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Applying the Modified Base Stock Policy in a Two–echelon Inventory System Including Stockroom and Retailers | ||
| Advances in Industrial Engineering | ||
| مقاله 8، دوره 51، شماره 1، تیر 2017، صفحه 91-100 اصل مقاله (548.76 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jieng.2017.61896 | ||
| نویسندگان | ||
| Arezoo Ghahghaei؛ Mehdi Seyfbarghi* | ||
| Department of Industrial Engineering, Alzahra University, Tehran, Iran | ||
| چکیده | ||
| In base stock policy, a new order is done immediately when a sale occurs. However, in modified base stock policy, doing a new order is delayed. In this paper, for the first time a two-echelon inventory system is studied which consists of one central storeroom and a number of identical, independent retailers which apply continuous review and modified base stock policy by imposing delay between placement of successive orders. Unsatisfied demands are backordered at the warehouse while become lost at the retailers. The performance of modified base stock policy is evaluated through simulation and its total cost is compared with that of standard base stock policy. Simulation show that in modified policy, while the delays before the new orders are the same, the total cost reduces much. | ||
| کلیدواژه‌ها | ||
| Backorder؛ Base stock؛ Continuous review؛ Lost demand؛ Multi echelon inventory system؛ Supply Chain | ||
| عنوان مقاله [English] | ||
| به‌کارگیری سیاست ذخیرۀ پایۀ تغییریافته در یک زنجیرۀ تأمین دوسطحی شامل انبار و خرده‌فروشان | ||
| نویسندگان [English] | ||
| آرزو قهقائی؛ مهدی سیف برقی | ||
| دانشجوی دکتری دانشکدة مهندسی صنایع دانشگاه الزهرا، تهران، ایران | ||
| چکیده [English] | ||
| در سیاست ذخیرة پایه، بلافاصله پس از فروش کالا، به‌منظور تکمیل موجودی سفارش جدید صادر میشود؛ درحالی‌که در سیاست ذخیرة پایة تغییریافته، صدور سفارش جدید با مقداری تأخیر انجام می‌گیرد. در این پژوهش، برای اولین بار یک سیستم موجودی دوسطحی مبتنیبر سیاست ذخیرة پایۀ تغییریافته و مرور پیوسته- که متشکل از یک انبار مرکزی و چند خرده‌فروش یکسان و مستقل است- مطالعه میشود. خرده‌فروشان با تقاضای پواسون مواجه هستند و تقاضاهای برآوردهنشده، در انبار به‌صورت پس‌افت و در خرده‌فروشان به‌صورت ازدسترفته درمی‌آیند. عملکرد این سیاست، از طریق شبیه‌سازی ارزیابی شده و هزینۀ کل آن با هزینۀ کل سیاست ذخیرۀ پایه مقایسه شده است. نتایج شبیه‌سازی نشان می‌دهد در سیاست تغییریافته، در شرایطی که تأخیر اعمال‌شده پیش از همۀ سفارش‌ها یکسان باشد، هزینة کل به میزان زیادی کاهش می‌یابد. | ||
| کلیدواژه‌ها [English] | ||
| تقاضای ازدسترفته, تقاضای پس‌افت, ذخیرۀ پایه, زنجیرۀ تأمین, سیستم‌های موجودی چندسطحی, مرور پیوسته | ||
| مراجع | ||
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