形状记忆索网结构模型建立及实验研究

doi:10.3969/j.issn.1004-132X.2023.18.005

中国机械工程 ›› 2023, Vol. 34 ›› Issue (18): 2186-2193.DOI: 10.3969/j.issn.1004-132X.2023.18.005

形状记忆索网结构模型建立及实验研究

潘逢群1;蒋翔俊1;杜敬利1;刘佳1;范叶森2

1.西安电子科技大学电子装备结构设计教育部重点实验室，西安，710071
2.中国空间技术研究院西安分院，西安，710100

出版日期:2023-09-25 发布日期:2023-10-19
通讯作者: 蒋翔俊（通信作者），男，1979年生，副教授。研究方向为大型天线结构优化、形状记忆合金、弹热制冷。E-mail:xjjiang@xidian.edu.cn。
作者简介:潘逢群，女，1980年生，博士研究生。研究方向为大型可展开天线结构优化、形状记忆合金。E-mail:fqpan@stu.xidian.edu.cn。
基金资助:
国家自然科学基金（51775406）；陕西省自然科学基金（2023-JC-ZD-29，2022JQ-561）；芜湖西电产学研合作专项（XWYCXY-012021017-HT）

Modeling and Experimental Study of Shape Memory Cable Net Structures

PAN Fengqun1;JIANG Xiangjun1;DU Jingli1;LIU Jia1;FAN Yesen2

1.Key Laboratory of Electronic Equipment Structural Design,Ministry of Education,Xidian University,Xi'an，710071
2.China Academy of Space Technology(Xi'an),Xi'an，710100

Online:2023-09-25 Published:2023-10-19

摘要/Abstract

摘要： 针对星载索网结构天线在轨运行时由于空间环境导致的型面精度降低的问题，提出形状记忆索网结构。将形状记忆合金丝与索网结构进行集成，构成形状记忆索网结构。利用形状记忆合金丝的相变特性对索网结构反射面进行调整，以改善其在轨性能。利用2.2 m索网结构模型开展了常温实验和高低温实验。实验结果表明，常温环境下，形状记忆合金丝对索网结构型面精度的调节能力比较稳定；高低温环境中，与普通索网相比，形状记忆索网结构型面精度较高，形状记忆合金丝对索网结构反射面具有一定的调节作用。

关键词: 形状记忆索网结构, 热变形, 反射面调节, 常温实验, 高低温实验

Abstract: In order to solve the problems of reduced surface accuracy caused by space environment during the operation of spaceborne cable net antenna in orbit, a shape memory cable net structure was proposed. The shape memory alloy wires were integrated with the cable net structure to form a shape memory cable net structure. The reflector of the cable mesh structure was adjusted by using the phase transformation characteristics of shape memory alloy to improve the in orbit performance. Experiments were carried out using a 2.2 m cable net structure model under normal temperature and high and low temperature. The experimental results show that the shape memory alloy wires have a relatively stable ability to adjust the surface accuracy of the cable net structures at room temperature. In high and low temperature environments, compared with ordinary cable net, shape memory cable net structure has higher surface accuracy. Shape memory alloy wires have a certain adjustment effect on the reflector of cable net structures.

Key words: shape memory cable net structure, thermal deformation, reflector adjustment, normal temperature experiment, high and low temperature experiment

中图分类号:

V443

潘逢群, 蒋翔俊, 杜敬利, 刘佳, 范叶森. 形状记忆索网结构模型建立及实验研究[J]. 中国机械工程, 2023, 34(18): 2186-2193.

PAN Fengqun, JIANG Xiangjun, DU Jingli, LIU Jia, FAN Yesen. Modeling and Experimental Study of Shape Memory Cable Net Structures[J]. China Mechanical Engineering, 2023, 34(18): 2186-2193.

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形状记忆索网结构模型建立及实验研究

Modeling and Experimental Study of Shape Memory Cable Net Structures

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