• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2019, Vol. 55 ›› Issue (2): 135-146.doi: 10.3901/JME.2019.02.135

• 运载工程 • 上一篇    下一篇

基于元胞自动机方法的地铁车轮磨损动态建模与仿真

尹波润1, 文永蓬1, 尚慧琳2   

  1. 1. 上海工程技术大学城市轨道交通学院 上海 201620;
    2. 上海应用技术大学机械工程学院 上海 201418
  • 收稿日期:2018-03-20 修回日期:2018-09-20 出版日期:2019-01-20 发布日期:2019-01-20
  • 通讯作者: 文永蓬(通信作者),男,1979年出生,博士,副教授,硕士研究生导师。主要研究方向为城市轨道车辆振动与控制、城市轨道车辆轮轨磨损。E-mail:yp_wen@163.com
  • 作者简介:尹波润,男,1993年出生,硕士研究生。主要研究方向为城市轨道车辆轮轨磨损;尚慧琳,女,1983年出生,博士,教授,硕士研究生导师。主要研究方向为非线性动力学。
  • 基金资助:
    国家自然科学基金(11472176)和上海市自然科学基金(15ZR1419200)资助项目

Dynamic Modeling and Simulation of Metro Wheel Wear Based on Cellular Automata Method

YIN Borun1, WEN Yongpeng1, SHANG Huilin2   

  1. 1. School of Urban Railway Transportation, Shanghai University of Engineering Science, Shanghai 201620;
    2. School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418
  • Received:2018-03-20 Revised:2018-09-20 Online:2019-01-20 Published:2019-01-20

摘要: 为解决轮轨之间的磨耗预测问题,以地铁车轮为研究对象,利用元胞自动机方法建立轮轨磨耗动态分析模型,将轮轨接触问题以局部演变规则表征,解析元胞的移动规则、受损规则、切削规则和脱落规则的自组织演变过程,实现了车轮在钢轨上宏观磨耗的动态过程模拟,获得地铁运行过程中轮缘高度、轮缘厚度、轮缘综合值的变化情况,并且,同时考虑车轮和钢轨磨损的相互作用,采用皮尔逊相关系数对仿真结果与实测结果进行对比,发现具有极强相关和强相关性,验证了仿真模型的有效性。研究结果表明:建立的轮轨接触元胞自动机模型适用于车轮磨损的动态演变过程,设置的局部演化规则是合理的,形象地描述了车轮型面的变化过程,轮缘高度、轮缘厚度及轮缘综合值的仿真结果与实测结果对比证明了元胞自动机方法在车轮磨损上的可行性。工作为轮轨磨损预测提供了一种新思路,在指导镟轮合理周期的制定方面具有一定的参考价值。

关键词: 车轮磨损, 轮缘高度, 轮缘厚度, 轮缘综合值, 元胞自动机

Abstract: In order to solve the problem of wear prediction between wheel and rail, the wheels of urban rail metro are taken as the research objects, and the dynamic analysis model of wheel-rail wear is established using the method of cellular automata. The wheel-rail contact problem is characterized by local evolution rules, and the self-organization evolution process of the cell's movement rules, damage rules, cutting rules, and shedding rules is analyzed. The dynamic process simulation of the macroscopic abrasion of the wheel on the rail is realized, and the variation of the flange height, the thickness of the flange, and the comprehensive value of the flange during the operation of the urban rail metro is obtained. The interaction between wheel and rail wear is also considered. Using the correlation coefficient to compare the simulation results with actual line operation data, the strong correlation of the comparison results verify the validity of the simulation model. The results show that the wheel-rail contact cellular automaton model is suitable for the dynamic evolution of wheel wear and the established local evolution rules are reasonable, which can describe the change process of the wheel profile. The simulation results of flange height, flange thickness and flange comprehensive value are compared with the measured results to prove the feasibility of cellular automata method in wheel wear. The work provides a new idea for the prediction of wheel-rail wear and has a certain reference value in guiding the development of the reasonable cycle of the reel.

Key words: cellular automaton, flange comprehensive value, flange height, flange thickness, wheel wear

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