惯性平台台体动态分析及动力修改  

Dynamic Analysis and Modification for Inertial Platform

作　　者：孙保和[1] 杨朋军[2] 

机构地区：[1]西北工业大学航天工程学院,西安710072 [2]航天时代电子公司第十六研究所,西安710100

出　　处：《弹箭与制导学报》2006年第3期53-55,58,共4页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：针对某型号惯性平台振动超差问题,以振动实验数据作为参考,从而确定出陀螺的计算特性参数。通过进行有限元动态分析,发现了台体结构的薄弱环节;针对结构所存在的问题,提出了动力修改意见。结果表明,改进后的结构较改进前其动态特性显著提高。文中为该型号平台振动超差问题的解决提供了理论依据,同时为以后进行结构设计奠定了新的基础。This paper aiming at the vibration problem of some type of inertial platform. The calculation character parameter of gyro is confirmed on the basis of the vibration test data. The dynamic properties analysis for inertial platform is proceeded by using finite element method, and then the weak link of the structure are found. Aiming at potential problems, modification for the improvement of the dynamic properties are proposed. Compared with previous structure, the dynamic properties of later is improved clearly. So the solution to the vibration of some type of inertial platform and a base for the modification and optimal design for structure is provided.

关 键 词：有限元 动态分析 动力修改 

分 类 号：V241.622[航空宇航科学与技术—飞行器设计]