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Fuzzy Stochastic Inventory Systems Analysis

Author: YangFeiXue
Tutor: HuJinSong
School: Qingdao University
Course: Management Science and Engineering
Keywords: Stock Newsboy problem Continuous review inventory policy Signed distance Fuzzy Random Variables
CLC: F274
Type: Master's thesis
Year: 2010
Downloads: 97
Quote: 0
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Abstract


Given the independent inventory model theoretical significance and application value, which has been widely used in many industries and fields. At the same time, these industries and fields and there is no doubt that artificially or objective uncertainties such as fuzziness and randomness. To this end, all the scholars of classical random or fuzzy environment and expanding inventory model to carry out a large number of independent studies. However, the current independent inventory systems in a variety of uncertainties usually mixed environment, this uncertainty is no longer a single show random or blurred, but rather the result of interaction between the mutual penetration, fuzzy random sex is a concrete manifestation of it to carry out this project Fuzzy Stochastic Inventory System. In this paper, fuzzy stochastic optimization theory, the newsboy problem and continuous review inventory policy, on the following questions to expand the existing research: 1) the existing fuzzy random newsboy problem of research, only research needs of discrete fuzzy random newsboy problem, and are not given a clear order quantity or order quantity optimality conditions. This paper a) demand for discrete fuzzy random newsboy problem, explore its order quantity optimality conditions; b) for fuzzy numbers mean continuous fuzzy random newsboy problem needs to investigate the optimal order quantity conditions; c) for variable value of fuzzy numbers demand continuous fuzzy random newsboy problem, explore its order quantity optimality conditions. The study complements the fuzzy random newsboy problem analysis. 2) Existing fuzzy random continuous review inventory problem research studied only mean fuzzy numbers fuzzy random variable lead time demand continuous inventory inventory problem, unfortunately, in the calculation of the amount out there had been some mistake . This paper a) explore needs to determine circumstances, lead to discrete fuzzy random variable continuous review inventory policy issues; b) investigate the case of determining in advance, the demand for the discrete fuzzy random variable continuous review inventory policy issues; c) explore the needs identified circumstances, and lead to LR type discrete fuzzy random variables continuous review inventory policy issues. The study enriches the fuzzy random continuous review inventory policy analysis methods. In this paper, the theory of fuzzy random inventory system innovation research are as follows: 1) creative experts presented the case of complete information shared values ??of discrete fuzzy random variable consistency conditions, and accordingly developed a fuzzy random demand and fuzzy random newsboy problem Demand / Lead continuous review inventory policy. 2) Fix the existing literature continuous fuzzy stochastic demand - Out awareness and calculations for future research to provide a reference.

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