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001-es BibID:	BIBFORM106174
035-os BibID:	(Scopus)85145900995 (WoS)000909270300001
Első szerző:	Melikov, Agassi (mathematician)
Cím:	Double-Sources Queuing-Inventory Systems with Finite Waiting Room and Destructible Stocks / Agassi Melikov, Ramil Mirzayev, Janos Sztrik
Dátum:	2023
ISSN:	2227-7390
Megjegyzések:	Models of double-source queuing-inventory systems are studied in the presence of a finite buffer for waiting in the queue of consumer customers, where instant destruction of inventory is possible. It is assumed that the lead times of orders, as well as the cost of delivery from various sources, differ from each other. Replenishment of stocks from various sources is carried out according to the following scheme: if the inventory level drops to the reorder point s, then a regular order for the supply of inventory to a slow source is generated; if the inventory level falls below a certain threshold value r, where r < s, then the system instantly cancels the regular order and generates an emergency order to the fast source. Models of systems that use (s, S) or (s, Q) replenishment policies are studied. Exact and approximate methods for finding the performance measures of the models under study are proposed. The problems of minimizing the total cost are solved by choosing the appropriate values of the parameters s and r when using different replenishment policies. Numerical examples demonstrated the high accuracy of an approximate method as well as compared performance measures of the system under various replenishment policies.
Tárgyszavak:	Műszaki tudományok Informatikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk queuing-inventory system double sources finite buffer
Megjelenés:	Mathematics. - 11 : 1 (2023), p. 226-. -
További szerzők:	Mirzayev, Ramil (1988-) (mathematician) Sztrik János (1953-) (informatikus, matematikus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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