基于主成分分析赋权的变轨距列车悬挂参数优化  

Optimization of suspension parameters for variable-gauge trains based on the PCA assignment

作　　者：刘玉梅[1] 胡婷 庄娇娇 盛佳香 周殿买 LIU Yu-mei;HU Ting;ZHUANG Jiao-jiao;SHENG Jia-xiang;ZHOU Dian-mais(College of Transportation,Jilin University,Changchun 130022,China;School of Mechanical andVehicle Engineer,Linyi University,Linyi 276000,China;CRRC Changchun Railway,Vehicles Co.,Ltd.,Changchun 130062,China)

机构地区：[1]吉林大学交通学院,长春130022 [2]临沂大学机械与车辆工程学院,山东临沂276000 [3]中车长春轨道客车股份有限公司,长春130062

出　　处：《吉林大学学报(工学版)》2024年第11期3158-3167,共10页Journal of Jilin University:Engineering and Technology Edition

基　　金：吉林省科技厅重点研发项目(20200401108GX);吉林省科技厅重大研发专项项目(20210301006GX)。

摘　　要：为改善变轨距列车不同轨距线路上的运行性能,采用基于PCA赋权的信噪比方法对悬挂参数进行优化设计。基于SIMPACK建立1435/1520 mm变轨距列车的动力学仿真模型,采用参数试验法结合Pareto图筛选出关键悬挂参数,基于最优拉丁超立方采样方法选取200组关键悬挂参数进行仿真试验,对输出的动力学指标进行加权信噪比分析,通过主成分分析对子目标权重进行赋值,得到变轨距列车综合两种轨距下的关键悬挂参数的优化值。对优化结果进行试验验证表明:优化后的车辆在两种轨距线路上的动力学性能均满足标准要求,且具有更好的动力学性能。In order to improve the running performance of variable-gauge trains when working on different gauge lines,a PCA assigned signal-to-noise ratio-based method is used to optimize the suspension parameters.It established the dynamic simulation model of 1435/1520 mm high-speed variable-gauge train based on SIMPACK.The key suspension parameters were selected by parameter test method Pareto diagram.Based on the optimal Latin hypercube design method,200 groups of key suspension parameters were selected for simulation test.The signal-to-noise ratio is used to analyze the dynamic performance.Assigning the weights of various dynamic indicators through principal component analysis,and obtain the optimized values of key suspension parameters for variable-gauge trains under two different gauge combinations.The results of parameter optimization are tested and verified,which show that the dynamic performance of the optimized suspension parameters on the two gauges meets the standard requirements,and the vehicle has better dynamic performance.

关 键 词：铁路运输 变轨距列车 参数优化 动力学指标 最优拉丁超立方 主成分分析 

分 类 号：U297.9[交通运输工程—交通运输规划与管理]