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<p>In the space industry, reducing the weight of spacecrafts and equipment loaded on satellites has consistently been in high demand as this lowers launch costs and increases the available payload capacity. In this study, an optimum structural design was developed to reduce the weight of a net shooter for active debris removal missions. The net shooter developed in prior work was summarized, and numerical verification was performed through structural analysis. Topology optimization of the net shooter using the Solid Isotropic Material with Penalization method was performed. As a result, the weight reduction ratio from optimized net shooter design was approximately 48% compared to the baseline model. Finally, the structural integrity of optimized model was validated.</p>

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Topology Optimization-Based Lightweight Structural Design of a Spring-Driven Net Ejection Mechanism for ADR Applications

  • 期刊论文

  • 发表日期：

    2026年1月21日

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  • Sejun Kim,
  • Haeseong Cho

摘要

In the space industry, reducing the weight of spacecrafts and equipment loaded on satellites has consistently been in high demand as this lowers launch costs and increases the available payload capacity. In this study, an optimum structural design was developed to reduce the weight of a net shooter for active debris removal missions. The net shooter developed in prior work was summarized, and numerical verification was performed through structural analysis. Topology optimization of the net shooter using the Solid Isotropic Material with Penalization method was performed. As a result, the weight reduction ratio from optimized net shooter design was approximately 48% compared to the baseline model. Finally, the structural integrity of optimized model was validated.