电波科学学报2012，Vol.27Issue(4)：840-844,5.
上海65m全可动天线结构变位疲劳作用分析
Rotational fatigue analysis on Shanghai 65 m fully steerable antenna structure
摘要
Abstract
In order to master the pitch rational fatigue performance of Shanghai 65m antenna structure, the pitching shift working pattern of the fully steerable antenna was firstly modeled and simulated, and the calculating method of the long shifting fatigue stresses was put forward and observational frequency was used to represent its fatigue life. Afterwards, typical fatigue stress piece was decomposed by real-time rain-flow counting algorithms based on simple sampling. Finally, according to the Miner linear accumulative damage criterion, adopting many stochastic simulations of the typical fatigue stress piece, the life with a guaranteeing probability of 99.9% was analyzed statistically. The results show that during the design reference period, the pitch rotational fatigue life of the antenna structure can meet the safety require- ment.关键词
天线结构/疲劳/实时雨流/简单抽样Key words
antenna structure/fatigue/real-time rain-flow/simple sampling分类
信息技术与安全科学引用本文复制引用
钱宏亮,刘岩,范峰..上海65m全可动天线结构变位疲劳作用分析[J].电波科学学报,2012,27(4):840-844,5.基金项目
国家自然科学基金资助项目 （）
中国博士后基金资助项目 （）
