The E-ELT is a project led by the European Southern Observatory (ESO) for a 40-m class
optical, near-and midinfrared, ground-based telescope. When it will enter into operation, the …

摘要拼接式望远镜由于主镜加工难度低, 运载方便和制造成本低等特点已成为未来大口径望远镜
的重要发展方向之一. 主动支撑技术的成功应用为拼接式望远镜共焦共相调节提供了充足的保障 …

摘要主动支撑系统能使大型光学望远镜的主镜具备面形控制及定位的能力, 单体镜面形主动控制
技术及拼接镜共相位成像技术因而得到了迅速发展. 回顾了近年来主动支撑系统及促动器在大型 …

针对拼接镜面望远镜主动光学控制技术的要求, 设计了一种改进型自抗扰控制器以改善位移促动
器系统的位置跟踪性能和提高抗扰动能力. 首先, 建立了拼接镜面位移促动器系统及扰动风载的 …

随着光学天文望远镜口径不断增大, 望远镜主镜多采用拼接镜面形式, 而微位移促动器作为镜面
拼接技术的关键部件, 始终是研究的热点之一. 以双螺旋滚珠丝杆代替传统机械式微位移促动器 …

During the advanced design phase of the European Extremely Large Telescope (E-ELT)
several critical components have been prototyped. During the last year some of them have …

The Segmented Mirror Telescopes (SMT) are built using small hexagonal mirror segments
placed side by side to form a monolithic primary mirror of very large size. The effective figure …

Upcoming large telescopes are based on Segmented Mirror Telescope (SMT) technology
which uses small hexagonal mirror segments placed side by side to form the large …

Segmented mirror telescopes (SMT) are built using several small hexagonal mirrors
positioned and aligned by the three actuators and six edge sensors per segment to maintain …

For large aperture remote sensor, it is a difficult task to ensure the ultrahigh pose accuracy of
mirrors. To solve the problem, this paper attempts to correct the pose misalignment induced …