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运用运筹学中图论的理论和方法建立了井下火灾动态救灾路线数学模型,用改进的Dijkstra算法求解该模型并用MapObject控件实现.结合井下火灾时期救灾路线动态选择过程详细介绍了改进的Dijkstra算法运算的各个步骤,拟合出矿井火灾时期人员停留和行走时间与温度的关系函数.以东庞矿矿井灾害应急救援项目为例,通过程序运算,在东庞矿井下巷道分布示意图上动态搜索救灾人员营救受灾人员的最佳救灾路线,不但实现了可视化要求而且效率高,为矿井火灾救灾提供了有力的技术支持.
The mathematic model of underground fire disaster relief route is established by using the theory and method of operation theory in graph theory. The improved Dijkstra algorithm is used to solve the model and implemented with MapObject control. The improved Dijkstra algorithm operation is introduced in detail in combination with the dynamic selection process of disaster relief route during underground fire , The function of the staff stay and the walking time and temperature in the period of mine fire is fitted.An example of mine disaster emergency rescue project in East Pang Mine is used to search the relief map of the roadway in Dong Pang mine Rescue of the best disaster relief routes, not only to achieve the visualization requirements and high efficiency, mine fire disaster relief provided a strong technical support.