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首页> 外文会议>Advances in Adaptive Optics II pt.3 >Selecting the electromagnetic actuator of the ELT primary mirror
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Selecting the electromagnetic actuator of the ELT primary mirror

机译：选择ELT主镜的电磁致动器

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摘要

The segmented, adaptive primary mirror of the ELT is the most delicate optical component of the telescope. Its full-adaptive operational modes require an high bandwidth actuation system, able to provide large and precise stroke motions. As the core component of the actuation system hardware, the electromagnetic device has to be accurately designed. This paper depicts the preliminary electromagnetic study of the actuator. After a discussion of the chosen concept, the design process and the computational approach are illustrated. The goal of the study is the definition of the basic geometrical and physical parameters which allow the minimization of the power dissipated to deliver the proper actuation force, in order to reduce the local overheating in the telescope optical path.
机译：ELT的分段式自适应主镜是望远镜中最精密的光学组件。其全自适应操作模式需要高带宽的致动系统，该系统能够提供大而精确的行程运动。作为致动系统硬件的核心组件，必须精确设计电磁设备。本文描述了执行器的初步电磁研究。在讨论所选概念之后，说明了设计过程和计算方法。研究的目的是定义基本的几何和物理参数，这些参数允许将耗散功率最小化以传递适当的驱动力，从而减少望远镜光路中的局部过热。

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