Investigation of novel intelligent energy management strategies for connected HEB considering global planning of fixed-route information

Yue Wang, Keqiang Li, Xiaohua Zeng, Bolin Gao and Jichao Hong

Energy, 2023, vol. 263, issue PB

Abstract: Intelligent algorithms and route information play significant roles in improving the energy management of a hybrid electric bus (HEB). This paper proposes two intelligent strategies for connected HEB based on a novel layered framework considering global planning of fixed-route information. At the cloud layer, the optimal SOC and working mode of global planning is solved by a new dynamic programming algorithm with termination state constraints under the representative cycle of fixed-route. At the vehicle layer, integrated with these results of global planning, the adaptive optimization intelligent energy management strategy (G-AOI-EMS) and Deep Q-learning intelligent energy management strategy (G-DQL-EMS) are presented, respectively. To evaluate the proposed two intelligent strategies, a novel three-dimensional evaluation method for comprehensive comparison is carried out from optimality, adaptability, and real-time. The results indicate that the fuel economy of G-AOI-EMS is better than G-DQL-EMS in terms of optimality. In terms of adaptability, the G-DQL-EMS can better adapt to condition changes. Finally, the hardware-in-the-loop test is implemented. In terms of real-time, the offline simulation and HIL test results are approximately consistent for the proposed two strategies. The G-DQL-EMS have better real-time than G-AOI-EMS.

Keywords: Hybrid electric bus; Intelligent energy management; Global planning; Fixed route information; Adaptive optimal; Deep Q learning (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:263:y:2023:i:pb:s0360544222026305

DOI: 10.1016/j.energy.2022.125744

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