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In-core flux measurement is critical for monitoring and power regulation of a large core nuclear reactor. Self Powered Neutron Detectors (SPNDs) are used for measuring the neutron flux in a nuclear reactor. In this paper we propose an online method for SPND gross error detection, identification and estimation. The method uses linear models which are extracted from data and which adapt continuously...
Moving horizon estimation (MHE) has emerged as a popular technique for state estimation of nonlinear dynamical systems. A key parameter in MHE is the arrival cost that links the formulation in the current horizon with the past data. Most approaches available in literature use additional filters, such as extended Kalman filter or unscented Kalman filter to obtain the covariance matrix used in the arrival...
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