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arXiv 0907.0363astro-ph.IM
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自适应二次原型上力致动器的标定

Calibration of force actuators on an adaptive secondary prototype

Davide Ricci, Armando Riccardi, Daniela Zanotti

摘要:

在大型双目望远镜项目的背景下,我们提出了一个自适应的二级原型P45,薄的变形玻璃与磁铁粘在它的背面进行力致动器校准的结果。电磁致动器,控制在一个闭环系统的内部计量的基础上电容传感器,连续变形的形状,以纠正波前的失真。由于驱动力和测量力之间的差异,需要对力致动器进行校准。我们描述的校准程序和结果,误差小于1.5%。

英文摘要:

In the context of the Large Binocular Telescope project, we present the results of force actuator calibrations performed on an adaptive secondary prototype called P45, a thin deformable glass with magnets glued onto its back. Electromagnetic actuators, controlled in a closed loop with a system of internal metrology based on capacitive sensors, continuously deform its shape to correct the distortions of the wavefront. Calibrations of the force actuators are needed because of the differences between driven forces and measured forces. We describe the calibration procedures and the results, obtained with errors of less than 1.5%.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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