大口径光栅拼接装置的微振动响应分析  

The micro-vibration analysis for the large aperture grating tiling device

作　　者：周忆[1,2] 廖云飞 刘有海 罗跃飞 王逍[3] 周海[3] 

机构地区：[1]重庆大学机械传动国家重点实验室,重庆400044 [2]童庆大学机械工程学院,重庆400044 [3]中国工程物理研究院激光聚变研究中心,四川绵阳610019

出　　处：《重庆大学学报（自然科学版）》2012年第7期49-53,共5页Journal of Chongqing University

基　　金：国家高技术发展计划项目(2007AA804217);中央高校基本科研业务费资助项目(CDJXS11111140)

摘　　要：针对2×2大口径光栅拼接装置在暖通空调振动影响下的稳定性问题,建立了有限元动力分析模型。以实测的震动功率谱密度为激励,运用ANSYS软件对其随机振动响应进行分析计算,并与实测结果进行了比较。结果表明,该装置在工作环境中满足稳定性要求。A new grating tiling device with 2×2 gratings is developed to obtain a large aperture grating.For the stability of the device impacted by the HVAC vibration,a dynamic finite element analysis model is established.The random vibration response of the model under the measured power spectral density as stimulus has been carried out by the ANSYS software,and the data has been compared to the experimental data.The results show that the device can meet the stability requirements in the work environment.

关 键 词：光栅拼接装置 有限元分析 振动响应 稳定性 

分 类 号：TH632.1[机械工程—机械制造及自动化]