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Topology optimization of support structure of multiwaveband imaging system

机译:多波段成像系统支撑结构的拓扑优化

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摘要

It is shown by a prototype experiment that the deformation of a support structure leads to relative deflection of the optical axes of a multiwaveband imaging system and then inconsistency of the fields of view of the subsystems. To solve this issue, a topology optimization method with the objective of minimizing the deflection angles of the optical axes is proposed. The method consists of the establishment of a deflection angle equation, the construction of an objective function, and the achievement of optimization using commercial software. Then, a new optimization structure is extracted from the topology optimization model. The comparative analysis between the original structure and the optimization structure shows that the deflection angles of the optical axes after topology optimization decrease greatly, which proves the effectiveness of the proposed method.
机译:通过原型实验表明,支撑结构的变形会导致多波段成像系统的光轴发生相对偏斜,进而导致子系统的视场不一致。为了解决这个问题,提出了一种拓扑优化方法,其目的是使光轴的偏转角最小。该方法包括建立偏转角方程,构造目标函数以及使用商业软件进行优化。然后,从拓扑优化模型中提取新的优化结构。原始结构与优化结构的对比分析表明,拓扑优化后的光轴偏转角大大减小,证明了该方法的有效性。

著录项

  • 来源
    《Optical engineering》 |2015年第11期|322-322|共1页
  • 作者单位

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

    Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Department of Photoelectric Technology, No. 3888,Dongnanhu Road, Changchun 130033, China;

  • 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

    multiwaveband; support structure; relative shift of fields of view; deflection of the optical axes; topology optimization;

    机译:多波段支撑结构;视场的相对位移;光轴偏斜;拓扑优化;

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