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《Journal of Changchun University》 2017-08
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Reliability Modeling of NC Machine's Hydraulic System Based on GSPN Model

LI Zhiyao;XU Tiantian;College of Machinery and Vehicle Engineering,Changchun University;  
In view of the reliability of NC machine,this paper establishes a generalized stochastic Petri net( GSPN) model for NC machine's hydraulic system,which uses the generalized stochastic Petri net to analyze the dynamic process of change of faults in NC machine's hydraulic system,and expresses faults and maintenance of NC machine's components by delay change,making up for the deficiency that traditional reliability modeling method cannot describe the dynamic change process of the system.
【Key Words】: generalized stochastic Petri net NC machine tool hydraulic system reliability
【Fund】: 吉林省教育厅项目(2015LY501L05)
【CateGory Index】: TG659;TP301.1
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