| 盾构掘进土压控制模型的建立及仿真 |
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| 引用本文： | 刘宣宇,邵诚. 盾构掘进土压控制模型的建立及仿真[J]. 煤炭学报, 2010, 35(4): 575-579 |
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| 作者姓名： | 刘宣宇 邵诚 |
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| 作者单位： | 大连理工大学 |
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| 基金项目： | 国家重点基础研究发展计划(973)基金资助项目(2007CB714006) |
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| 摘 要： | 为建立以密封舱压力平衡为目标的土压控制模型，提出了采用机理分析与LS-SVM技术相结合的方法。首先对盾构掘进过程进行机理分析，根据掘进过程的连续性方程、力学平衡方程等，建立了密封舱土压控制模型；由于盾构总推力、推进速度、螺旋输送机转速等施工参数对密封舱土压的影响程度不同，在模型中引入了权重系数γ。然后基于LS-SVM技术建立了误差模型并求取参数γ的最优值。最后通过仿真验证了模型的有效性。
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| 关 键 词： | 盾构；土压平衡；控制模型；施工参数 |
| 收稿时间： | 2009-09-11 |
| 修稿时间： | 2009-11-14 |
Modeling and simulation on earth pressure control for shield tunneling |
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| LIU Xuan-yu,,SHAO Cheng,LIU Ren-xi. Modeling and simulation on earth pressure control for shield tunneling[J]. Journal of China Coal Society, 2010, 35(4): 575-579 |
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| Authors: | LIU Xuan-yu SHAO Cheng LIU Ren-xi |
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| Affiliation: | 1.Institute of Advanced Control Technology/a>;Dalian University of Technology/a>;Dalian 116024/a>;China/a>;2.School of Computer and Communication Engineering/a>;Liaoning Shihua University/a>;Fushun 113001/a>;China |
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| Abstract: | To establish earth pressure control model aiming at chamber pressure balance,a method of combining mechanism analysis and least squares support vector machine(LS-SVM) technology was proposed. Firstly,the tunneling process mechanism of earth pressure balance (EPB) shield was analyzed,and an earth pressure control model of pressure chamber was established based on continuity equation,mechanics balance equation and so on. For the total thrust of shield,speeds of shield jack and screw conveyor influencing to th... |
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| Keywords: | shield earth pressure balance control model operation parameters |
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