计算机集成制造系统 ›› 2020, Vol. 26 ›› Issue (11): 3001-3010.DOI: 10.13196/j.cims.2020.11.010

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基于蒙特卡洛仿真的车间现场激光跟踪仪测量站位优化

朱绪胜,刘蕾,陈雪梅   

  1. 成都飞机工业(集团)有限责任公司
  • 出版日期:2020-11-30 发布日期:2020-11-30

Measurement station optimization for laser tracker in-situ using based on Monte-Carlo simulation

  • Online:2020-11-30 Published:2020-11-30

摘要: 为解决激光跟踪仪在车间现场测量站位优化的问题,以提高激光跟踪仪现场布置的合理性,减小测量不确定度,提出基于蒙特卡洛仿真的车间现场激光跟踪仪测量站位优化方法。综合考虑测量系统误差和温度误差的影响,建立了更加可靠的非均匀温度场下的激光跟踪仪测量模型。在此基础上,利用蒙特卡洛仿真分析方法建立了包含离散点和形位误差两类测量任务的测量任务不确定度评价模型。建立了以测量任务综合测量不确定度最小为优化目标的激光跟踪仪站位优化数学模型,并通过CATIA二次开发实现了以上数学模型及计算流程。以某飞机检验工装测量过程中的激光跟踪仪站位优化计算为例,验证了所提方法的有效性和合理性。

关键词: 激光跟踪仪, 测量站位, 优化, 蒙特卡洛仿真, 不均匀温度场

Abstract: To optimize laser tracker configuration station and improve measurement accuracy,the measurement station optimization for laser tracker in-situ based on Monte-Carlo simulation was proposed.The mathematic model of laser tracker in non-uniform temperature field was established by considering the impact of the systematic error and temperature-induced error.On this basis,the measurement task uncertainty evaluation model could be obtained through Monte-Carlo simulation.Taking the minimum measurement uncertainty as the optimization objective,the laser tracker measurement station could be computed by software and was developed by Computer Aided Tri-Dimensional Interface Application (CATIA).An example of measurement scenario on measuring the inspection jig of an aircraft door demonstrated that the proposed method was feasible and effective.

Key words: laser tracker, measurement station, optimization, Monte-Carlo simulation, non-uniform temperature field

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