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Optimized fuzzy rule-based energy management for a battery-less PV/wind-BWRO desalination system

Ben Ali, Ines and Turki, Mehdi and Belhadj, Jamel and Roboam, Xavier Optimized fuzzy rule-based energy management for a battery-less PV/wind-BWRO desalination system. (2018) Energy, 159. 216-228. ISSN 0360-5442

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Official URL: https://doi.org/10.1016/j.energy.2018.06.110

Abstract

Coupling water desalination processes with Renewable Energy Sources (RESs) can be a sustainable and ecological approach to the global water/energy supply crisis. In this regard, small-scale standalone battery-less Brackish Water Reverse Osmosis (BWRO) desalination system powered by a hybrid PV/Wind RES is expected to meet freshwater demand of a small isolated community. One particularity of the proposed architecture deals with the absence of electrochemical storage; only taking benefit of hydraulic storage in water tanks when RE is available. This study puts forward the prime importance of Water/Power flows management optimization. For this purpose, an online Fuzzy Logic-based Energy Management Strategy (FLEMS) is proposed. Firstly, a Hand-Made Fuzzy Inference System (HMFIS) was designed to identify the instantaneous power sharing between the system hydro-mechanical processes (well pumping, water storage and desalination processes). Secondly, an offline genetic algorithm optimization was applied on the HMFIS design in order to optimize the power sharing factor and maximize freshwater production. Then, when applying unknown power profile, the optimized FLEMS demonstrated its performance to improve the system energy efficiency and enhance the brackish water (from 16.7% in autumn to 63% in summer) and freshwater production (to 3.3% during autumn for instance) compared with the HMFIS-based EMS.

Item Type:Article
Additional Information:CC-BY-NC-ND
HAL Id:hal-02330729
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Université de Tunis - El Manar (TUNISIA)
Other partners > Université de Jendouba (TUNISIA)
Other partners > Université de Tunis (TUNISIA)
Laboratory name:
Funders:
Tunisian Ministry of Higher Education and Research - European Union
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Deposited On:23 Sep 2019 08:50

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