Adaptive optics systems are an essential technology for the modern astronomy for ground-based telescopes. One of the most recent revolution in the field is the introduction of the pyramid wavefront sensor. The higher performance of this device is paid with increased complexity in the control. In this work, we report about advances in the adaptive optics (AO) system control obtained with SOUL at the Large Binocular Telescope. The first is an improved Tip/Tilt temporal control able to recover the nominal correction even in presence of high temporal frequency resonances. The second one is a modal gain optimization that has been successfully tested on sky for the first time. Pyramid wavefront sensors are the key technology for the first light AO systems of all Extremely Large Telescopes and the reported advances can be relevant contributions for such systems.

中文翻译：

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金字塔单共轭自适应光学系统的控制进展

自适应光学系统是地面望远镜现代天文学的一项基本技术。该领域的最新革命之一是金字塔波前传感器的引入。该设备的更高性能是随着控制复杂性的增加而付出的。在这项工作中，我们报告了在大型双筒望远镜上使用 SOUL 获得的自适应光学 (AO) 系统控制的进展。第一个是改进的 Tip/Tilt 时间控制，即使在存在高时间频率共振的情况下也能够恢复标称校正。第二个是模态增益优化，首次在天空测试成功。