Inverse Analysis and Modeling for Tunneling Thrust on Shield Machine

Qian Zhang, Yilan Kang, Zheng Zheng and Lihui Wang

Mathematical Problems in Engineering, 2013, vol. 2013, 1-9

Abstract:

With the rapid development of sensor and detection technologies, measured data analysis plays an increasingly important role in the design and control of heavy engineering equipment. The paper proposed a method for inverse analysis and modeling based on mass on-site measured data, in which dimensional analysis and data mining techniques were combined. The method was applied to the modeling of the tunneling thrust on shield machines and an explicit expression for thrust prediction was established. Combined with on-site data from a tunneling project in China, the inverse identification of model coefficients was carried out using the multiple regression method. The model residual was analyzed by statistical methods. By comparing the on-site data and the model predicted results in the other two projects with different tunneling conditions, the feasibility of the model was discussed. The work may provide a scientific basis for the rational design and control of shield tunneling machines and also a new way for mass on-site data analysis of complex engineering systems with nonlinear, multivariable, time-varying characteristics.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:975703

DOI: 10.1155/2013/975703

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