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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
Source PublicationIntegrated Modeling of Complex Optomechanical Systems
Volume8336
Issue8336
PagesVol.8336 0L-1-13
Conference Date2011-8-17
Conference PlaceKiruna, Sweden
Funding OrganizationThe International Society for Optical Engineering
PublisherSPIE
Abstract
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.
KeywordIntegrated Modeling Hexapod Kinematics Finite Element Method Telescope Panel Support Active Surface
Subject Area天文技术与方法
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/624
Collection中国科学院南京天文光学技术研究所_会议论文
望远镜新技术研究室_会议论文
Recommended Citation
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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