Parameter identification and pressure control of dynamic system in shield tunneling using least squares method

查看全文 作　　者：LI Shou-[1]ju;CAO Li-[2]juan;SHANGGUAN Zi-[2]chang;LIU [1]Bo

机构地区：[1]State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;[2]Institute of Mechanical Engineering, Dalian Ocean University, Dalian 116024, China

出　　处：《Journal of Coal Science & Engineering(China)》索引2010年第16卷第3期,共6页

基　　金：Supported by the National Basic Research Program of China(2007CB714006);the National Natural Science Foundation of China(90815023) 摘　　要：An estimation approach using least squares method was presented for identificationof model parameters of pressure control in shield tunneling.The state equation ofthe pressure control system for shield tunneling was analytically derived based on themass equilibrium principle that the entry mass of the pressure chamber from cutting headwas equal to excluding mass from the screw conveyor.The randomly observed noise wasnumerically simulated and mixed to simulated observation values of system responses.The numerical simulation shows that the state equation of the pressure control system forshield tunneling is reasonable and the proposed estimation approach is effective even ifthe random observation noise exists.The robustness of the controlling procedure is validatedby numerical simulation results. 关键词：压力控制系统最小二乘法动力系统盾构掘进参数辨识质量平衡数值模拟估计方法

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Parameter identification and pressure control of dynamic system in shield tunneling using least squares method

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