| Stewart平台对大型射电望远镜反作用力的研究 |
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| 引用本文： | 仇原鹰,彭勃,等.Stewart平台对大型射电望远镜反作用力的研究[J].机械科学与技术(西安),2001,20(3):415-416,420. |
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| 作者姓名： | 仇原鹰 彭勃 |
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| 作者单位： | [1]西安电子科技大学机电工程学院，西安710071 [2]中国科学院北京天文台，北京100012 |
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| 基金项目： | 国家自然科学基金 (5 9675 0 40 )，中科院国家天文观测中心大射电望远镜实验室经费资助 |
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| 摘 要： | Stewart平台作为馈源位置和姿态精调系统被安装在大型射电望远镜的悬挂馈源舱中。本文推导了计算馈源舱中的 Stewart平台对舱体反作用力的公式 ,分析了馈源舱体姿态 ,Stewart平台的质量、调整速度与反作用力间的关系。研究结果为设计馈源舱与 Stewart平台的质量比 ,消除平台对舱体的动力影响打下了基础
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| 关 键 词： | 大型射电望远镜 Stewart平台 反作用力 |
| 文章编号： | 1003-8728(2001)03-0415-02 |
Research on the Resultant Actions of the Stewart Platform of a Large Radio Telescope |
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| QIU Yuan-ying ,DUAN Bao-yan,WEI Qiang,PENG Bo,NAN Re n-dong.Research on the Resultant Actions of the Stewart Platform of a Large Radio Telescope[J].Mechanical Science and Technology,2001,20(3):415-416,420. |
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| Authors: | QIU Yuan-ying DUAN Bao-yan WEI Qiang PENG Bo NAN Re n-dong |
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| Affiliation: | QIU Yuan-ying 1,DUAN Bao-yan,WEI Qiang,PENG Bo,NAN Re n-dong |
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| Abstract: | A Stewart platform is assembled in the suspended feed cabin of the large radio telescope as a precise adjusting system for the position and orientation of the feed. The formulae are deduced to calculate the resultant actions of the Stewart platform to the feed cabin. Furthermore the ef fects of the orientation of the cabin, the adjusting velocity and the mass of th e Stewart platform to the resultant actions are analyzed. The research serves as a foundation for designing the mass ratio between the feed cabin and the Stewa rt platform to eliminate the dynamic effect of the Stewart platform on the feed cabin. |
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| Keywords: | Large radio telescope Stewart platform Resulta nt actions |
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