A review on application of laser tracker in precision positioning metrology of particle accelerators

RK Sahu - Precision Engineering, 2021 - Elsevier
The discoveries made in the twentieth-century include attempts to understand the origin of
the universe, constituents of matter, enigmas of biological reactions, etc. could be possible …

[HTML][HTML] 粒子加速器中激光跟踪仪控制网测量精度研究

王铜, 周维虎, 董岚, 梁静, 马娜, 何振强… - 武汉大学学报(信息 …, 2024 - ch.whu.edu.cn
粒子加速器的高精度准直要求对测量技术提出很大挑战, 由于激光跟踪仪具有大尺寸,
高精度及三维空间测量的优势, 因此需要开展激光跟踪仪对粒子加速器的测量精度研究. 首先 …

Variation of structured laser beam pattern and optimization for an alignment reference line creation

W Niewiem, K Polak, M Dusek, D Mergelkuhl… - Optics …, 2023 - opg.optica.org
The alignment of particle accelerators demands a dedicated measurement system based on
a straight-line reference. This straight line can be provided by a laser beam. The alignment …

A laser tracker-based multilateration method for pre-alignment of High Energy Photon Source storage ring

S Lu, J Liang, L Men, L Dong, T Wang, B Fan… - Nuclear Instruments and …, 2023 - Elsevier
High-precision pre-alignment of the magnet components is an important step in the
construction and operation of the High Energy Photon Source (HEPS). In order to achieve …

Uncertainty assessment of a prototype of multilateration coordinate measurement system

J Guillory, D Truong, JP Wallerand - Precision Engineering, 2020 - Elsevier
Abstract Large Volume Metrology is essential to many high value industries to go towards
the factory of the future, but also to many science facilities for fine alignment of large …

附有高程约束的三维平差方法研究

王小龙, 康玲, 董岚, 李波, 门玲鸰, 罗涛, 王铜… - 强激光与粒子束, 2022 - hplpb.com.cn
当前加速器准直主要采用激光跟踪仪进行三维空间位置测量, 三维测量数据用三维平差方法计算
从理论上讲更为严密, 但在实践中却发现存在误差累积现象, 其中在高程方向的误差累积十分 …

Fixing positions and orientations of laser trackers during bundle adjustment in multi-station measurements

Z Wang, T Luo, W Wang, Q Huang… - … Science and Technology, 2020 - iopscience.iop.org
The accumulated errors in multi-station measurements make it challenging to meet higher
precision requirements for annular or straight tunnel measurements in the accelerator …

An SI-traceable multilateration coordinate measurement system with half the uncertainty of a laser tracker

J Guillory, D Truong, JP Wallerand… - Measurement …, 2023 - iopscience.iop.org
We have validated the performance of a prototype coordinate measurement system based
on multilateration by comparing it to a laser tracker, ie a well-proven instrument widely used …

Absolute multilateration-based coordinate measurement system using retroreflecting glass spheres

J Guillory, D Truong, JP Wallerand, C Alexandre - Precision Engineering, 2022 - Elsevier
We have measured the three-dimensional coordinates of retroreflecting glass spheres using
a multilateration technique. To this end, the distances between each target and our …

Research on the optimization methods of common points layout for survey and alignment of particle accelerators

T Ding, X He, W Wang, X Wang, Q Zhang, J Xu… - Nuclear Instruments and …, 2024 - Elsevier
As a fourth-generation synchrotron light source based on a diffraction-limited storage ring,
Hefei Advanced Light Facility (HALF) puts forward higher requirements for the alignment …