Design and analysis of a truss deployable antenna mechanism based on a 3UU-3URU unit

被引：15
|
作者：
Xu, Yundou [1 ,2 ]
Guo, Jinwei [1 ]
Guo, Luyao [1 ]
Liu, Wenlan [3 ]
Yao, Jiantao [1 ,2 ]
Zhao, Yongsheng [1 ,2 ]
机构：
[1] Yanshan Univ, Parallel Robot & Mechatron Syst Lab Hebei Prov, Qinhuangdao 066004, Hebei, Peoples R China
[2] Yanshan Univ, Key Lab Adv Forging & Stamping Technol & Sci, Minist Natl Educ, Qinhuangdao 066004, Hebei, Peoples R China
[3] Lanzhou Univ Technol, Coll Energy & Power Engn, Lanzhou 730050, Gansu, Peoples R China
来源：
CHINESE JOURNAL OF AERONAUTICS | 2019年 / 32卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Basic combination unit; Degree of freedom (DOF); Deployable truss antenna; Simulation analysis; Structural design; KINEMATIC SYNTHESIS; MOBILITY;
D O I：
10.1016/j.cja.2018.12.008
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Space deployable structures with large calibers, high accuracy, and large folding ratios are indispensable equipment in the aerospace field. Given that the single-DOF 3RR-3RRR deployable unit cannot be fully folded, this study proposes a 3UU-3URU deployable unit with two kinds of DOF: folding movement and orientation adjustment. First, based on the G-K formula, the DOF of the 3UU-3URU unit is analyzed. Then, the 3UU-3URU unit is used to construct a deployable truss antenna with a curved surface, and the DOF of the whole deployable antenna containing multiple 3UU-3URU units is calculated. The structural design of a deployable antenna with two loops is carried out with specific parameters and geometric relations. Next, a DOF simulation of a basic combination unit composed of three 3UU-3URU units is performed. Finally, a prototype of the basic combination unit is manufactured, and the DOF of the mechanism is experimentally verified. (C) 2019 Chinese Society of Aeronautics and Astronautics. Production and hosting by Elsevier Ltd.
引用
收藏
页码：2743 / 2754
页数：12
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