矩阵摄动理论在六轴机车横向运动稳定性分析中的应用

Application of matrix perturbation theory onanalyzing 6-axle locomotive lateral stability

本文提出一种分析机车横向运动稳定性的方法 ,即利用复模态的矩阵摄动法来计算临界速度。该方法避免了反复计算矩阵的特征值从而可节约大量的计算时间。对矩阵摄动法计算精度的研究结果表明 ,该方法的精度是足够的。

This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory. In this method, the repeated calculation of the matrix's eigenvalues is avoided, so the calculating time is reduced. The numerical results indicate that this method is very accurate.