Analysis and Simulation of Hydrothrust System of Composite TBM

doi:10.3973/j.issn.1672-741X.2012.z2.007

Tunnel Construction ›› 2012, Vol. 32 ›› Issue (增刊2): 37-40.DOI: 10.3973/j.issn.1672-741X.2012.z2.007

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Analysis and Simulation of Hydrothrust System of Composite TBM

WANG Long

(China Railway Tunneling Equipment Co., Ltd., Zhengzhou 450003, China)

Received:2012-06-19 Revised:2012-08-20 Online:2012-12-20 Published:2013-02-19

Abstract

Abstract:

The hydrothrust system design of composite TBM is critical for its excavation speed and efficiency. Especially for the TBM tunneling in heterogeneous ground, if the thrust system is stable, no sudden load impact will be imposed on cutterhead, cutters and main bearing by thrust force and the TBM will have a longer service life and lower excavation cost. In this paper, the control measures for the hydrothrust system of composite TBM are analyzed in depth, and MATLAB/CTRLLAB simulation is carried out via PID parameters optimization. The simulation not only improved the design optimization speed of hydrothrust system, but also provided precise data base for the stability analysis of hydrothrust system in composite TBM. 

Key words: composite TBM, PID, MATLAB/CTRLLAB

WANG Long. Analysis and Simulation of Hydrothrust System of Composite TBM[J]. Tunnel Construction, 2012, 32(增刊2): 37-40.

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Analysis and Simulation of Hydrothrust System of Composite TBM

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