大型可展开网状天线展开过程仿真建模与竖向索预拉力优化调控

张进华; 蒋金波; 朱佳龙; 何亚银; 洪军; 赵强强

doi:10.7652/xjtuxb202611019

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大型可展开网状天线展开过程仿真建模与竖向索预拉力优化调控

更新时间：2026-11-09

- 大型可展开网状天线展开过程仿真建模与竖向索预拉力优化调控
- Simulation Modeling of the Deployment Process and Pretension Optimization for Vertical Cables in Large Deployable Mesh Antennas
- 西安交通大学学报 2026年60卷第11期页码：213-223
- 作者机构：
  
  西安交通大学现代设计及转子轴承系统教育部重点实验室，710049，西安
  中国空间技术研究院西安分院，710000，西安
- 作者简介：
  
  张进华（1979—），男，教授，博士生导师；
  赵强强（通信作者），男，副教授。
- 基金信息：
  
  国家自然科学基金资助项目(U23B2095;52575596)
- DOI：10.7652/xjtuxb202611019
  中图分类号： V443.4
- 收稿：2026-02-02，
  
  网络首发：2026-04-27，
  
  纸质出版：2026-11-10
- 稿件说明：
移动端阅览
张进华, 蒋金波, 朱佳龙, 等. 大型可展开网状天线展开过程仿真建模与竖向索预拉力优化调控[J/OL]. 西安交通大学学报,2026,60 (11):213-223. https://doi.org/10.7652/xjtuxb202611019.

ZHANG Jinhua, JIANG Jinbo, ZHU Jialong, et al. Simulation Modeling of the Deployment Process and Pretension Optimization for Vertical Cables in Large Deployable Mesh Antennas[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (11):213-223. https://doi.org/10.7652/xjtuxb202611019.
张进华, 蒋金波, 朱佳龙, 等. 大型可展开网状天线展开过程仿真建模与竖向索预拉力优化调控[J/OL]. 西安交通大学学报,2026,60 (11):213-223. https://doi.org/10.7652/xjtuxb202611019. DOI：

ZHANG Jinhua, JIANG Jinbo, ZHU Jialong, et al. Simulation Modeling of the Deployment Process and Pretension Optimization for Vertical Cables in Large Deployable Mesh Antennas[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (11):213-223. https://doi.org/10.7652/xjtuxb202611019. DOI：

摘要

为解决传统形面调节方法难以兼顾天线多方面性能要求的问题，提出了一种面向多目标装配性能的预拉力优化方法。首先，基于拉格朗日方程构建了系统动力学模型，通过结构简化及力学等效建立了仿真简化模型，通过天线展开过程仿真及模态振频仿真揭示了竖向索预拉力对多目标装配性能的影响。然后，搭建了原理样机并进行展开实验，验证了仿真模型的可靠性，同时测试了样机的低阶模态与形面精度，对仿真模型进行了标定。接着，利用参数相关性仿真分析的样本建立了代理模型。最后，基于代理模型，在预设形面精度及样本范围约束条件下，以突变力矩峰值、形面精度及一阶固有频率为优化目标，优化索拉力配置。结果表明：多目标优化后天线形面精度达较基准提升16.5%，满足样机设计要求；突变力矩降低8.0%；一阶固有频率降低11.3%，有效避开共振带，实现了天线装配的形性一体化协同调控。

Abstract

To overcome the limitations of traditional surface adj ustment methods in simultaneously satisfying multiple antenna performance requirements

a pretension optimization method targeting multi-obj ective assembly performance is proposed for large deployable mesh antennas.First

a system dynamics model is constructed based on Lagrange equations

and a simplified simulation model is established through structural simplification and mechanical equivalence. Through antenna deployment and modal frequency simulations

the impact of vertical cable pretension on multi-obj ective assembly performance is revealed.Next

a physical prototype is manufactured

and deployment experiments are conducted to verify the reliability of the simulation model. Additionally

the low-order modes and surface accuracy of the prototype are measured to calibrate the model.A surrogate model is then established using sample data derived from parameter correlation simulations.Finally

based on the surrogate model

the cable tension configuration is optimized with peak transient torque

surface accuracy

and first-order natural frequency as optimization objectives

subject to the constraints of a preset surface accuracy threshold and parameter bounds.The results demonstrate that the multi-objective-optimized surface accuracy is improved by 16.5% compared to the baseline

satisfying the prototype design requirements. Furthermore

the peak transient torque during deployment is reduced by 8.0%

and the firstorder natural frequency decreases by 11.3%

effectively avoiding the resonance band. Ultimately

the synergistic regulation of the geometric and mechanical performance of the antenna assembly is achieved.

关键词

Keywords

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