摘要
以某无人直升机复杂结构为研究对象,分别建立主框架、起落架、尾管、尾撑和垂平尾等组件的有限元模型;通过试验,修正各部件的有限元模型,运用MPC技术构建了全机复杂结构的动力学分析模型,最后进行了试验验证.
The structure of an unmanned helicopter has been studied,which is complicated and hard to be modeling.The modeling strategies,which divide whole helicopter into main frame,landing gear,tail boom pipe,tail boom tube,and empennage,and perform the study of finite modeling,dynamic test,test-analysis correlation,and model improvement techniques respectively,is employed.On base of that,the improved component models are installed together into whole dynamic model by modeling the intersections among the components.
出处
《机械与电子》
2011年第5期3-5,共3页
Machinery & Electronics
基金
国家自然科学基金资助项目(10772079)
江苏省自然科学基金资助项目(BK2006724)
关键词
无人直升机
动力学
有限元建模
模型修正
unmanned helicopter
vibration analysis
FEA modeling
model improvement
