Vibration mitigation experiment on the Chinese Large Solar Telescope based on the linear quadratic Gaussian control

Vibration mitigation experiment on the Chinese Large Solar Telescope based on the linear quadratic Gaussian control
复制标题

基于线性二次高斯控制的中国大型太阳望远镜减振实验

DOI:
10.1016/j.ijleo.2021.166333
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发表时间:
2021-03
期刊:
影响因子:
3.1
通讯作者:
Changhui Rao
Changhui Rao
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Youming Guo;Jiaying Wang;Ling Kong;Kele Chen;Naiting Gu;Xuejun Rao;Changhui Rao

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热控系统引起的振动严重影响了中国大型太阳望远镜(CLST)的运行。在CLST太阳能自适应光学系统(SAO)上测试了线性二次高斯(LQG)控制器以减轻这些振动。采用基于粒子群优化(PSO)算法的自动识别方法计算LQG控制器的参数,并在CLST上进行验证。实验结果表明,在X轴和Y轴上振动显著减少,说明LQG控制器与传统的比例积分(PI)控制器相比具有优越的性能。
Vibrations caused by thermal control system severely affect the Chinese Large Solar Telescope (CLST). The linear quadratic Gaussian (LQG) controller has been tested on the solar adaptive optics (SAO) system equipped in the CLST to mitigate these vibrations. An automatic identification method based on the particle swarm optimization (PSO) algorithm is used to compute the parameters of the LQG controller and verified on the CLST. Experimental results are presented in this paper, which show a significant reduction in vibrations in both X and Y axes, illustrating the superior performance of the LQG controller compared to the conventional proportional-integral (PI) controller.
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