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粒子加速器局部控制网形变分析

张旭东 陈文军 张小东 孙国珍 张斌 王少明 袁建东

张旭东, 陈文军, 张小东, 等. 粒子加速器局部控制网形变分析[J]. 强激光与粒子束, 2022, 34: 044001. doi: 10.11884/HPLPB202234.210260
引用本文: 张旭东, 陈文军, 张小东, 等. 粒子加速器局部控制网形变分析[J]. 强激光与粒子束, 2022, 34: 044001. doi: 10.11884/HPLPB202234.210260
Zhang Xudong, Chen Wenjun, Zhang Xiaodong, et al. Analysis on deformation of partial control network of particle accelerator[J]. High Power Laser and Particle Beams, 2022, 34: 044001. doi: 10.11884/HPLPB202234.210260
Citation: Zhang Xudong, Chen Wenjun, Zhang Xiaodong, et al. Analysis on deformation of partial control network of particle accelerator[J]. High Power Laser and Particle Beams, 2022, 34: 044001. doi: 10.11884/HPLPB202234.210260

粒子加速器局部控制网形变分析

doi: 10.11884/HPLPB202234.210260
详细信息
    作者简介:

    张旭东,xdzhang@impcas.ac.cn

  • 中图分类号: TL56

Analysis on deformation of partial control network of particle accelerator

  • 摘要: 基于泰勒展开的方法实现局部控制网的拟合,使用卡方检验判断局部控制网中是否存在形变点。若存在形变点,则在选权迭代的过程中找到局部控制网中所有的形变点,并将卡方检验通过作为迭代终止条件。对哈尔滨工业大学空间地面模拟装置2号终端控制网的两期观测成果进行了分析,实验表明,将卡方检验和选权迭代法加入控制网拟合之后,可以很好地探测出局部控制网中的形变点。在找出所有形变点之后,可以求得更为准确的局部控制网拟合参数。
  • 图  1  三维坐标系变换示意图

    Figure  1.  Schematic diagram of three-dimensional coordinate system transformation

    图  2  SESRI实验终端2控制网

    Figure  2.  SESRI Experimental Terminal 2 Control Network

    图  3  初次平差后各点残差和权

    Figure  3.  Residuals and weights of each point after the initial adjustment

    图  4  二次平差后各点残差与权

    Figure  4.  Residuals and weights of each point after the second adjustment

    表  1  模拟计算

    Table  1.   Simulation calculation

    calculationstranslation factor/mmrotation factor/(°)factornumber of iterations
    ΔXΔYΔZαβγk
    1 0 0 0 0 0 0 1 1
    0 0 0 0 0 0 1
    2 5 5 5 5 5 5 1.002 947
    5 5 5 5 4.999 999 5 1.002
    3 10 10 10 10 10 10 1.001 1005
    10 10 10 10 9.999 999 10 1.001
    4 20 20 20 20 20 20 0.999 1085
    20 20 20 20 20 20 0.999
    5 40 40 40 40 40 40 0.998 1521
    40 40 39.999 999 40 40 40 0.998
    6 60 60 60 60 60 60 0.997 1068
    60 60 60 59.999 999 60 60 0.997
    下载: 导出CSV

    表  2  SESRI实验终端2的两期观测值

    Table  2.   Two-phase observations of SESRI Experimental Terminal 2

    pointthe first phase (2021.4)the second phase (2021.6)
    X/mmY/mmZ/mmX/mmY/mmZ/mm
    L55 −5092.17 879.62 14895.65 6286.72 −15526.63 821.79
    L57 −2 261.04 879.28 17717.09 2815.70 −17509.32 822.15
    L59 −3120.62 879.22 21412.56 −520.04 −15701.26 822.40
    L60 −4107.95 −821.72 24779.41 −3505.58 −13857.21 −878.36
    L61 −4107.01 877.20 24777.54 −3503.76 −13858.44 820.70
    L62 −4074.18 −817.67 27037.53 −5692.02 −13291.53 −874.05
    L63 −4077.77 876.91 27033.99 −5687.46 −13288.83 820.64
    L64 −6897.19 −773.87 29870.60 −7676.14 −9818.57 −830.23
    L65 −6897.30 880.72 29867.91 −7673.23 −9819.01 824.42
    L67 −9746.56 894.02 32716.15 −9665.07 −6316.66 837.73
    L68 −13217.29 −822.38 31985.43 −8041.08 −3163.51 −879.28
    L69 −13215.11 879.59 31991.11 −8046.88 −3164.01 822.76
    L70 −16050.40 −820.92 29166.76 −4572.37 −1178.27 −878.59
    L71 −16047.74 874.53 29165.73 −4571.81 −1180.86 816.96
    L72 −18878.70 −809.52 26339.60 −1096.73 800.14 −867.90
    L73 −18879.30 879.65 26340.53 −1097.19 801.22 821.38
    L74 −21711.32 −841.15 23519.47 2373.33 2784.62 −900.23
    L75 −21710.28 846.76 23519.11 2373.62 2783.72 787.79
    L76 −23062.45 −815.86 20935.80 5222.75 3403.02 −875.45
    L77 −23061.11 882.09 20947.33 5211.70 3405.02 822.63
    L78 −22368.90 −818.96 19093.13 6816.01 2245.99 −878.70
    L79 −22309.74 883.25 19037.43 6854.43 2174.44 823.70
    L80 −19511.28 −781.72 16233.69 8816.34 −1267.34 −841.25
    L81 −19509.35 875.00 16238.17 8811.89 −1267.75 815.53
    L82 −16684.40 −808.82 13405.92 10794.26 −4742.76 −868.25
    L83 −16690.55 881.77 13407.80 10794.50 −4735.99 822.43
    下载: 导出CSV

    表  3  两种方法求得的拟合参数

    Table  3.   Fitting parameters obtained by two methods

    calculationtranslation factor/mmrotation factor/(°)factor
    ΔXΔYΔZαβγk
    SA −18 397.56 58.4 25 070.31 89.974 03 74.637 72 179.9675 0.999 926
    this article −18 397.55 58.40 25 070.31 89.9743 74.637 71 179.967 8 0.999 926
    difference 0.009 4 −0.001 5 0.000 3 0.00027 −0.000 01 0.000 234 −0.000 000 4
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-07-07
  • 修回日期:  2021-11-25
  • 录用日期:  2021-11-25
  • 网络出版日期:  2021-12-01
  • 刊出日期:  2022-03-19

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