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首页> 外文期刊>Promet-traffic & transportation >THE EFFECT OF NONLINEAR CHARGING FUNCTION AND LINE CHANGE CONSTRAINTS ON ELECTRIC BUS SCHEDULING
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THE EFFECT OF NONLINEAR CHARGING FUNCTION AND LINE CHANGE CONSTRAINTS ON ELECTRIC BUS SCHEDULING

机译：非线性充电功能和线变化约束对电汇调度的影响

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摘要

The recharging plans are a key component of the electric bus schedule. Since the real-world charging function of electric vehicles follows a nonlinear relationship with the charging duration, it is challenging to accurately estimate the charging time. To provide a feasible bus schedule given the nonlinear charging function, this paper proposes a mixed integer programming model with a piecewise linear charging approximation and multi-depot and multi-vehicle type scheduling. The objective of the model is to minimise the total cost of the schedule, which includes the vehicle purchasing cost and operation cost. From a practical point of view, the number of line changes of each bus is also taken as one of the constraints in the optimisation. An improved heuristic algorithm is then proposed to find high-quality solutions of the problem with an efficient computation. Finally, a real-world dataset is used for the case study. The results of using different charging functions indicate a large deviation between the linear charging function and the piecewise linear approximation, which can effectively avoid the infeasible bus schedules. Moreover, the experiments show that the proposed line change constraints can be an effective control method for transit operators.
机译：充电计划是电动巴士日程的关键组成部分。由于电动车的实际充电功能与充电持续时间的非线性关系遵循非线性关系，因此准确地估计充电时间是挑战性的。为了提供非线性充电功能的可行的总线调度，本文提出了一种混合整数编程模型，具有分段线性充电近似和多仓和多车型调度。该模型的目的是最大限度地减少时间表的总成本，包括车辆购买成本和运营成本。从实际的角度来看，每个总线的线路变化的数量也被视为优化中的约束之一。然后提出了一种改进的启发式算法，以找到有效计算的问题的高质量解决方案。最后，使用真实的数据集用于案例研究。使用不同充电功能的结果表示线性充电功能和分段线性近似之间的大偏差，这可以有效地避免了可行的总线时间表。此外，实验表明，所提出的线路变化约束可以是过境运营商的有效控制方法。

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