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Surface Design Method Incorporating Compression Members for Cable-Mesh Reflectors

机译：包含网眼反射镜压缩构件的表面设计方法

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摘要

The tension truss antenna structure is an effective architecture for large and high-precision parabolic reflectors. Here a parabolic surface is approximated by planar triangular facets formed using cables. However, as the surface area increases or the required accuracy increases, the stiffness of the support structure must also increase to prevent its deformation under the increasing strain energy in the cables. This paper proposes a new conceptual cable network for forming parabolic surfaces with low strain energy. Instead of cables, compression members are installed at the rim of the surface so that the strain energy of the cable network is reduced. In this concept, a weight reduction of approximately 25% is possible for the support structure. This design is compared with a conventional cable network, and it is shown that the proposed design is useful in constructing higher-accuracy surface antennas and larger antenna reflectors with lower weight.
机译：张力桁架天线结构是用于大型和高精度抛物面反射器的有效架构。在此，抛物线表面近似为使用电缆形成的平面三角形小平面。但是，随着表面积的增加或所需精度的增加，支撑结构的刚度也必须增加，以防止其在电缆中应变能增加的情况下变形。本文提出了一种新的概念性电缆网络，用于形成低应变能的抛物面。代替电缆，压缩构件安装在表面的边缘，从而减小了电缆网络的应变能。在这个概念中，支撑结构的重量可以减轻约25％。将该设计与常规电缆网络进行了比较，结果表明，所提出的设计可用于构建精度更高的表面天线和重量更轻的大型天线反射器。

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  • 来源
    《Journal of Spacecraft and Rockets》 |2018年第1期|214-222|共9页
  • 作者

    Miyasaka Akihiro; Takano Yuichiro; Yasui Noriyasu; Nakagawa Takumi;

  • 作者单位

    Tokyo City Univ, Dept Mech Syst Engn, Setagaya Ku, 1-28-1 Tamatsutsumi, Tokyo 1588557, Japan;

    Tokyo City Univ, Dept Mech Syst Engn, Setagaya Ku, 1-28-1 Tamatsutsumi, Tokyo 1588557, Japan;

    Tokyo City Univ, Dept Mech Syst Engn, Setagaya Ku, 1-28-1 Tamatsutsumi, Tokyo 1588557, Japan;

    Tokyo City Univ, Dept Mech Syst Engn, Setagaya Ku, 1-28-1 Tamatsutsumi, Tokyo 1588557, Japan;

  • 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
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