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现有基于排队的枢纽离站出租车系统研究大多基于单服务台,与实际情况有较大差距。首先把系统抽象成异步单重休假M/M/C(ASV)排队系统,并得到系统在服务台全忙条件下的稳态指标;然后建立考虑服务水平的枢纽离站出租车排队系统服务台数双层优化模型,并设计了基于Matlab软件的算法程序;最后给出算例,并对优化计算结果、系统仿真与实际方案进行了对比分析。对比分析表明,该优化模型是可行的,在充分考虑服务水平因素的条件下是有效的。
Most of the existing queuing-based hub taxi systems are based on a single service desk, which is far from the actual situation. Firstly, the system is abstracted into an asynchronous single vacation M / M / C (ASV) queuing system, and the steady-state index of the system is obtained under the conditions of full help desk. Then, the number of service queuing queues A two-level optimization model and an algorithm program based on Matlab software are designed. Finally, an example is given, and the results of optimization calculation, system simulation and actual scheme are compared and analyzed. The comparative analysis shows that this optimization model is feasible and effective under the condition of full consideration of service level factors.