空间柔性卷绕式太阳电池阵减振防护技术

doi:10.7527/S1000-6893.2025.32192

Abstract

Abstract:

To address the structural safety of flexible roll-out solar array in the vibration environment during the launch phase， an innovative vibration reduction and protection method based on winding preload and polyimide foam is proposed. This solution effectively improves the vibration resistance of the battery array without the need for additional complex structures， simply by adjusting the winding preload and introducing a polyimide foam vibration damping layer. This study first established a refined finite element simulation model of a flexible wound solar array， and then evaluated the effects of different vibration frequencies， amplitudes and preload forces on the structural safety of the array. Finally， vibration experiments on a small engineering prototype verified the vibration damping effect of the scheme in practical applications. The results show that the design can significantly reduce the strain response of the CIC cell， and the vibration damping efficiency reaches more than 60%. The high consistency of the simulation and experimental results indicates that the vibration damping scheme has strong engineering feasibility and practical application potential.

Key words: flexible roll-out solar array, winding preload, vibration reduction and protection, polyimide foam, strain response

CLC Number:

V414.1

Shougen ZHAO, Hongxin GAO, Jialin ZHU, Yibo LI, Zhen ZHANG, Letian YANG. Vibration reduction and protection method of flexible roll-out solar array[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(2): 232192.

Figures/Tables 35

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Table 1

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Table 2

Parameters of Ogden foam constitutive model for polyimide foam

Ogden foam本构模型参数	数值
$μ 1 / M P a$	1.13×10^-3
$α 1$	23.27
$β 1$	3.5×10^-2
$μ 2 / M P a$	3.129×10^-4
$α 2$	2.95×10^-4
$β 2$	3.5×10^-2

Table 2

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Table 3

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Table 4

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References 20

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材料参数	数值
E₁/GPa	17.5
E₂/GPa	17.5
G₁₂/GPa	0.56
G₂₃/GPa	1.12
μ₁₂	0.22
ρ/（g·cm^-3）	0.098

材料参数	数值
E₁/GPa	92.08
E₂/GPa	79.17
G₁₂/GPa	44.17
G₂₃/GPa	5.187
μ₁₂	0.25
μ₂₃	0.30
ρ/（kg·cm^-3）	3704

条件参数	参数设置
试验频率/Hz	5~500
振动量级/g	4
试验方向	z
扫描速率/（oct·min^-1）	2

Vibration reduction and protection method of flexible roll-out solar array

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References 20

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