隧道测量中盾构机姿态的MATLAB自动化计算方法

Applying MATLAB into the Automatic Calculation Method of Shield Machine Attitude

通过应用Matlab编程,本文实现了只有三个公共点的大角度七参数坐标转换模型中转换参数的求解及平差,并结合实际案例验证了转换结果的正确性,评定了转换结果的精度;其次研究了适用于Matlab编程的两类设计轴线的放样方法,同时实现了设计轴线的自动化放样;最后通过将盾构机首/尾坐标与设计轴线对比,实现了盾构机姿态的自动化计算.

In this paper,the calculation and adjustment of the seven parameters of the seven-parameter-transformaion model is realized by applying Matlab to program. The accuracy of the results is verified by using the actual cases,and the precision of the conversion results is evaluated. In addition,methods for two kinds of curve lofting are analysed,and the automatic lofting of design curves is achieved. Finally,the automatic calculation of shield machine attitude is realized by comparing the shield nose / tail coordinates with the design curves.