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Study on Correction Capability of Active Mirror

机译:主动镜校正能力的研究

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摘要

Using an actuator array to thrust load onto the back of a mirror can control the profile of the mirror or correct its residual irregularity. It is meaningful to study how to improve the control or correction capability of active mirror for practice. The closest profile of a mirror to a given Zernike element profile can be obtained through linear combination of the influence functions. The algorithm of evaluating an active mirror's capability of correction is presented. Static analysis via Finite Element Method (FEM) is studied at various conditions with different amount and distribution of actuators, as well as the fixing manner, and the optimum scheme of actuator array is yielded.
机译:使用致动器阵列将负载推到反光镜的背面可以控制反光镜的轮廓或纠正其残留的不规则性。研究如何提高主动反射镜的控制或校正能力对实践意义重大。镜子与给定的Zernike元素轮廓最接近的轮廓可以通过影响函数的线性组合获得。提出了一种评估主动镜校正能力的算法。通过有限元方法(FEM),在不同条件下对致动器的数量和分布以及固定方式进行了静态分析,得出了致动器阵列的最佳方案。

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