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带有故障的休假排队模型

A Vacation Queueing Model with Breakdowns
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摘要 研究了一个复合的休假排队模型,工作或休假时服务台都有可能故障,服务台一旦修好可立即进行服务,而且每个忙期结束就开始一次休假,顾客到达服从Poisson过程,到达率依赖于系统状态,修理时间、服务时间和休假长度都服从指数分布.给出了系统状态的平衡方程,利用概率母函数求出队长,并做了数值分析. In this paper we consider a multiple-vacation queueing model, where the service station is subject to breakdown while in operation or on vacation .Service resumes immediately after a repair process, and a vacation starts at the end of each busy period. Arrivals follow a Poisson process with rates depending upon the system state. The repair time ,uninterrupted service time and length of each vacation follow exponential distributions. Give a balance equation of describing the system state, and obtain the mean queue length by using the generating function. Finally we give some numerical analysis.
机构地区 燕山大学理学院
出处 《数学的实践与认识》 CSCD 北大核心 2011年第14期218-222,共5页 Mathematics in Practice and Theory
基金 国家自然科学基金(71071133)
关键词 休假排队 故障 平衡方程 队长 vacation queue breakdown balance equation queue length
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参考文献7

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