摘要
根据列车振动体系的简化模型及其相应的运动方程,利用傅氏变换求出了列车振动响应的频域表达式.进而用随机振动理论计算得到了列车振动响应统计特征的数字表达式.同时举例对列车竖向随机振动响应进行了分析.
Based on the simplified model of the train system vibration and its corresponding equation of motion,the frequency domain expression of train vibration responses were established by using fourier transform.The formulas for evaluating the statistical characteristics of the train vibration responses were derived by using the theories of random vibration.As an example, the vertical stochastic responses of a train system were analyzed.
出处
《兰州交通大学学报》
CAS
2005年第3期24-27,共4页
Journal of Lanzhou Jiaotong University
关键词
列车
响应
竖向
随机振动
train
responses
vertical
random vibration
