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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...
Self powered neutron detectors (SPNDs) are used for measuring neutron flux in a nuclear reactor and hence are essential for safe operation of the reactor. The main objective in this paper is to develop models on representative groups of SPNDs using principal component analysis (PCA) based techniques. In particular, we identify models using regular PCA and the iterative PCA (IPCA) technique proposed...
Industrial fermentations conducted in a batch or semi-batch mode demonstrate significant batch-to-batch variability. Current batch process monitoring strategies involve manual interpretation of highly informative but low frequency offline measurements such as concentrations of products, biomass and substrates. Fermentors are also fitted with computer interfaced instrumentation, enabling high frequency...
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