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Electrification of urban mobility: The case of catenary-free buses

机译：城市流动性的电气化：无面颊的公共汽车的情况

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摘要

Electric mobility is now a reality, and services based on electric vehicles, such as electric car-sharing and electric buses, are becoming part of urban mobility. These new modes bring new challenges for the design and operations of the systems that require specific decision support tools for the evaluation of the service performance. In order to pave the way toward integrated electrified urban mobility, an operational tool is needed that enables the technology to be successfully implemented in practice. This paper proposes a simulation framework for the evaluation of electric vehicle operations. The framework is composed of a simplified traffic simulator, an energy consumption model, and a speed profile model. A macroscopic representation of the energy consumption is derived from a nanosomic energy model. This allows limiting the computation time. Then, a stochastic representation of the stopping profile is defined, which is essential to derive the speed profile in case of missing data. The framework generates a distribution of the key performance indicators, like the battery state of charge, for a large number of scenarios. The utility of the framework is illustrated on the case study of a public transport service using catenary-free electric buses in combination with fast charging stations. The results quantify the probability that the on-board batteries reach a low state of charge, and they evaluate the effects of different strategies to reduce this probability. This information is useful for transport planners to dimension the system correctly.
机译：电动机现在是现实，基于电动汽车和电动公共汽车等电动汽车的服务正在成为城市移动性的一部分。这些新模式为需要特定决策支持工具的系统的设计和运营带来了新的挑战，以便评估服务性能。为了铺平往集成电气化的城市移动性，需要操作工具，使得能够在实践中成功实现技术。本文提出了一种用于评估电动汽车操作的仿真框架。该框架由简化的流量模拟器，能量消耗模型和速度型材模型组成。能量消耗的宏观表示衍生自纳米计量模型。这允许限制计算时间。然后，定义停止轮廓的随机表示，这对于导出丢失数据的情况下是必不可少的。对于大量方案，该框架产生了电池充电状态的关键性能指标的分布。框架的效用是在与快速充电站结合使用凸面的电动公共汽车的公共交通服务的情况下的案例研究。结果量化了板载电池达到了低充电状态的概率，它们评估了不同策略降低这种概率的影响。该信息对于传输规划人员可以正确维护系统。

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  • 来源
    《Transport policy》 |2019年第8期|39-48|共10页
  • 作者

    Scarinci Riccardo; Zanarini Alessandro; Bierlaire Michel;

  • 作者单位

    Ecole Polytech Fed Lausanne Sch Architecture Civil & Environm Engn ENAC Transport & Mobil Lab TRANSP OR Lausanne Switzerland;

    ABB Corp Res Ctr Baden Switzerland;

    Ecole Polytech Fed Lausanne Sch Architecture Civil & Environm Engn ENAC Transport & Mobil Lab TRANSP OR Lausanne Switzerland;

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