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用于在不确定性条件下的空间主动光学单形可变形镜的形状控制
Kainan Wang1, Yian Yu1, André Preumont2
1School of Remote Sensing and Information Engineering, Hubei Luojia Laboratory, Wuhan University, Wuhan 430072, China.
Micromachines
|September 28, 2023
概括
环境因素改变了空间光学中无形形变形镜的变形能力. 这项研究分析了对镜形状和控制策略的热,机械和结构影响.
科学领域:
- 太空光学的空间光学.
- 材料科学是一种材料科学.
- 控制系统工程 控制系统工程
背景情况:
- 单形可变形镜对于太空应用中的活性光学至关重要.
- 环境因素,如热和机械条件,可以显著影响镜子的性能.
- 了解这些影响对于可靠的基于太空的光学系统至关重要.
研究的目的:
- 研究环境因素对无形形态可变形镜的变形能力的影响.
- 分析热和机械条件如何影响铁电应变的作用.
- 评估初始形状和应力诱导的刚度对镜子刚度和控制的影响.
主要方法:
- 环境干扰的分析,包括热和机械负荷.
- 在不同的条件下评估铁电行为.
- 预先配置的形状和应力诱导的几何刚性的研究.
- 扰乱形状和雅可比矩阵变化的研究.
- 在近静态范围内测试开放循环和代控制策略.
主要成果:
- 环境因素导致镜像变形能力的变化.
- 热和机械条件改变铁电行为和结构刚性.
- 扰乱形状和雅可比矩阵的变化被量化.
- 确定了由于环境影响而导致的控制方法不确定性.
结论:
- 环境因素对太空中可变形镜控制存在重大不确定性.
- 该研究提供了关于在运行压力下镜子性能退化的见解.
- 结果为太空主动光学设计强大的控制策略提供了信息.
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