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Development of a pilot of an Arecibo-type large spherical radio telescope for the square kilometre array
Su, YX; Duan, BY; Nan, RD; Peng, B
2001
Source PublicationPROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
Volume215Issue:11Pages:1321-1329
AbstractAn optomechatronics design project for the pilot of an Arecibo-type large spherical radio telescope for the square kilometre array (SKA) is proposed, concentrating on the feed-supporting system with large-span cables. The feed-supporting system consists of two parallel manipulators: the parallel cable manipulator, which provides a large workspace for the trajectory tracking and realizes the coarse tracking control, and the fine-tuning Stewart platform, which connects the parallel cable manipulator to the cabin structure and implements the high-accuracy requirement of tracking. In order to improve the real-time controllability, an approximate kinematics model of the parallel cable manipulator is developed using straight links to approximate the cables based on static equilibrium at low tracking velocity. A control strategy for the feed-supporting system is proposed using the independent control method, and the corresponding tracking accuracy of the coarse control and fine tuning is presented. The simulation results have supported the rationale of this approximate model of the parallel cable manipulator and the feasibility of this mechatronics design project for the SKA.
KeywordMechatronics Square Kilometre Array Robotics Feed-supporting System Parallel Manipulator Kinematics Accuracy Analysis Static Equilibrium
Indexed BySCI
Language英语
WOS IDWOS:000173320500004
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8606
Collection射电天文研究部
Affiliation1.Xidian Univ, Sch Mech & Elect Engn, Xian 710071, Peoples R China
2.Chinese Acad Sci, Beijing Astron Observ, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Su, YX,Duan, BY,Nan, RD,et al. Development of a pilot of an Arecibo-type large spherical radio telescope for the square kilometre array[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE,2001,215(11):1321-1329.
APA Su, YX,Duan, BY,Nan, RD,&Peng, B.(2001).Development of a pilot of an Arecibo-type large spherical radio telescope for the square kilometre array.PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE,215(11),1321-1329.
MLA Su, YX,et al."Development of a pilot of an Arecibo-type large spherical radio telescope for the square kilometre array".PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 215.11(2001):1321-1329.
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