考虑辅助停车区约束的中速磁浮列车速度曲线节能优化方法

来源期刊:中南大学学报(自然科学版)2019年第6期

论文作者:刘军 柴晓凤 赖晴鹰 孟令云 丁文亮 徐亚之

文章页码:1499 - 1507

关键词:铁路运输;中速磁浮;速度曲线;辅助停车区;Pareto

Key words:railway transportation; middle-speed maglev; trajectory planning; auxiliary stopping area; Pareto

摘    要:在分析中速磁浮列车动力学模型和节能运行工况转换序列的基础上,提出一种先以运行线路参数为依据划分场景,然后在特定场景中以双限速度防护曲线的临界点为依据进一步细分区间的建模思想,进而构建满足目标运行时间约束下的多区间列车速度曲线节能优化模型,并给出一种基于不同运行工况转换点的求解思路以及多区间列车节能速度曲线的Pareto优化方法。研究结果表明:与现有列车速度曲线节能优化方法对比,本文优化方法针对磁浮列车运行的适用性和优化效果更好。

Abstract: Based on the analysis of the kinetic equations of the middle-speed maglev and the switching sequence of energy-efficient operation conditions, the running line was divided into different scenes according to the line parameter. Then the scene was divided into different sections further according to the crossover point of the double protected curve. The model was established to optimize energy-efficient trajectory of multiple sections under the constraint of the target running time. And then the model was given a resolving thought based on different switching point of operation conditions and the Pareto optimization method to optimize the energy-efficient trajectory planning of multiple sections. The results show that the applicability and optimization for the maglev of the optimization method is better than that of the existing energy-efficient trajectory planning optimization methods.

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