高定位精度转台检测系统调整误差补偿

发布时间：2018-06-25 13:11

本文选题：工程测量技术 + 定位精度　；参考：《吉林大学学报(工学版)》2017年03期

【摘要】：某用于实验室激光通信实验的转台要求具有±1.5″的定位精度,为了对该高定位精度转台实施检测,搭建了由24面棱体、定心装置、0.2″二维光电自准直仪和支架组成的高精度测角系统,对该测角系统进行了准直误差理论分析。结果表明:多面棱体偏心对定位精度的测量结果影响很小,一般可以忽略,但自准直仪的调整误差对高定位精度的测量影响很大。为了消除该系统误差,在理论分析的基础上,提出了一种基于角度标定的调整误差补偿的方法并进行了实验验证。通过精细调整减小调整误差方法测得转台定位精度σ为0.936″,而采用新补偿调整误差方法测得定位精度σ″为0.922″,σ″相对σ的相对误差为-1.496%,且满足转台定位精度要求。实验结果证明了本文方法的快速性和可靠性。
[Abstract]:A turntable used in laboratory laser communication experiment requires 卤1.5 "positioning accuracy. In order to detect the high positioning precision turntable, a 24 plane prism is built. A high precision angle measuring system composed of a 2-D photoelectric autocollimator and a support is presented in this paper. The collimation error of the system is theoretically analyzed. The results show that the eccentricity of polyhedral prisms has little effect on the measurement results and can be neglected, but the adjustment error of the autocollimator has a great influence on the measurement of high positioning accuracy. In order to eliminate the system error, based on the theoretical analysis, an adjustment error compensation method based on angle calibration is proposed and verified by experiments. The precision 蟽 of the turntable is 0.936 "by the method of fine adjustment to reduce the adjustment error, and the positioning accuracy 蟽 is 0.922" by using the new compensation adjustment error method, and the relative error of 蟽 "relative 蟽 is -1.496, which meets the requirements of the positioning accuracy of the turntable." The experimental results show that the proposed method is fast and reliable.
【作者单位】：中国科学院长春光学精密机械与物理研究所;中国科学院大学;
【基金】：“863”国家高技术研究发展计划项目(2011AA12A103) 中国地质调查局工作项目(1212011120227)
【分类号】：TN929.1

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