高速列车的节能运行策略

Zhiyu He, Zhijie Yang, Jingyang Lv
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引用次数: 1

摘要

本文研究了使相邻站间高速列车运行能耗最小的最优运行策略。在动力学模型中充分考虑了高速列车的牵引特性和再生制动特性以及铁路的地理条件。在对线路进行离散化分析的基础上,提出了一种由全局优化过程和进一步优化过程组成的新型优化运行策略,以降低能耗。在全局优化过程中,采用遗传算法在固定时间内搜索分段各末端的最优速度。然后,进一步研究了优化策略,搜索速度序列,以改善列车运行过程。为验证所提运行策略的有效性,对优化策略进行了仿真,并对CRH-3的运行性能进行了测试。通过与常规列车运行策略的比较,证明了所提出的运行策略在高速列车上取得了良好的效果。仿真运行结果满足时间、舒适性和能耗要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An energy-efficient operation strategy for high-speed trains
This paper studies the optimal operation strategy to minimize the energy consumption of high-speed train running between adjacent stations. The characteristics of high-speed trains, including traction characteristic and regenerative braking, and the railway geographical conditions are fully considered in the dynamic model. Based on discretization analysis of the route, a novel optimal operating strategy consisting of a global optimization process and a further optimization process is developed to reduce the energy consumption. In the global optimization process, genetic algorithm is applied to search the optimal speed at each end of subsection in fixed time. Then, the optimization strategy is further studied to search the speed serial to improve the train operation process. To verify the effectiveness of the proposed operating strategy, the optimization strategy is simulated, and the operation performance of CRH-3 is tested. In comparison to regular train operation strategies, the proposed operation strategy is proved to obtain the favorable results for high-speed trains. And the simulating operation results meet the requirements of time, comfort and energy consumption.
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