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Integrated modeling analysis of a novel hexapod and its application in active surface

机译：新型六足动物的综合建模分析及其在活性表面中的应用

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摘要

This paper presents the concept and integrated modeling analysis of a novel mechanism, a 3-CPS/RPPS (Cylindrical-Prismatic-SphericaJ/Rotational-Prismatic-Prismatic-Spherical) hexapod, proposed for supporting segmented reflectors for radio telescopes and eventually segmented mirrors of optical telescopes. The concept comprises a novel type of hexapod with an original organization of actuators hence degrees of freedom, based on a swaying arm based design concept. Afterwards, with specially designed connecting joints between panels/segments, an iso-static master-slave active surface concept can be achieved for any triangular and/or hexagonal panel/segment pattern. The integrated modeling comprises all the multifold sizing and performance aspects which must be evaluated concurrently in order to optimize and validate the design and the configuration. In particular, comprehensive investigation of kinematic behavior, dynamic analysis, wave-front error and sensitivity analysis are carried out, where, frequently used tools like MATLAB/SimMechanics, CALFEM and ANSYS are used. Some experimental verifications already performed validating single aspects of the integrated concept are also presented with the results obtained.
机译：本文介绍了一种新型机制3-CPS / RPPS（圆柱-球面-球面/旋转-球面-球面-球面）六脚架的概念和综合建模分析，提出了这种结构以支持射电望远镜的分段反射器以及最终的分段镜光学望远镜。该概念包括一种新型的六脚架，其具有基于致动器的原始组织，因此具有基于摆臂的设计概念的自由度。之后，通过在面板/段之间进行特殊设计的连接接头，可以为任何三角形和/或六角形的面板/段图案实现等静压主-从工作面概念。集成建模包括所有多重大小和性能方面，必须同时对其进行评估，以优化和验证设计和配置。特别是，对运动行为，动力学分析，波前误差和灵敏度分析进行了全面研究，其中使用了经常使用的工具，例如MATLAB / SimMechanics，CALFEM和ANSYS。还提供了一些实验验证，这些实验验证了集成概念的各个方面，并获得了结果。

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  • 来源
    《Integrated modeling of complex optomechanical systems》|2011年|p.83360L.1-83360L.13|共13页
  • 会议地点 Kiruna(SE)
  • 作者

    Dehua Yang; Lorenzo Zago; Hui Li; Gregory Lambert; Guohua Zhou; Guoping Li;

  • 作者单位

    National Astronomical Observatories /Nanjing Institute of Astronomical Optics Technology,Chinese Academy of Sciences, Nanjing 210042, China,Key Laboratory of Astronomical Optics Technology, Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing 210042, China;

    Haute Ecole d'Ingenierie et Gestion du Canton de Vaud, University of Applied Sciences of Western Switzerland, 1401 Yverdon-les-Bains, Switzerland;

    National Astronomical Observatories /Nanjing Institute of Astronomical Optics Technology,Chinese Academy of Sciences, Nanjing 210042, China,Key Laboratory of Astronomical Optics Technology, Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing 210042, China,Graduate University of Chinese Academy of Science, Beijing 100049, China;

    Haute Ecole d'Ingenierie et Gestion du Canton de Vaud, University of Applied Sciences of Western Switzerland, 1401 Yverdon-les-Bains, Switzerland;

    National Astronomical Observatories /Nanjing Institute of Astronomical Optics Technology,Chinese Academy of Sciences, Nanjing 210042, China,Key Laboratory of Astronomical Optics Technology, Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing 210042, China;

    National Astronomical Observatories /Nanjing Institute of Astronomical Optics Technology,Chinese Academy of Sciences, Nanjing 210042, China,Key Laboratory of Astronomical Optics Technology, Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing 210042, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光学仪器;
  • 关键词

    integrated modeling; hexapod; kinematics; finite element method; telescope; panel support; active surface;

    机译：集成建模；六足动物运动学有限元法望远镜;面板支持；活动表面;

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