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	Error analysis and distribution of the driving mechanism for large spherical radio telescope active reflector
	Huang Peng ; Tang Xiaoqiang ; Wang Liping ; Yao Rui
	2010-05-10 ; 2010-05-10
关键词	Theoretical or Mathematical/ error analysis radiotelescopes/ error analysis driving mechanism spherical radio telescope active reflector 3-PRS mechanism maximum parasitic motion error/ A9555J Radiotelescopes B6360 Radioastronomical techniques and equipment B0290B Error analysis in numerical methods
中文摘要	In order to reduce the cost, 3-PRS mechanism is introduced into the application of supporting the active reflector unit of large radio telescope. The kinematic model of 3-PRS mechanism with rotational joint errors is derived to solve the error problem in actual engineering application. Then based on the error model, inverse and forward kinematics are analyzed. Because the solutions can not be analytically expressed, a numerical method is applied. Afterwards, the parasitic motion errors are analyzed using search method and empirical formulas of the maximum parasitic motion error are put forward. Finally, the tolerance is distributed using empirical formulas to avoid interference between adjacent reflector units. The analyses provide a theoretical basis for the design and installation of large radio telescope active reflector.
语种	英语 ; 英语
出版者	Editorial Department of High Technology Letters ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24901]
专题	清华大学
推荐引用方式 GB/T 7714	Huang Peng,Tang Xiaoqiang,Wang Liping,et al. Error analysis and distribution of the driving mechanism for large spherical radio telescope active reflector[J],2010, 2010.
APA	Huang Peng,Tang Xiaoqiang,Wang Liping,&Yao Rui.(2010).Error analysis and distribution of the driving mechanism for large spherical radio telescope active reflector..
MLA	Huang Peng,et al."Error analysis and distribution of the driving mechanism for large spherical radio telescope active reflector".(2010).

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