ICF靶准直器位姿并联调整机构静力分析
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摘要
惯性约束核聚变是一种人工可控的核聚变方法,其研究是当代自然科学研究的一个重大前沿课题,也是解决人类能源危机的重要途径。ICF靶准直器将实验靶定位在直径为数米的真空靶室中心,通过靶的位姿调整来使其保持在一个最优位置,因此靶准直器的位姿调整机构也将直接影响到打靶实验的精度。本文首先介绍了ICF靶准直器位姿调整机构的研究背景及意义,说明了ICF靶准直器及其调整机构的研究现状,并对实验室现有的ICF靶准直器做了简要介绍;接下来采用牛顿-欧拉法对设计的并联调整机构进行静力学分析;最后使用ANSYS Workbench对并联调整机构进行静态稳定性分析,确定变形引起的末端偏移量符合设计要求。
Inertial confinement fusion( ICF) is a controllable method of nuclear fusion. Its research is an important frontier topic in contemporary natural science and an important way to solve the human energy crisis. The ICF target collimator locates the experimental target in the center of the vacuum target chamber with a diameter of several meters,and keeps it in an optimal position by adjusting the position and posture of the target. Therefore,the position and posture adjustment mechanism of the target collimator will directly affect the accuracy of the target experiment. Firstly,this paper introduces the research background and significance of the position and posture adjustment mechanism of ICF target collimator,explains the current research status of ICF target collimator and its adjustment mechanism,and briefly introduces the existing ICF target collimator in the laboratory; secondly,the Newton-Euler method is used to analyze the static performance of the designed parallel adjusting mechanism; Finally,ANSYS Workbench is used to analyze the static stability of parallel adjusting mechanism to determine whether the end error caused by deformation meets the design requirements.
Inertial confinement fusion( ICF) is a controllable method of nuclear fusion. Its research is an important frontier topic in contemporary natural science and an important way to solve the human energy crisis. The ICF target collimator locates the experimental target in the center of the vacuum target chamber with a diameter of several meters,and keeps it in an optimal position by adjusting the position and posture of the target. Therefore,the position and posture adjustment mechanism of the target collimator will directly affect the accuracy of the target experiment. Firstly,this paper introduces the research background and significance of the position and posture adjustment mechanism of ICF target collimator,explains the current research status of ICF target collimator and its adjustment mechanism,and briefly introduces the existing ICF target collimator in the laboratory; secondly,the Newton-Euler method is used to analyze the static performance of the designed parallel adjusting mechanism; Finally,ANSYS Workbench is used to analyze the static stability of parallel adjusting mechanism to determine whether the end error caused by deformation meets the design requirements.
引文
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[2]任磊,赵东峰,朱健强.高功率激光驱动器靶定位瞄准单元技术研究进展[J].激光与光电子学进展,2014,51(8):1~11.
[3]Laurent Hilsz,Jean-Christophe Benoit,Florence Poutriquet et al.Redesign of the image processing techniques used for thealignment of the LMJ beams transportation section.Proceedings of SPIE the International Society for Optical Engineering.2010.
[4]孙立宁,刘彦武,曲东升,等.ICF靶支撑定位机器人系统研究[J].强激光与粒子束,2007,19(8):001303~1307.
[5]阮丽江,李永德.五自由度模拟靶定位工件台[J].光电工程,1999(3):58~63.
[6]周忆,吴存学,廖强,等.实现二维精密调整的双偏心机构理论及试验[J].重庆大学学报:自然科学版,2005,28(2):8~11.
[7]宋薇,章亚男,沈林勇.高功率激光装置中靶的定位调试[J].光学精密工程,2015,23(2):520~527.
[8]周洋,邵平,赵东峰,等.神光Ⅱ升级装置纳秒靶瞄准定位技术研究[J].中国激光,2014,41(12):163~169.
[9]孙立宁,李长峰,曲东升,等.ICF精密并联机器人系统的研制[C].中国控制会议.2007.
[10]邓昱,陈修龙,孙先洋,等.4-UPS-RPS并联机器人机构及其静力学分析[J].北京工业大学学报,2013,39(10):1464~1467.
[11]艾青林,黄伟锋,张洪涛,等.并联机器人刚度与静力学研究现状与进展[J].力学进展,2012,42(5):583~592.
[12]付红栓,赵恒华,杨辉.3-TPT型并联机床静力学及刚度研究[J].组合机床与自动化加工技术,2013(1):42~44.