A New Intelligent Hybrid Control Approach for DC/DC Converters in Zero-Emission Ferry Ships

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Nowadays, sea traveling is increasing due to its practicality and low-cost. Ferry boats play a significant role in the marine tourism industry to transfer passengers and tourists. Nevertheless, traditional ferry ships consume massive amounts of fossil fuels to generate the required energy for their motors and demanded loads. Also, by consuming fossil fuels, ferries spatter the atmosphere with CO2 emissions and detrimental particles. In order to address these issues, Ferry-building industries try to utilize renewable energy sources (RESs) and energy storage systems (ESSs), instead of fossil fuels, to provide the required power in the ferry boats. In general, full electric ferry (FEF) boats are a new concept to reduce the cost of fossil fuels and air emissions. Hence, FEF can be regarded as a kind of DC stand-alone microgrid with constant power loads (CPLs). This paper proposes a new structure of a fully electric ferry ship based on RESs and ESSs. In order to solve the negative impedance induced instabilities in DC power electronic based RESs, a new Intelligent Single Input interval type-2 fuzzy logic controller based on sliding mode control is proposed for the DC/DC converters feeding CLPs. The main feature of the suggested technique is that it is mode-free and regulates the plant without requiring the knowledge of converter dynamics. Finally, we conduct a dSPACE-based real-time experiment to examine the effectiveness of the proposed energy management system for full electric ferry vessels.
OriginalsprogEngelsk
Artikelnummer8890831
TidsskriftIEEE Transactions on Power Electronics
Vol/bind35
Nummer6
Sider (fra-til)5832-5841
Antal sider10
ISSN0885-8993
DOI
StatusUdgivet - 2020

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