Frontiers of Mechanical Engineering >

2011 , Vol. 6 >Issue 3: 369 - 376

DOI: https://doi.org/10.1007/s11465-011-0223-1

RESEARCH ARTICLE

Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling machine

  • Hu SHI ,
  • Guofang GONG ,
  • Huayong YANG
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  • State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China

Received date: 28 Jan 2011

Accepted date: 12 Jun 2011

Published date: 05 Sep 2011

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

Focusing on a segment erector of a shield-tunneling machine developed with 6 degrees of freedom (DOF) and controlled by electro-hydraulic proportional systems, the kinematics of the segment erection process is presented. The perturbation method in the error analysis is introduced to establish the position and attitude error model, considering a number of factors such as the hydraulic drive, control accuracy, and tolerance in manufacturing and assembly. Dynamic simulations are carried out to obtain the controlling precision of electrohydraulic drive systems. Formulas for calculating the position and attitude error of the grip hand of the segment erector are derived. The calculation results verify the practicality and effectiveness of the error analysis, providing a foundation for practical designing, manufacturing, and assembling of the segment of the erecting mechanism.

Key words： shield tunneling machine; segment erector; kinematics; position and attitude precision

Cite this article

Hu SHI , Guofang GONG , Huayong YANG . Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling machine[J]. Frontiers of Mechanical Engineering, 2011 , 6(3) : 369 -376 . DOI: 10.1007/s11465-011-0223-1

Acknowledgments

This work was supported by the National Basic Research Program (973 Program) of China (Grant No. 2007CB714004) and the National High-tech Research and Development Program (863 Program) of China (Grant No. 2007AA041806).

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