟩. ⟨hal-04091135⟩
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