基于真实世界驾驶数据的电池电动巴士能耗估算方法

IF 2.6 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Peng Wang, Qiao Liu, Nan Xu, Yang Ou, Yi Wang, Z. Meng, Ning Liu, Jiyao Fu, Jincheng Li
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引用次数: 0

摘要

实际驾驶条件下的能耗估算是优化公交调度、满足线路运营要求的前提,从而促进电池电动公交车的大规模应用。然而,由于数据精度的限制以及天气条件、交通状况、驾驶方式等诸多因素的不确定性,使得精确的能耗估算变得复杂。针对这些挑战,本研究提出了一种估算电池电动公交车(BEB)能耗的新方法。该方法利用实际驾驶数据估算不同驾驶方式的速度曲线和能耗极值。首先,本研究提供了由天气条件、路线特征和交通特征等环境因素对速度形成的限制。在此基础上,对能耗的估算分为两个层次。第一级对不同的驾驶风格进行分类,并以与实际驾驶数据相同的时间间隔(10 秒)构建相应的速度曲线。第二级通过填充第一级速度曲线并估算能耗极值,进一步构建时间间隔为 1 秒的速度曲线。最后,将估计出的能耗最大值和最小值与真实值进行比较,结果表明真实能耗并未超过我们估计的极值,这证明我们提出的方法是合理和有用的。因此,这项研究可以为电池电动公交车的部署提供理论基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy Consumption Estimation Method of Battery Electric Buses Based on Real-World Driving Data
The estimation of energy consumption under real-world driving conditions is a prerequisite for optimizing bus scheduling and meeting the requirements of route operation, thereby promoting the large-scale application of battery electric buses. However, the limitation of data accuracy and the uncertainty of many factors, such as weather conditions, traffic conditions, and driving styles, etc. make accurate energy consumption estimation complicated. In response to these challenges, a new method for estimating the energy consumption of battery electric buses (BEBs) is proposed in this research. This method estimates the speed profiles of different driving styles and the energy consumption extremes using real-world driving data. First, this research provides the constraints on speed formed by environmental factors including weather conditions, route characteristics, and traffic characteristics. On this basis, there are two levels of estimation for energy consumption. The first level classifies different driving styles and constructs the corresponding speed profiles with the time interval (10 s), the same as real-world driving data. The second level further constructs the speed profiles with the time interval of 1 s by filling in the first-level speed profiles and estimating the energy consumption extremes. Finally, the estimated maximum and minimum value of energy consumption were compared with the true value and the results showed that the real energy consumption did not exceed the extremes we estimated, which proves the method we proposed is reasonable and useful. Therefore, this research can provide a theoretical foundation for the deployment of battery electric buses.
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来源期刊
World Electric Vehicle Journal
World Electric Vehicle Journal Engineering-Automotive Engineering
CiteScore
4.50
自引率
8.70%
发文量
196
审稿时长
8 weeks
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