The principle of laser navigation system of the tunnel boring machine
Dong Wei-dong · Engineering of Surveying and Mapping · 2005
Based on the sample of single-circle TBM made in Germany VMT Co.,the components of TBM and the Laser Navigation System are described,and the principles of the Automatic Laser Navigation System,especially in terms of Surveying Science,are discussed.Finally,the measures to improve the surveying precision of the Navigation System are summarized.