- Uludağ Üniversitesi Mühendislik Fakültesi Dergisi
- Volume:28 Issue:1
- A MAP/PH/1 PRODUCTION INVENTORY MODEL
A MAP/PH/1 PRODUCTION INVENTORY MODEL
Authors : Şerife ÖZKAR
Pages : 89-106
Doi:10.17482/uumfd.1171281
View : 42 | Download : 16
Publication Date : 2023-04-30
Article Type : Research Paper
Abstract :In this study, a production inventory model with phase type service times where customers join the system occur according to a Markovian arrival process is discussed. When the inventory level is positive, if an arriving customer finds the server idle gets into service immediately. Served customer leaves the system and the on-hand inventory is decreased one unit of item at service completion epoch. Otherwise, the customer enters into a waiting space insert ignore into journalissuearticles values(queue); of infinite capacity and waits for get served. The production facility produces items according to an insert ignore into journalissuearticles values(????,????); policy. The production is switched on when the inventory level depletes to ???? and the production remains on until the inventory level reaches to the maximum level ????. Once the inventory level becomes ????, the production process is switched off. Applying the matrix-geometric method, we carry out the steady-state analysis of the production inventory model and perform a few illustrative numerical examples includes the effect of parameters on the system performance measures and an optimization study for the inventory policyKeywords : Üretim envanteri, Faz tipi dağılım, Markovian varış süreci, Matris geometrik yöntem, Yerel satın alma, Optimizasyon
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