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Analysis of requirements of actuator performance for 1.2m active primary mirror under gravity load
Junbo Zhang; Ping Yao; Xuejun Zhang; Yudong Zhang
Volume7654
Pages765412 (7 pp.)
2010
Language英语
Indexed ByEi ; ISTP
Subtype会议论文
AbstractBased on the analysis of a 1.2m-diameter active primary mirror system under gravity load, several performance parameters of actuator are reported in this paper. The actuator is demanded to satisfy the active optics correction, support the axial load of primary mirror, and compensate the deformation of axial supports. The quasi-Zernike polynomials are employed to fit the maximal allowed surface error of telescope to compute the force accuracy of actuator. Moreover, the axial load and deformation of primary mirror system is analyzed by using the finite element (FE) method. Through the above procedures, the performance parameters, such as force range, force accuracy, axial stroke and displacement resolution, are obtained.; Based on the analysis of a 1.2m-diameter active primary mirror system under gravity load, several performance parameters of actuator are reported in this paper. The actuator is demanded to satisfy the active optics correction, support the axial load of primary mirror, and compensate the deformation of axial supports. The quasi-Zernike polynomials are employed to fit the maximal allowed surface error of telescope to compute the force accuracy of actuator. Moreover, the axial load and deformation of primary mirror system is analyzed by using the finite element (FE) method. Through the above procedures, the performance parameters, such as force range, force accuracy, axial stroke and displacement resolution, are obtained.
Conference NameProceedings of the SPIE - The International Society for Optical Engineering
Conference Date2010
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7738
Collection自适应光学技术研究室(八室)
Corresponding AuthorJunbo Zhang
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Junbo Zhang,Ping Yao,Xuejun Zhang,et al. Analysis of requirements of actuator performance for 1.2m active primary mirror under gravity load[C],2010:765412 (7 pp.).
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