Multiobjective Evaluation of Configurations for Hybrid Electric Bus Equipped With Hybrid Energy Storage System Based on Optimal Energy Management Strategy

IF 1.9 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Kegang Zhao, Yelin Xie, Kunyang He, Zhihao Liang, Yanwei Liu
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Abstract

For hybrid buses equipped with hybrid energy storage systems, it is crucial to thoroughly evaluate and analyze the potential of different hybrid configurations in order to select an appropriate powertrain configuration for subsequent development. Currently, due to the low efficiency of energy management systems’ multiobjective weighting algorithm and the comparison of different configuration performance under specific component parameters, it is difficult to fully demonstrate the performance potential of configurations. To solve the above problems, multiple allowable component parameter schemes need to be considered. This article introduces a multiobjective evaluation method for hybrid powertrain configurations based on the nondominated sorting dynamic programming algorithm and employs parameter selection and collaborative energy management strategy optimization to overcome the challenge of large computational volume. Through the multiobjective Pareto front of fuel economy and battery SoH (state of health) changes, an effective comparison and analysis of the performance of two hybrid powertrain configurations were conducted. The results reveal that, for an 18-ton urban bus, under equivalent variations in battery SoH, the power-split configuration demonstrates an average fuel consumption reduction of 10.7% compared to the series-parallel configuration. The comparison results of various parameter configuration combinations indicate that the power-split configuration outperforms the series-parallel configuration in urban driving conditions. The aforementioned conclusions also provide reference for the selection of configuration schemes for similar types of commercial vehicles.

Abstract Image

基于最优能量管理策略的混合动力客车混合储能系统配置多目标评价
对于配备混合动力储能系统的混合动力客车,全面评估和分析不同混合动力配置的潜力,为后续开发选择合适的动力总成配置至关重要。目前,由于能源管理系统的多目标加权算法效率较低,并且在特定部件参数下对不同配置性能进行比较,难以充分展示配置的性能潜力。为了解决上述问题,需要考虑多种允许构件参数方案。本文介绍了一种基于非支配排序动态规划算法的混合动力总成配置多目标评估方法,并采用参数选择和协同能量管理策略优化来克服计算量大的挑战。通过燃油经济性和电池健康状态变化的多目标Pareto前沿,对两种混合动力总成配置的性能进行了有效的比较和分析。结果表明,对于一辆18吨的城市公交车,在电池SoH相同变化的情况下,功率分割配置与串并联配置相比,平均油耗降低10.7%。各种参数配置组合的对比结果表明,功率分路配置在城市行驶工况下优于串并联配置。上述结论也为同类商用车配置方案的选择提供了参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
5.80
自引率
4.30%
发文量
18
审稿时长
29 weeks
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