Multi-Objective Assembly Performance Oriented Optimization of Vertical Cable Pretension in Large Deployable Mesh Antenna

ZHANG Jinhua; JIANG Jinbo; ZHU Jialong; He Yayin; HONG Jun; ZHAO Qiangqiang

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Multi-Objective Assembly Performance Oriented Optimization of Vertical Cable Pretension in Large Deployable Mesh Antenna

更新时间：2026-04-24

- Multi-Objective Assembly Performance Oriented Optimization of Vertical Cable Pretension in Large Deployable Mesh Antenna
- JOURNAL OF XI’AN JIAOTONG UNIVERSITY (2026)
- 作者机构：
  
  1.西安交通大学机械工程学院现代设计及转子轴承系统教育部重点实验室，710049，西安
  2.中国空间技术研究院西安分院，710000，西安
- 作者简介：
- 基金信息：
- DOI：
  CLC： V443.4
- Received：02 February 2026，
  
  Revised：2026-04-16，
  
  Accepted：24 April 2026，
- 稿件说明：
移动端阅览
ZHANG Jinhua, JIANG Jinbo, ZHU Jialong, et al. Multi-Objective Assembly Performance Oriented Optimization of Vertical Cable Pretension in Large Deployable Mesh Antenna[J/OL]. JOURNAL OF XI’AN JIAOTONG UNIVERSITY, 2026.
DOI：

ZHANG Jinhua, JIANG Jinbo, ZHU Jialong, et al. Multi-Objective Assembly Performance Oriented Optimization of Vertical Cable Pretension in Large Deployable Mesh Antenna[J/OL]. JOURNAL OF XI’AN JIAOTONG UNIVERSITY, 2026. 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，本文提出了一种面向多目标装配性能的预拉力优化方法。研究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。研究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。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。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；展开突变力矩峰值降低8%；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 solve the problem that traditional surface adjustment methods struggle to balance multiple antenna performance requirements

a pretension optimization method for multi-objective assembly performance is proposed. Based on Lagrange equations

a system dynamic model is constructed

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

the impact of vertical cable pretension on multi-objective assembly performance is revealed. A principle prototype was built and deployment experiments were conducted to verify the reliability of the simulation model. Low-order modes and surface accuracy were tested to calibrate the simulation model. A surrogate model is established using samples from parameter correlation simulation analysis. Finally

based on the surrogate model

cable tension configuration is optimized with peak abrupt torque

surface accuracy

and first-order natural frequency as optimization objectives

under constraints of preset surface accuracy and sample range. After optimization

antenna surface accuracy is improved by 16.5% compared to the baseline

meeting prototype design requirements. Peak deployment abrupt torque is reduced by 8%

and first-order natural frequency is decreased by 11.3%

effectively avoiding the resonance band. Thereby

the integrated collaborative regulation of shape and properties in antenna assembly is achieved.

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Keywords

references

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