Prediction of on-board energy usage combining physics-based modeling and machine learning

Jerker Björkqvist, Mikael Manngård, Wilhelm Gustafsson, Jari Böling, Joachim Hammarström

Tutkimustuotos: Artikkeli kirjassa/raportissa/konferenssijulkaisussaKonferenssiartikkeliTieteellinenvertaisarvioitu

Abstrakti

The global goal of environmental sustainability drives the maritime industry to reduce its emissions. Emissions are mainly caused by energy production, hence making both production and consumption of energy more efficient is essential. To use energy more efficiently, we need to fully understand how energy is being utilized. In this paper, machine learning is used, together with physical modeling, to both analyze and predict energy streams onboard a cruise ship. A physics-based model for the cooling and waste-heat management system on a ship is presented. To learn typical energy usage patterns, machine learning is performed on one-month operation data from a mid-size cruise ship. The combination of machine learning with physical modeling is used to predict energy usage and flows for the next 24 hours. The objective is to give officers onboard a ship the possibility to predict how their actions alter the total energy usage and efficiency.
AlkuperäiskieliEnglanti
Otsikko3rd International Conference on Modelling and Optimisation of Ship Energy Systems
JulkaisupaikkaEspoo
TilaJulkaistu - toukokuuta 2021
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa

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