This paper presents a power management optimisation method for a hybrid electric ferry where a fuel cell is used as the primary source of power and a battery to cater the fast changes in the propulsion load. Efficiency of the fuel cell is taken as the optimisation objective and maintaining the power balance and battery state of charge during the round-trip are taken as constraints. A semi-empirical model of the fuel cell efficiency is derived to formulate the optimisation problem which is then used with the fmincon function in MATLAB to solve the optimisation problem. Optimum values generated by the fmincon algorithm is used as the power reference for the fuel cell. Simulation results validate the fuel cell power commands generated by the optimisation algorithm and the power balance and state of charge of the battery are maintained within the specified range.

Item Type:	Refereed Conference Paper
Keywords:	fuel cell efficiency model, fuel cell, electric ferry, parameter estimation, parameter optimisation, power management system, battery, hybrid electric ferry
Research Division:	Engineering
Research Group:	Maritime engineering
Research Field:	Marine engineering
Objective Division:	Transport
Objective Group:	Water transport
Objective Field:	International sea freight transport (excl. live animals, food products and liquefied gas)
UTAS Author:	Cha, M (Miss Minyung Cha)
UTAS Author:	Jayasinghe, SG (Dr Shantha Jayasinghe Arachchillage)
UTAS Author:	Enshaei, H (Dr Hossein Enshaei)
UTAS Author:	Islam, R (Dr T M Rabiul Islam)
UTAS Author:	Abeysiriwardhane, A (Dr Apsara Abeysiriwardhane)
ID Code:	148506
Year Published:	2021
Deposited By:	Seafaring and Maritime Operations
Deposited On:	2022-01-17
Last Modified:	2022-07-12
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