CAJ | 학술논문

建立了一个基本生产服务系统，考虑两种不同优先级顾客的不耐烦行为，同时考虑服务能力可调节。建立了系统的Markov模型，给出了系统的稳态分布，获得了系统的重要性能指标与利润函数，同时设计搜索算法获得了系统的最优库存水平与最优服务能力控制阈值，并得出基本库存水平、额外服务能力、顾客到达速率对系统净利润的影响关系。
건립료일개기본생산복무계통，고필량충불동우선급고객적불내번행위，동시고필복무능력가조절。건립료계통적Markov모형，급출료계통적은태분포，획득료계통적중요성능지표여리윤함수，동시설계수색산법획득료계통적최우고존수평여최우복무능력공제역치，병득출기본고존수평、액외복무능력、고객도체속솔대계통정리윤적영향관계。
In this paper, a basic production-service system with 2-class customers is discussed. A Markov model is constructed to describe the system. Based on the model, the steady-state distribution is calculat- ed. A searching algorithm is proposed to find the optimal basic stock level and service capacity threshold. By numerical analysis, it shows that, by improving basic stock level of the inventory, the queue length of high priority customer is dramatically decreased. Also, in order to get higher profit, additional service ca- pacity should be open as early as possible, though the additional service cost is relatively high. To get more net profit, when customer arrival rate is greater than the production and service rate, the system should limit the arrival rate of high priority customer, or otherwise limit the arrival rate of low priority cus- tomer.