Research on fusion and deformation analysis of decade' HLS-II control network surveying data

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-05-01 DOI:10.1088/1748-0221/19/05/p05043

Enchen Wu, Wei Wang, Xiao Li, Zhubing Cheng, Panyun Gao, qiuyu zhang, Ting Ding, Jianglin Xu, Sicheng Zhang, Xiaolong Wang, Yiliang Lin, Xiaoye He

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引用次数: 0

Abstract

To ensure the long-term stability of the beam and further construction needs, it is necessary to re-measure the particle accelerator regularly. Since 2013, we have been measuring the HLS-II control network with laser trackers and the level for 10 years. Taking HLS-II as the object of study, we introduced the data acquisition strategy for the period of 2013–2023. We analyzed the horizontal and vertical deformation trends of each control point. In the vertical direction, we fused the geometric level and elevation data of the laser tracker network by using MC-GMM (a Gauss-Markov model which considers the uncertainty of Monte Carlo simulation). The analysis results show that, after the HLS upgrade, the annual average settlement of the ground control network tends to be stable. The settlement and horizontal variation of the device are all within a reasonable and controllable range. To ensure stability, accuracy, and efficiency in the measurement, we recommend employing the laser tracker for the re-measurement of the HLS-II storage ring. The data processing flow and methods mentioned in the article can provide a reference for deformation analysis of the upcoming construction of the Hefei Advanced Light Facility (HALF) and other large-scale metrology projects.

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十年 HLS-II 控制网测量数据的融合与变形分析研究

为确保光束的长期稳定性和进一步的建设需求，有必要定期重新测量粒子加速器。自 2013 年起，我们开始使用激光跟踪仪测量 HLS-II 控制网络和 10 年的水平。我们以 HLS-II 为研究对象，介绍了 2013-2023 年期间的数据采集策略。我们分析了每个控制点的水平和垂直变形趋势。在垂直方向上，我们利用 MC-GMM（一种考虑蒙特卡罗模拟不确定性的高斯-马尔科夫模型）融合了激光跟踪仪网络的几何水准面和高程数据。分析结果表明，HLS 升级后，地面控制网络的年平均沉降量趋于稳定。设备的沉降和水平变化都在合理可控的范围内。为确保测量的稳定性、准确性和高效性，我们建议采用激光跟踪仪对 HLS-II 储存环进行复测。文章中提到的数据处理流程和方法可以为即将建设的合肥先进光设施（HALF）和其他大型计量项目的变形分析提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.