NAOC Open IR
柔索牵引并联机构的静刚度分析
李辉; 朱文白
2010
Source Publication机械工程学报
ISSN0577-6686
Volume000Issue:003Pages:8
Abstract对柔索牵引并联机构的静刚度进行分析,推导静刚度的一般理论计算公式。结果表明,柔索牵引并联机构的静刚度矩阵可分解为两项:k1是动平台位姿变化产生的静刚度,与索张力相关;k2是索的位形变化产生的静刚度。柔索牵引的完全约束定位机构(Completely restrained positioning mechanism,CRPM)或过约束定位机构(Redundantly restrained positioning mechanism,RRPM),其静刚度主要取决于k2,仅与索的弹性性能和索力作用的雅可比矩阵相关,而与索张力的大小无关。对于柔索牵引的欠约束定位机构(Incompletely restrained positioning mechanism,IRPM),由于柔索悬链线的影响,其静刚度不仅与索的弹性性能和雅可比矩阵相关,而且与索张力的大小有关。通过一平面3自由度RRPM的算例和代表IRPM的500m口径球面射电望远镜馈源悬索支撑系统的静刚度比较分析,证明了关于静刚度理论计算模型的有效性。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/44669
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李辉,朱文白. 柔索牵引并联机构的静刚度分析[J]. 机械工程学报,2010,000(003):8.
APA 李辉,&朱文白.(2010).柔索牵引并联机构的静刚度分析.机械工程学报,000(003),8.
MLA 李辉,et al."柔索牵引并联机构的静刚度分析".机械工程学报 000.003(2010):8.
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