A Novel Multi-Objective Energy Management Strategy for Fuel Cell Buses Quantifying Fuel Cell Degradation as Operating Cost

Menglin Li, Haoran Liu, Mei Yan (), Hongyang Xu and Hongwen He
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Menglin Li: School of Vehicle and Energy, Yanshan University, Qinhuangdao 066004, China
Haoran Liu: School of Vehicle and Energy, Yanshan University, Qinhuangdao 066004, China
Mei Yan: School of Vehicle and Energy, Yanshan University, Qinhuangdao 066004, China
Hongyang Xu: School of Vehicle and Energy, Yanshan University, Qinhuangdao 066004, China
Hongwen He: National Engineering Laboratory for Electric Vehicles, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China

Sustainability, 2022, vol. 14, issue 23, 1-16

Abstract: Fluctuation in a fuel cell’s output power affects its service life. This paper aims to explore the relationship between power output fluctuation and energy consumption and the cost of the fuel cell system. Hence, based on the actual driving information of vehicles, a novel multi-objective energy management strategy (EMS) for fuel cell buses (FCBs) that quantifies fuel cell life as operating cost is proposed. The actual driving data of FCBs on bus line 727 in Zhengzhou, China, were collected. Based on this, considering the degradation factors of the fuel cell and power battery hybrid energy system, a multi-objective cost framework was established to quantify the life degradation as consumption cost. Furthermore, the influence of different power change limits on the performance of the EMS was analysed based on real-world driving data and the typical Chinese city bus driving cycle, respectively. The simulation results show that the degradation cost of the fuel cell can be effectively reduced when the power change limit is 1 kW, and the simulation results obtained using real-world driving data are very different from those obtained using typical city bus driving cycles. This study provides a reference for the application of a vehicle energy management strategy in real-world scenarios as well as highlights its significance.

Keywords: fuel cell hybrid buses; energy management strategy; multi-objective optimisation; degradation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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