Survey and Alignment of Synchrotron Ring for Wuwei Heavy Ion Medical Machine
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摘要: 武威医用重离子加速器是目前世界上最紧凑的重离子加速器治癌装置，同步环周长小至56.1 m，其中很多关键元件的安装定位精度要求达到亚毫米量级，四极透镜的定位精度要求0.1 mm。结合激光跟踪仪的特点和测量学知识通过三维控制网及多重坐标系的转换，探索了一种在元件自身坐标系下调节准直的方法，提高了准直安装的工作效率，使得最后所有的元件安装各向误差均控制在0.1 mm以内，其结果优于该装置的精度要求，使得同步环在短时间内顺利调束成功，从而验证了同步环准直测量的可靠性与准确性。
Wuwei Heavy ion medical machine (HIMM) is the most compact accelerator facility for heavy ion therapy in the world,which has a circumference about 56.1 m.The alignment accuracy of many components of the machine should be submillimeter level.For example,the positioning accuracy of quadrupoles should be within 0.1 mm according to design target.With the combination of laser tracker and surveying knowledge,we develop a method that adjusts and collimates elements under the elements themselves coordinates via three-dimensional control network and the transformation of multiple coordinates to improve the efficiency of installation alignment.By this way,the deviation of each direction from all elements is under 0.1 mm and the result is better than the design target,which leads to the successful commission of Wuwei HIMM.Consequently,the feasibility of this method developed is verified.Abstract: Wuwei Heavy ion medical machine (HIMM) is the most compact accelerator facility for heavy ion therapy in the world,which has a circumference about 56.1 m.The alignment accuracy of many components of the machine should be submillimeter level.For example,the positioning accuracy of quadrupoles should be within 0.1 mm according to design target.With the combination of laser tracker and surveying knowledge,we develop a method that adjusts and collimates elements under the elements themselves coordinates via three-dimensional control network and the transformation of multiple coordinates to improve the efficiency of installation alignment.By this way,the deviation of each direction from all elements is under 0.1 mm and the result is better than the design target,which leads to the successful commission of Wuwei HIMM.Consequently,the feasibility of this method developed is verified.-
Key words:
- heavy ion therapy /
- synchrotron ring /
- three dimensional control network /
- laser tracker
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[1] CHEN Wenjun,MA Lizhen,CAI Guozhu,et al.High Power Laser And Particle Beams,2015,27(8):33.(in Chinese)(陈文军,马力祯,蔡国柱,等,强激光与离子束,2015,27(8):33.) [2] Yu Chenghao.Study on application of three dimensional alignment measurement technology in Shanghai light source[D].Shanghai:Shanghai Institute of Applied Physics,Chinese Academy of Sciences,2008:50.(in Chinese)(于成浩.三维准直测量技术在上海光源中的应用研究[D].上海:中国科学院上海应用物理所,2008:50) [3] CHEN Wenjun,MAN Kaidi,WANG Shaoming.Nuclear Techniques,2010,33(1):65.(in Chinese)(陈文军,满开第,王少明.核技术,2010,33(1):65.) [4] WANG S J,MAN K D,GUO Y Z,et al.High Power Laser And Particle Beams,2002,14(4):637.(in Chinese)(汪守金,满开第,郭艺珍,等.强激光与离子束,2002,14(4):637.) [5] CAI Guozhu,MAN Kaidi,CHEN Wenjun.Science of Surveying and Mapping,2013,38(4):162.(in Chinese)(蔡国柱,满开第,陈文军.测绘科学,2013,38(4):162.) [6] CAI Guozhu,MAN Kaidi,CHEN Wenjun,et al.High Power Laser And Particle Beams,2014,26(1):275.(in Chinese)(蔡国柱,满开第,陈文军,等.强激光与离子束,2014,26(1):275.) [7] KE Ming.Precise alignment study of SR experimental facility.Shanghai:Shanghai Institute of Applied Physics,Chinese Academy of Sciences,2006.(in Chinese)(柯明.同步辐射实验装置精密准直技术研究[D].上海:中国科学院上海应用物理研究所,2006.) [8] CAI Guozhu.Collimation and installation of advanced large ion accelerator[D].Lanzhou:Institute of Modern Physics,Chinese Academy of Sciences,2014:35.(in Chinese)(蔡国柱.大型离子加速器先进准直安装方法研究[D].兰州:中国科学院近代物理研究所,2014:35) [9] ZHANG Zhenglu,WU Dongcai,YANG Ren.Precise Engineering Survey[M].Beijing:Surveying and Mapping Press,1992.(in Chinese)(张正禄,吴栋材,杨仁.精密工程测量[M].北京:测绘出版社,1992.) -
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