Design and Dynamics of Large-scale Solar Arrays with Inflatable Mast

被引：0
|
作者：
Wei J. [1 ]
Zhang P. [1 ]
Ma R. [1 ]
Chen X. [1 ]
Tan H. [1 ]
机构：
[1] National Key Laboratory of Science and Technology for Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2020年 / 56卷 / 05期
关键词：
Deployable mast; Flexible; Inflatable; Large-scale; Solar arrays;
D O I：
10.3901/JME.2020.05.093
中图分类号：
学科分类号：
摘要：
A structural design method of large-scale solar array deployed was presented by an inflatable mast, which has the characteristics of thermal curable composite inflatable hinges to achieve efficient folding, and to improve structural stiffness after deployment. The principle prototype is developed, and the ground deployment test is carried out to verify the performance of deployment of the inflatable mast. The structural design of deployable mast is characterized by the combination of foldable inflatable tubes and carbon fiber beams, which can reduce thermal power consumption and improve structural stiffness. Considering the web design of deployable mast and the influence of rigidizable material on the dynamic characteristics of large-scale structures, the finite element model of the semi-structure of solar array is established, and the modal of the structure is solved by Block Lanczos method. The vibration response of structure under different excitation positions is calculated and analyzed. The results show that the large-scale solar array deployed by inflatable mast can change the characteristics of large-scale structure from flexible large rotation deployment to high stiffness structure by thermal curing method, and the structure has the effect of vibration suppression. These structure responses are affected by excitation amplitude and load, and the dynamic performance of the structure is significantly changed. © 2020 Journal of Mechanical Engineering.
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页码：93 / 99
页数：6
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