井下等边直伸形方向附合导线优化方法及平差通用模型研究
发布时间：2019-01-23 14:42
【摘要】：为了解决井下控制测量中陀螺仪定向边位置优化以及方向附合导线平差问题,综合运用理论研究和模拟分析方法,开展了井下等边直伸形方向附合导线优化方法及平差通用模型研究,主要获得如下结论:(1)基于拉格朗日乘数法讨论了等距离加测陀螺定向边为井下最优方向附合导线形式的理论依据,并进一步分析了不同贯通类型、不同定向精度时陀螺定向边加测的规律;(2)基于条件平差推导了井下任意条陀螺仪定向边导线平差模型,并利用模拟的方向附合导线算例验证了模型的正确性。研究成果对井下方向附合导线优化和数据处理具有重要参考价值。
[Abstract]:In order to solve the problem of orientation position optimization of gyroscope and adjustment of directional attached traverse in downhole control survey, the theoretical research and simulation analysis method are used synthetically. The optimization method and the general adjustment model of the conjunctive traverse along the isobaric straight extension direction are studied in this paper. The main conclusions are as follows: (1) based on the Lagrange multiplier method, the theoretical basis of the optimal direction attached traverse form of the gyro directional edge is discussed, and the different types of penetration are further analyzed. The law of gyroscope directional edge measurement with different orientation accuracy; (2) based on conditional adjustment, the adjustment model of directional traverse for any gyroscope is derived, and the correctness of the model is verified by an example of direction-attached traverse. The research results have important reference value for optimization and data processing of downhole directional attached conductors.
【作者单位】： 安徽理工大学测绘学院;
【基金】：国家自然基金项目(编号:41602357、41474026) 安徽省博士后基金项目(编号:2014B019) 安徽高校自然科学研究项目(编号:KJ2016A190) 安徽理工大学2017年研究生创新基金项目(编号:2017CX2057)
【分类号】：TD172
本文编号：2413908
[Abstract]:In order to solve the problem of orientation position optimization of gyroscope and adjustment of directional attached traverse in downhole control survey, the theoretical research and simulation analysis method are used synthetically. The optimization method and the general adjustment model of the conjunctive traverse along the isobaric straight extension direction are studied in this paper. The main conclusions are as follows: (1) based on the Lagrange multiplier method, the theoretical basis of the optimal direction attached traverse form of the gyro directional edge is discussed, and the different types of penetration are further analyzed. The law of gyroscope directional edge measurement with different orientation accuracy; (2) based on conditional adjustment, the adjustment model of directional traverse for any gyroscope is derived, and the correctness of the model is verified by an example of direction-attached traverse. The research results have important reference value for optimization and data processing of downhole directional attached conductors.
【作者单位】： 安徽理工大学测绘学院;
【基金】：国家自然基金项目(编号:41602357、41474026) 安徽省博士后基金项目(编号:2014B019) 安徽高校自然科学研究项目(编号:KJ2016A190) 安徽理工大学2017年研究生创新基金项目(编号:2017CX2057)
【分类号】：TD172
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