基于运动病诱发率的400 km/h高速铁路线路参数适应性分析-《高速铁路技术》

文章信息/Info

Title:: Adaptability Analysis of 400 km/h High-speed Railway Line Parameters Based on Motion Sickness Incidence

Author(s):: SHI Jin; XU Ping; LIU Xingyu; 1. Beijing Jiaotong University, Beijing 100044, China;
2. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, China

Keywords:: 400 km/h high-speed railway|motion sickness incidence|prediction analysis model|line design parameters|adaptability

摘要:: 针对400 km/h高速铁路线路设计需求，本文以高速铁路车线动力学方法为基础，引入运动病诱发率（Motion Sickness Incidence，简称MSI）作为舒适性评价指标，参考运动病诱发率预测模型，提出适用于线性分析的运动病诱发率预测方法，并对某高速铁路线路设计参数与速度匹配适应性进行了分析研究。结果表明：（1）MSI能很好地反应乘客在运动环境中的舒适性；（2）线路里程和曲线段数相同时，MSI随曲线半径的增大而减小；MSI相同时，大半径曲线能相对延长线路里程，增加曲线段数；（3）MSI曲线斜率能反映单个曲线对乘客舒适性的影响规律；（4）12 000 m曲线半径及其匹配的超高、缓和曲线长度等与400 km/h行车速度的适应性良好，且可进一步提速至450 km/h乃至更高速度。

Abstract:: Based on the design requirements of 400 km/h high-speed railway projects in China, we introduced motion sickness incidence (MSI) as the comfort evaluation indicator with the vehicle-track dynamic method of high-speed railway, proposed an MSI prediction method applicable to linear analysis by referring to the MSI prediction model, and analyzed the design parameters and speed matching adaptability of a certain high-speed railway. The results show that:(1) MSI can properly reflect the comfort of passengers in the motion environment. (2) Given the same line length and number of curve segments, MSI decreases as the curve radius increases; when MSI is the same, and for the curve with a larger radius, the line length can be relatively extended and the number of curve segments can be increased. (3) The slope of the MSI curve can reflect the rule that how a single curve affects the passenger comfort. (4) The 12 000 m curve radius and the length of the superelevation and transition curves matching the radius have good adaptability with the 400km/h speed, which can be further raised to 450 km/h or even higher.