نتایج جستجو برای: in classic inventory control system
تعداد نتایج: 17490939 فیلتر نتایج به سال:
We consider a base stock inventory control system serving two customer classes whose demands are generated by two independent compound renewal processes. We show how to derive order and volume fill rates of each class. Based on assumptions about first order stochastic dominance we prove when one customer class will get the best service. That theoretical result is validated through a series of n...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
Consider an inventory model which consists in controlling the level of stock of a single product where the demands D1, D2, . . . for the product in periods 1, 2, . . . are independently and identically distributed i.i.d random variables with density function ψ, and finite mean μ < ∞. Assume that at the beginning of each period the system is reviewed and we are allowed to increase the level of s...
Abstract In this paper we propose a modification to the standard forecasting, periodic order-up-tolevel inventory control approach to dealing with intermittent demand items, when the lead-time length is shorter than the average inter-demand interval. In particular, we develop an approach that relies upon the employment of separate estimates of the interdemand intervals and demand sizes, when de...
purchase or non-purchase of one item or itemset on the purchase or non-purchase of another item or itemset. The research in this paper models for incorporating purchase dependencies in retail multi-item inventory management. One illustrative example has been discussed with data mining in retail sale data. Various types of purchase dependencies including negative dependency have been identified ...
this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...
this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...
this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...
Inventory or material balance control is an important part of process control. In the literature, many rules have been proposed to held in designing such systems, but their justification is often unclear. The main contribution of this paper is to proposed the more general selfconsistency rule for evaluating inventory control systems. Consistency means that the steadystate mass balances (total, ...
It is important to share demand information among the members in supply chains. In recent years, production and inventory systems with advance demand information (ADI) have been discussed, where advance demand information means the information of demand which the decision maker obtains before the corresponding actual demand arrives. Appropriate production and inventory control using demand info...
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