Modelling and Design of Real-Time Energy Management Systems for Fuel Cell/Battery Electric Vehicles

Alessandro Serpi and Mario Porru
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Alessandro Serpi: Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy
Mario Porru: Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy

Energies, 2019, vol. 12, issue 22, 1-21

Abstract: Modelling and design of real-time energy management systems for optimising the operating costs of a fuel cell/battery electric vehicle are presented in this paper. The proposed energy management system consists of optimally sharing the propulsion power demand between the fuel cell and battery by enabling them to support each other for operating cost minimisation. The optimisation is achieved through real-time minimisation of a cost function, which accounts for fuel cell and battery degradation, hydrogen consumption and charge sustaining costs. A detailed analysis of each term of the overall cost function is performed and presented, which enables the development of a real-time, advanced energy management system for improving a previously presented simplified version using more accurate modelling and by considering cost function minimisation over a given time horizon. The performance of the proposed advanced energy management system are verified through numerical simulations over different driving cycles; particularly, simulations were performed in MATLAB-Simulink by considering a hysteresis-based energy management system and both simplified and advanced versions of the proposed energy management system for comparison.

Keywords: batteries; cost function; electric vehicles; energy management; fuel cells; hybrid energy storage systems; hydrogen; optimisation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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