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A data-based model for driving distance estimation of battery electric logistics vehicles

机译:基于数据的电池电动物流车辆驾驶距离估计模型

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Abstract Battery electric logistics vehicles (BELVs) reduce transportation costs and air pollution unlike conventional logistics vehicles. However, the limited driving range of BELVs creates new problems for logistics transport. Accurate driving distance estimation of BELVs can help logistics companies determine transport strategies and alleviate the range anxiety of drivers. Based on mass data from BELVs operating in Beijing, China, this study uses a practical and effective data-based modeling method, regression analysis, to establish the data-based model of driving distance estimation. During the modeling process, a nonlinear relation between percentage of energy consumption per kilometer and driving speed is explored based on the experimental data. After determining the model variables, the model frame of driving distance in consideration of driving speed and state of charge is established. The forgetting factor recursive least-squares algorithm is applied to estimate the parameter values of the model. Verification results confirm the feasibility of the model and show that the model errors are small. The proposed model is also used to explore the economical driving speed of BELVs.
机译:摘要电池电动物流车辆(BELV)与传统物流车辆不同,降低运输成本和空气污染。然而,BELV的有限驾驶范围为物流运输创造了新的问题。 BELV的准确驾驶距离估计可以帮助物流公司确定运输策略并减轻司机的范围焦虑。基于来自中国北京的Belvs的群众数据,本研究采用了一种实用和有效的基于数据的建模方法,回归分析,建立了驾驶距离估计的基于数据的模型。在建模过程中,基于实验数据,探索了每公里和驾驶速度的能量消耗百分比之间的非线性关系。在确定模型变量之后,建立了考虑驱动速度和充电状态的驱动距离的模型帧。应用遗忘因子递归最小二乘算法来估计模型的参数值。验证结果证实了模型的可行性,并显示模型错误很小。拟议的模型还用于探索BELV的经济驾驶速度。

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