铁路V型天窗对线路能力影响的模拟分析方法研究

针对分析铁路V型天窗对线路能力影响的问题,提出了模拟分析的方法.该方法首先明确了V型天窗对线路能力影响的内容,探讨了能力影响分析的研究流程和分析指标.在此基础上,完成了列车运行图和V型天窗的数据结构设计,并运用离散事件动态系统理论和计算机模拟技术,设计了用以计算影响分析指标的一整套算法,包括:V型天窗直接影响运行线集的求解算法,确定两侧V型天窗影响区域的求解算法和计算两侧V型天窗影响区域可利用能力的算法.特别地,为求解两侧V型天窗影响区域可利用能力,设计了模拟运行流程,并给出了流程中事件推演、冲突判定、平移量计算和事件修正的计算公式.最后,进行了实例验证.

Research on Simulation Analyzing Method for Influence of V Form Skylight on Capacity of Railways

The simulation analyzing method was put forward for the problem to analyze the influence of V form skylight on capacity of railways. Firstly, this method confirmed that what the influence involves, discussed the research flow and analyzing index about analyzing influence on capacity. Then it proposed data structures that present the train graph and V form skylight, and designed a set of algorithm for calculating analyzing index by DEDS theory and computer simulation technology that involved: the algorithm for calculating directly influencing train lines collection set, the algorithm for confirming two sides skylight influencing area, and the algorithm for calculating the available capacity of two sides skylight influencing area. Especially, the running flow was designed in which the calculating expressions were put forward about events evolvement, conflict determinant, moving quantity calculating and events amending, in order to calculate the available capacity of two sides skylight influencing area. Finally, an example was given.