Design of Tail Sealing System Software of EPB Shield based on S7-400H

doi:10.3973/j.issn.1672-741X.2013.02.014

Tunnel Construction ›› 2013, Vol. 33 ›› Issue (2): 165-168.DOI: 10.3973/j.issn.1672-741X.2013.02.014

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Design of Tail Sealing System Software of EPB Shield based on S7-400H

ZHANG Hepei^1,2, CHEN Kui^1,2, LI Fengyuan^1,2, WANG Zhufeng^1,2, WANG Jiping^3

(1. State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China; 2. China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China; 3. Zijin College of Nanjing University of Science & Technology, Nanjing 210046, Jiangsu, China)

Received:2012-10-09 Revised:2012-11-20 Online:2013-02-20 Published:2013-03-05
Supported by:
This work was supported by the National Key Basic Research Program (973 Program) under Grant No.2012CB724308;The International Science & Technology Cooperation Program of China under Grant No.2011DFB71550

Abstract

Abstract:

The software for the control system of EPB shield is developed and designed by means of S7-400H PLC redundancy system platform so as to improve the fault tolerance capability. The control of the tail sealing system and the relationship among enabled conditions are analyzed and summarized. The control procedure of the tail sealing system is analyzed. The paper can provide reference for the operation and maintaining of shield machines, as well as for the design of the control system of shield machines.

Key words: EPB shield, tail sealing, control system, PLC, S7-400H

ZHANG Hepei, CHEN Kui, LI Fengyuan, WANG Zhufeng, WANG Jiping. Design of Tail Sealing System Software of EPB Shield based on S7-400H[J]. Tunnel Construction, 2013, 33(2): 165-168.

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Design of Tail Sealing System Software of EPB Shield based on S7-400H

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