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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (2): 257-262    DOI: 10.3785/j.issn.1008-973X.2012.02.012
土木工程     
新型陆基充气球天线力学分析与测试
关富玲, 钱利锋
浙江大学 空间结构研究中心,浙江 杭州 310058
Structural analysis and test of an inflatable ground antenna
GUAN Fu-ling, QIAN Li-feng
Space Research Center, Zhejiang University, Hangzhou 310058, China
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摘要：

为了实现适用于应急通讯的天线系统,研究一种新型充气球天线结构.充气天线包括充气球,抛物反射面,固定索和馈源,通过调节上下球体气压差形成抛物反射面,天线系统能够在较短时间内展开成工作状态.通过自编程序设计一个1.35 m口径的抛物面天线,并进行静、动力学分析,研制相应的原理样机,研究气压差对反射面变形的影响以及在气压差一定的情况下气压对结构动力性能的影响.基于PhotoModeler Pro.5测量软件对充气展开后的形面精度进行测试,实验证明能够达到理想的精度,采用非接触视频测量方法测量结构一阶振动频率,结果表明,理论与实验结果吻合的比较好,可以为充气天线的设计制作提供指导.
Abstract:

In order to realize the antenna system for emergency communication, a kind of advanced aperture inflatable deployable antenna was researched. The antenna composes of inflatable balloon, parabolic reflector, fixed cables and feed source. The parabolic reflector is formed by adjusting the air pressure difference between the upper hemisphere and the down one. The antenna can be inflated and adjusted to the work configuration in several minutes. A 1.35 m caliber parabolic reflector was designed by corresponding programs. The static and dynamic behaviors of this structure were investigated. The influence of inflatable pressure to the reflector distortion and the dynamic performance were analyzed. Surface precision was measured by PhotoModeler Pro.5 and the results show that the structure has an ideal precision. Also, noncontact synchronous vision measuring method was used to test the basic frequency of this structure; the test results match the analysis very well. All the work can provide guidance to the design of inflatable antennas.
出版日期: 2012-03-20
:  TU 33  
作者简介: 关富玲（1945—），女，教授，博导，从事空间结构研究. E-mail：ciegfl@zju.edu.cn
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引用本文:

关富玲, 钱利锋. 新型陆基充气球天线力学分析与测试[J]. J4, 2012, 46(2): 257-262.

GUAN Fu-ling, QIAN Li-feng. Structural analysis and test of an inflatable ground antenna. J4, 2012, 46(2): 257-262.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.02.012    或    http://www.zjujournals.com/eng/CN/Y2012/V46/I2/257

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