绳控多模块固面天线展开动力学分析与优化

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摘要首先，针对一种扭簧驱动的双绳控固面天线，建立了基于欧拉－拉格朗日方程的天线展开动力学模型，研究了绳索张力对天线展开运动参数的影响。其次，对绳控天线反射面系统的完整展开过程进行动力学仿真，得到的仿真中的展开情况与数值计算结果相符，验证了理论模型的正确性。最后，为了使天线反射面充分展开，采用序列二次规划算法(Sequential Quadratic Programming)，分别在无绳和有绳控制系统中，对驱动扭簧进行优化设计，通过优化使得展开更为合理并减少了反射面的展开包络空间。研究表明，通过引入绳索系统能够提高天线展开过程的稳定性，有效降低了各铰链关节处的负载峰值。研究结果可为绳控固面天线的展开过程设计提供理论指导，并具有实际工程意义。

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	朴丽花1
	秦远田1
	张子昊1
	陈金宝1
	李波2

关键词 ：固面天线, 多体动力学, 可展开天线, 绳索机构, 优化设计

Abstract：Firstly, aiming at a torsion-spring driven double-cable controlled solid-surface antenna, the dynamic model based on the Euler-Lagrange equation was established. The influence of cable tension on deploying motion parameters was studied. Secondly, the complete deployment process of the cable-controlled reflective surface system was dynamically simulated. The simulation results was consistent with the numerical calculation results, which verified the correctness of the theoretical model. Lastly, in order to fully expand the reflective surface of the antenna system, the SQP algorithm was used to optimize the driving torsion spring in the cable-free and cable control systems. Optimization made the deployment more reasonable and reduced the unfolding envelope space. It was shown that the introduction of the cable system could improve the stability of the deployment process and effectively reduce the load peak at each hinge joint. The research results could provide theoretical guidance for the deploying process design of cable-controlled solid-surface antennas and have practical engineering significance.

Key words： solid surface antenna multi-body dynamics deployable antenna cable pulley mechanism optimization design

收稿日期: 2022-11-15 出版日期: 2023-10-15

引用本文:

朴丽花1，秦远田1，张子昊1，陈金宝1，李波2. 绳控多模块固面天线展开动力学分析与优化[J]. 振动与冲击, 2023, 42(19): 301-308.
PIAO Lihua1, QIN Yuantian1, ZHANG Zihao1, CHEN Jinbao1, LI Bo2. Dynamic analysis and optimization for deployment of cable-controlled multi-module solid surface antenna. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(19): 301-308.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2023/V42/I19/301

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