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Titre : |
Uncertainty quantification and calibration of a photovoltaic plant model : warranty of performance and robust estimation of the long-term production
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Auteur(s) : |
Mathieu Carmassi, Auteur (et co-auteur)
Eric Parent, Directeur de thèse (et co-directeur) Pierre Barbillon, Directeur de thèse (et co-directeur) |
Type de document : | Thèse |
Sujets : | Systèmes photovoltaïques -- Modèles mathématiques -- Codes numériques -- Thèses et écrits académiques ; Productivité -- Performances -- Thèses et écrits académiques ; Statistique bayésienne ; Incertitude de mesure -- Thèses et écrits académiques ; Quantificateurs (logique mathématique) -- Thèses et écrits académiques |
Résumé : |
Field experiments are often difficult and expensive to make. To bypass these issues, industrial companies have developed computational codes. These codes intend to be representative of the physical system, but come with a certain amount of problems. The code intends to be as close as possible to the physical system. It turns out that, despite continuous code development, the difference between the code outputs and experiments can remain significant. Two kinds of uncertainties are observed. The first one comes from the difference between the physical phenomenon and the values recorded experimentally. The second concerns the gap between the code and the physical system. To reduce this difference, often named model bias, discrepancy, or model error, computer codes are generally complexif[...]
Field experiments are often difficult and expensive to make. To bypass these issues, industrial companies have developed computational codes. These codes intend to be representative of the physical system, but come with a certain amount of problems. The code intends to be as close as possible to the physical system. It turns out that, despite continuous code development, the difference between the code outputs and experiments can remain significant. Two kinds of uncertainties are observed. The first one comes from the difference between the physical phenomenon and the values recorded experimentally. The second concerns the gap between the code and the physical system. To reduce this difference, often named model bias, discrepancy, or model error, computer codes are generally complexified in order to make them more realistic. These improvements lead to time consuming codes. Moreover, a code often depends on parameters to be set by the user to make the code as close as possible to field data. This estimation task is called calibration. This thesis first proposes a review of the statistical methods necessary to understand Bayesian calibration. Then, a review of the main calibration methods is presented with a comparative example based on a numerical code used to predict the power of a photovoltaic plant. The package called CaliCo which allows to quickly perform a Bayesian calibration on a lot of numerical codes is then presented. Finally, a real case study of a large photovoltaic power plant will be introduced and the calibration carried out as part of a performance monitoring framework. This particular case of industrial code introduces numerical calibration specificities that will be discussed with two statistical models.
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Editeur(s) : | Gif-sur-Yvette [France] : Université Paris-Saclay ; Ecole doctorale ABIES (Agriculture Alimentation BIologie Environnement Santé) |
Date de publication : | 2018 |
Format : | 1 vol. (139 p.) / ill. en coul., fig., tabl., graph. / 30 cm |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=197136 |
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