摘要
鉴于铁路大型客运站行车安全的重要性和复杂性,从人员、设备、环境的角度出发,建立系统的事故树,然后再将其转换为Petri网模型.提出了利用Petri网的关联矩阵求解系统最小割集的方法,并计算顶上事件的发生概率以及基本事件的临界重要度系数.以某车站发生列车冒进信号事故为例,建立了事故系统的Petri网模型,并对模型进行了定性和定量的分析.研究结果表明:Petri网能够更加清晰和准确地描述客运站行车事故过程,计算得到的结果反映了客运站目前的行车状况.
Based on the importance and complexity of the operation safety of large-scale railway passenger stati;n＇a fault tree of the system is established and then converted into a Petri net from the personnel, e- quipment and environmental perspectives. A method using incidence matrix of Petri net to get the minimal cut sets of system is proposed and the top eventg probability and basic event; critical importance coefficient are calculated. The overrunning of signal accident of a railway passenger station is taken as an example to set up the accident model based on Petri net theory and to analyze the model qualitatively and quantitative- ly. The results show that Petri net can more clearly and accurately describe the operation accident process of railway passenger station and the calculated results reflect the situation of railway passenger station op- eration.
出处
《兰州交通大学学报》
CAS
2013年第6期109-114,共6页
Journal of Lanzhou Jiaotong University
基金
教育部人文社会科学研究规划基金(11YJAZH132)
甘肃省自然科学基金(1107RJZA166
212258)
关键词
铁路大型客运站
行车故障
事故树
PETRI网
large-scale railway passenger station
train operation fault
fault tree
Petri net
