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Integrated modeling analysis of a novel hexapod and its application in active surface
Dehua Yang; Lorenzo Zago; Hui Li; Gregory Lambert; Guohua Zhou; Guoping Li
2011-11-10
会议录名称Integrated Modeling of Complex Optomechanical Systems
卷号8336
期号8336
页码Vol.8336 0L-1-13
会议日期2011-8-17
会议地点Kiruna, Sweden
会议主办者The International Society for Optical Engineering
出版者SPIE
摘要
This paper presents the concept and integrated modeling analysis of a novel mechanism, a 3-CPS/RPPS (Cylindrical- Prismatic-Spherical/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.
关键词Integrated Modeling Hexapod Kinematics Finite Element Method Telescope Panel Support Active Surface
学科领域天文技术与方法
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/624
专题会议论文
推荐引用方式
GB/T 7714
Dehua Yang,Lorenzo Zago,Hui Li,et al. Integrated modeling analysis of a novel hexapod and its application in active surface[C]:SPIE,2011:Vol.8336 0L-1-13.
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