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Development of multi-functional composite structures with embedded electronics for space application

机译：带有嵌入式电子器件的多功能复合结构的开发，用于空间应用

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摘要

Conventional spacecraft structural function has been limited to supporting loads and mounting avionics only. In contrast, the technology of 'multi-functional structures' can integrate thermal and electronic functions into the spacecraft's inherent load-bearing capability. In addition, sufficient radiation shielding effectiveness can be provided for the anticipated mission environment. Utilizing this concept, the ratio of electrical functionality to spacecraft volume can be dramatically increased and significant mass savings can be obtained. In this paper, spacecraft electronics are miniaturized using advanced IT applications such as flexible circuitry, miniaturized components, featherweight connectors, and so on, that they can be easily embedded within a structural panel. A sandwich structural panel consists of an aluminum honeycomb core and lightweight CFRP facesheets. Integration of electronics is implemented within the panel by mounting electronics on a multi-layered composite enclosure with multi-materials. This composite enclosure provides a load-bearing, effective thermal conduction, radiation shielding capabilities and an available space for embedding electronics. A series of environmental tests and analyses is carried out to demonstrate that the flight hardware is qualified for the expected mission environments. This approach will be utilized for the advanced small satellite 'STSAT-3' to validate the multi-functional structures concept.
机译：常规航天器的结构功能仅限于支持载荷和安装航空电子设备。相比之下，“多功能结构”技术可以将热和电子功能集成到航天器固有的承重能力中。此外，可以为预期的任务环境提供足够的辐射屏蔽效果。利用这一概念，可以大大提高电气功能与航天器体积的比率，并可以节省大量的重量。在本文中，使用先进的IT应用程序（例如柔性电路，微型化的组件，轻巧的连接器等）将航天器电子设备小型化，从而可以轻松地将其嵌入结构面板中。三明治结构面板由铝蜂窝芯和轻质CFRP面板组成。通过将电子元件安装在具有多种材料的多层复合外壳上，可以在面板内实现电子元件的集成。这种复合外壳提供了承重，有效的热传导，辐射屏蔽能力以及嵌入电子设备的可用空间。进行了一系列环境测试和分析，以证明飞行硬件符合预期的任务环境。这种方法将用于先进的小型卫星“ STSAT-3”，以验证多功能结构的概念。

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  • 来源
    《Acta astronautica》 |2011年第2期|p.240-252|共13页
  • 作者

    Tae Seong Jang; Dae Soo Oh; Jin Kyu Kim; Kyung In Kang; Won Ho Cha; Seung Woo Rhee;

  • 作者单位

    Satellite Technology Research Center, Korea Advanced Institute of Science and Technology, 335 Cwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    rnSatellite Technology Research Center, Korea Advanced Institute of Science and Technology, 335 Cwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    rnSatellite Technology Research Center, Korea Advanced Institute of Science and Technology, 335 Cwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    rnSatellite Technology Research Center, Korea Advanced Institute of Science and Technology, 335 Cwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    rnSatellite Technology Research Center, Korea Advanced Institute of Science and Technology, 335 Cwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    rnKorea Aerospace Research Institute, 115 Cwahangno, Yuseong-gu, Daejeon 305-333, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    multi-functional structures; lightweight composite structures; radiation shielding; passive thermal control; spacecraft;

    机译：多功能结构轻型复合结构;辐射屏蔽被动热控制;飞船;

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