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Optimal disc cutters plane layout design of the full-face rock tunnel boring machine (tbm) based on a multi-objective genetic algorithm

Junzhou Huo/Wei Sun/Jing Chen/Pengcheng Su/Liying Deng
The Journal of Mechanical Science and Technology, vol. 24, no. 2, pp.513-520, 2010

Abstract : Improving of the quality of the disc cutters¡¯ plane layout design of the full-face rock tunnel boring machine (TBM) is the most effective way to improve the global performance of a TBM. The plane layout design of disc cutters contains multiple complex engineering technical requirements and belongs to a multi-objective optimization problem with multiple nonlinear constraints. Based on analysis of the technical requirements of the plane layout problem, an optimizing mathematical model was built. To obtain a set of design schemes for engineers to choose from, a multi-objective genetic algorithm (MOGA) was applied to carry out the optimization of the mathematical model. A constraint-domination principle was utilized to handle the constraints, and a nondominated sorting method was adopted to obtain Pareto solutions. Simulation results showed that the proposed method was efficient and accurate in obtaining the Pareto layout solutions.

Keyword : Disc cutters plane layout; Full-face tunnel boring machine; Multi objective optimization; Nondominated sorting

 
 
 
 
 
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