摘要
介绍了一种运用液压驱动作动器对高速铁路轨枕及扣件进行半物理仿真及加载试验的测试系统,此系统用于对高速铁路运行过程中轨道和枕木连接扣件相互作用进行模拟和测试,以验证扣件和轨枕系统对高铁运行过程中产生的动态力的耐受情况。文中阐述了此加载系统的原理及组成结构,分析了加载系统的稳态加载精度,并设计了滞后控制器用以提高系统的加载控制精度。
A testing system for semi-physical simulation and load test of high-speed rail sleepers and fastenings utilizing hydraulically driven actuators is described,which is applied to simulation and measurement on track and sleeper connecting fastener interactions in the running process.This might help to verify the tolerance of sleepers and fastenings to dynamic force generated in the running process.Theory and structure of the loading system is also elaborated,with steady state loading precision analyzed and hysteresis controller designed to improve loading control accuracy.
出处
《中国科技信息》
2012年第23期113-114,共2页
China Science and Technology Information
关键词
扣件
加载试验系统
疲劳试验
高速铁路
railroad tie
fatigue test
loading system
high-speed rail
