针对三轴标准振动台簧片解耦结构低固有频率及非线性特性导致的工作频率范围受限及输出
振动波形严重失真等问题, 首先基于确定的解耦结构关键参数及简化组合, 通过Ansys …

提出适用于铁道车辆结构模态匹配设计的具体准则, 指导车辆设计过程中各组件间或结构自身
动力学特征参数设计, 以减少车辆异常振动问题的发生. 随着对铁道车辆的运营速度, 运行品质 …

针对低频电磁标准振动台输出振动受刚度非线性影响而产生严重谐波失真问题,
首先基于非线性特性幂级数等效原理, 分析了输出振动的加速度失真特性. 然后 …

针对高速列车车体低阶模态频率提升过程中, 传统灵敏度分析方法存在的设计变量繁多和难以
识别出优先改进部件的难题, 提出了一种新颖的车体模态频率贡献度评估与结构改进方法 …

Vehicle suspension systems play a critical role in ensuring passenger comfort and safety.
Detecting faults in these systems is vital for maintaining safety, performance, and cost …

动车组车体结构轻量化设计会导致结构柔性增加, 随着动车组运营里程的增加, 轮轨磨耗的加剧,
车体在运行过程会出现抖车, 晃车等异常弹性振动现象, 进而影响乘坐舒适性和运行安全性 …

The centralized power EMU is a new type of passenger transport vehicle in the process of
upgrading the transportation equipment of China's ordinary speed railways. It can …

The centralized power EMU is a new type of passenger transportation equipment for
ordinary-speed railways in China, which can greatly improve the efficiency of ordinary …

In view of the abnormal vibration of the body end wall during the high‐speed operation of
electric multiple units (referred hereafter as EMU), the vibration and noise characteristics of …

Specific criteria for modal matching design of railway vehicle structures have been proposed
to guide the design of dynamic characteristic parameters between components or within the …