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1.南京航空航天大学 机电学院,江苏 南京 210016
2.宿迁学院 机电工程学院,江苏 宿迁 223800
[ "杨仁川(1999-),男,硕士研究生,主要研究包括视觉测量和组合式系统测量。E-mail: yangrenchuan@nuaa.edu.cn" ]
[ "崔海华(1979-),男,博士,教授,博士生导师,主要从事数字化三维视觉成像与精密测量等方面的研究。E-mail:cuihh@nuaa.edu.cn" ]
纸质出版日期:2024-09-10,
收稿日期:2024-05-22,
修回日期:2024-06-18,
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杨仁川,崔海华,赵西富等.面向组合光学跟踪测量的多位姿耦合中转标定[J].光学精密工程,2024,32(17):2686-2697.
YANG Renchuan,CUI Haihua,ZHAO Xifu,et al.Multi-pose coupled transformation calibration for combined tracking-based optical measurement[J].Optics and Precision Engineering,2024,32(17):2686-2697.
杨仁川,崔海华,赵西富等.面向组合光学跟踪测量的多位姿耦合中转标定[J].光学精密工程,2024,32(17):2686-2697. DOI: 10.37188/OPE.20243217.2686.
YANG Renchuan,CUI Haihua,ZHAO Xifu,et al.Multi-pose coupled transformation calibration for combined tracking-based optical measurement[J].Optics and Precision Engineering,2024,32(17):2686-2697. DOI: 10.37188/OPE.20243217.2686.
全局定位跟踪与终端测量组合的测量系统,是大尺寸工件整体测量的有效解决方案。然而,组合测量系统中,终端测量坐标系到定位靶标坐标系的中转变换是影响全局测量精度的关键因素。针对现有的公共特征点进行中转位姿标定的方法存在的站位制约问题,提出了一种多位姿耦合中转标定求解方法。该方法弱化了全局测量系统与特征点位置摆放要求,利用中转位姿与多个靶标位姿耦合的形式构建方程组进行求解,在此基础上进一步提出了一种多位姿多点耦合中转标定法,将多个局部特征点同时与位姿进行耦合求解,以提高中转位姿解的稳定性,并减少中转标定误差。最后,通过设计中转标定实验和组合测量精度验证实验。比较两种方法得出,多位姿多点耦合中转标定方法的位姿求解结果更加稳定,平均测量误差减少10.13%,验证了该方法的稳定性与有效性。
Combining global positioning tracking with terminal measurement effectively addresses the overall measurement of large workpieces. The key to accuracy in this system is the transformation from the terminal to the target coordinate system. This paper introduces existing common feature points to calibrate the transit pose and addresses their station position constraints. To overcome these challenges
we propose a new multi-position coupled transit calibration method that eases global measurement system and feature point positioning requirements by using transit pose coupling with multiple targets to form equations for solutions. A multi-position coupled multi-point transit calibration method is also introduced to enhance pose solution stability and reduce calibration errors by coupling local feature points with the pose solution. Experiments comparing the methods demonstrate that the proposed multi-position and multi-point coupling transfer calibration method enhances stability and reduces the average measurement error by 10.13%
confirming its effectiveness.
组合式测量中转位姿标定矩阵转换多位姿耦合
combined measurementtransfer pose calibrationmatrix conversionmulti-position coupling
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