Search Results - "Charki, Abderafi"

Degradations of silicon photovoltaic modules: A literature review by Ndiaye, Ababacar, Charki, Abdérafi, Kobi, Abdessamad, Kébé, Cheikh M.F., Ndiaye, Pape A., Sambou, Vincent

“…•Corrosion, discoloration, delamination and breakage are the main modes PV modules degradation.•Corrosion and discoloration are the predominant modes of…”
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Impact of the aging of a photovoltaic module on the performance of a grid-connected system by Azizi, Amina, Logerais, Pierre-Olivier, Omeiri, Amar, Amiar, Adel, Charki, Abdérafi, Riou, Olivier, Delaleux, Fabien, Durastanti, Jean-Félix

“…•Impact of the aging on the performance of a grid-connected photovoltaic system.•Dimensioning of a passive filter to reduce the THD level.•Determination of the…”
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Uncertainty assessment in building energy performance with a simplified model by Titikpina Fally, Caucheteux Antoine, Charki Abderafi, Bigaud David

“…To assess a building energy performance, the consumption being predicted or estimated during the design stage is compared to the measured consumption when the…”
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Evaluation performance of photovoltaic modules after a long time operation in Saharan environment by Bandou, Farida, Hadj Arab, Amar, Belkaid, Mohammed Saïd, Logerais, Pierre-Olivier, Riou, Olivier, Charki, Abdérafi

“…Reliability and lifetime of photovoltaic (PV) systems depend mainly on the energy performance of modules and on their different degradation modes. Accordingly,…”
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Degradation evaluation of crystalline-silicon photovoltaic modules after a few operation years in a tropical environment by Ndiaye, Ababacar, Kébé, Cheikh M.F., Charki, Abdérafi, Ndiaye, Papa A., Sambou, Vincent, Kobi, Abdessamad

“…•For a short period of time, the mc-Si PV modules show less degradation as compared to pc-Si modules.•After 4 years, the degradation rate for all type of PV…”
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A virtual CMM to estimate uncertainties by Manlay, Jean-François, Charki, Abdérafi, Delamarre, Anthony

“…Coordinates measuring machines (CMMs) have become classical measuring instruments. Nevertheless, the uncertainties associated to measurements results obtained…”
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Feature extraction-reduction and machine learning for fault diagnosis in PV panels by Chokr, Bassel, Chatti, Nizar, Charki, Abderafi, Lemenand, Thierry, Hammoud, Mohammad

“…•Proposing a data dimensionality reduction strategy able to determine optimal information gain threshold.•Using different information gain thresholds yields…”
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Data comparisons and uncertainty: a roadmap for gaining in competence and improving the reliability of results by Charki, Abdérafi, Pavese, Franco

“…This paper traces a roadmap for gaining in competence and for improving the reliability of results in a laboratory. The roadmap was built from the requirements…”
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Reliability of RT-PCR tests to detect SARS-CoV-2: risk analysis by Bezier, Clément, Anthoine, Géraldine, Charki, Abdérafi

“…The rapid escalation of the number of COVID-19 (Coronavirus Disease 2019) cases has forced countries around the world to implement systems for the widest…”
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Reliability of real-time RT-PCR tests to detect SARS-Cov-2: A literature review by Bezier, Clément, Anthoine, Géraldine, Charki, Abdérafi

“…In the face of the COVID-19 (Coronavirus Disease 2019) pandemic, the World Health Organization (WHO) has urged countries to test the population more widely…”
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Quality approach towards ISO/IEC 17025 accreditation at the center of analysis and characterization of Marrakesh Cadi Ayyad University: metrology stakes by Outaki, Meriem, Benhaida, Sara, Belaqziz, Majdouline, Outzourhit, Abdelkader, Calchera, Gilles, Thévenon, Marie-France, Martin, Luc, Charki, Abdérafi, Ajana, Hamid

“…In the context of the European Tempus project “Quality in Higher Agricultural Education in the Mediterranean (QESAMED)”, Analysis and Characterization Center…”
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Long Term Forecasting of Wind Speed for Wind Energy Application by Aghbalou, Nihad, Charki, Abderafi, Elazzouzi, Saida R., Reklaoui, Kamal

“…A novel method for long term forecasting of wind speed distribution is proposed based on the concept of training neural network. A phase space reconstruction…”
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Reliability-based design optimization for fatigue damage analysis by Ibrahim, M. Haisam, Kharmanda, G., Charki, A.

“…The objective of reliability-based design optimization (RBDO) is to design structures which should be both economic and reliable. The existing methods lead to…”
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Some important features of the proposed new definition of the International System of Units (SI): realization and hierarchical problems that the users should know about by Pavese Franco, Charki Abdérafi

“…The paper, after a short introduction to measurement units in general and to the present international system of units (SI: Système International des Unités),…”
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An overview of Quality Management System implementation in a research laboratory by Molinéro-Demilly, Valérie, Charki, Abdérafi, Jeoffrion, Christine, Lyonnet, Barbara, O'Brien, Steve, Martin, Luc

“…The aim of this paper is to show the advantages of implementing a Quality Management System (QMS) in a research laboratory in order to improve the management…”
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Behavior analysis of machines and system air hemispherical spindles using finite element modeling by Charki, Abdérafi, Bigaud, David, Guérin, Fabrice

“…Purpose - The spindle behavior of machines and systems depends largely on the choice and design quality of the mechanical components used for the displacement…”
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Numerical simulation and experimental study of thrust air bearings with multiple orifices by Charki, A., Diop, K., Champmartin, S., Ambari, A.

“…The objective of this paper is to provide a numerical simulation and an experimental study in order to assess stiffness and damping characteristics of thrust…”
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Robustness evaluation using highly accelerated life testing by Charki, Abdérafi, Laronde, R., Guérin, F., Bigaud, D., Coadou, F.

“…This paper presents experimental aspects and results of highly accelerated life testing in order to study the robustness of electronic boards subject to two…”
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Quality management: the challenges of regional governance in West Africa by Osseni Loukoumanou, Charki Abdérafi, Kebe Fadel, Calchera Gilles, Martin Luc, Bonnier Georges

“…With a total area of 3 509 600 km2 and a population of over 80 340 000 people, the eight WAEMU countries (the West Africa Economic and Monetary Union) have…”
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Functional and dysfunctional analysis of a mechatronic system by Demri, A., Charki, A., Guerin, F., Christofol, H.

“…A study of system reliability is generally preceded by a functional analysis, which consists of defining the material limits, the various functions and…”
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