نتایج جستجو برای: inventory systems
تعداد نتایج: 1231573 فیلتر نتایج به سال:
Product returns are often characterized by a dual uncertainty on time and quantity. In the literature on inventory management with product returns, best forecasts have been associated with methods that use the most information regarding product return history. In practice however, data is often scarce and unreliable. In this paper we investigate the impact of (mis)information on inventory perfo...
Radio Frequency Identification (RFID) is used to identify the characteristics of an object wirelessly using radio waves. The purpose of this technology in this study is mainly focused on healthcare for inventory management and theft control replacing the manual logs. The storage and tracking of high-cost inventory items is developed. Automatic reordering and billing interfaces are designed for...
This paper discusses the issue of order crossover and its effects in order point, lot size (s, Q) inventory systems. Orders are likely to cross when their lead times are stochastic. Two inventory systems are considered to examine the consequences of order crossover. The first inventory system considers a fast moving item having deterministic demand and stochastic lead time. It is assumed lead t...
This paper considers a single-stage make-to-stock production–inventory system under random demand and yield, where defective units are reworked. We examine how to set cost-minimizing production/order quantities in such imperfect systems, which is challenging because yield implies an uncertain arrival time of outstanding the possibility them crossing each other pipeline. To determine order/produ...
in this thesis, using concepts of wavelets theory some methods of the solving optimal control problems (ocps). governed by time-delay systems is investigated. this thesis contains two parts. first, the method of obtaining of the ocps in time delay systems by linear legendre multiwavelets is presented. the main advantage of the meth...
We propose a tactical model which integrates the replenishment decision in inventory management, the allocation of products to warehousing systems and the assignment of products to storage locations in warehousing management. The purpose of this article is to analyse the value of integrating warehouse and inventory decisions. This is achieved by proposing two methods for solving this tactical i...
This simulation study explores and compares the potential benefits of three work-in-process inventory drive systems and their associated inventory buffer characteristics. The three inventory drives are a push, a pull and a hybrid push-pull system. While these systems have some aspects in common, their buffer management systems vary. The statistical analysis associated with the study was based o...
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