نتایج جستجو برای: uncertain demand

تعداد نتایج: 205314  

2011
Yahong ZHENG Khaled MESGHOUNI

Uncertain demand is one of the most important uncertainties in supply chain management. Different from the traditional methods, such as dynamic inventory control, estimation of demand, we propose to apply postponement strategy to treat uncertain demand in the process of distribution in supply chain. Postponement has been appreciated in recent decades, mainly in manufacturing period of realizing...

2011
Christian Gollier

This paper investigates the comparative statics of ”more ambiguity aversion” as defined by Klibanoff, Marinacci and Mukerji (2005). The analysis uses the static two-asset portfolio problem with one safe asset and one uncertain one. While it is intuitive that more ambiguity aversion would reduce demand for the uncertain asset, this is not necessarily the case. We derive sufficient conditions for...

2017
Haitao Wang Jingru Zhang

In this paper, we consider a coverage problem for uncertain points in a tree. Let T be a tree containing a set P of n (weighted) demand points, and the location of each demand point Pi ∈ P is uncertain but is known to appear in one of mi points on T each associated with a probability. Given a covering range λ, the problem is to find a minimum number of points (called centers) on T to build faci...

This paper deals with day-ahead programming under uncertainties in microgrids (MGs). A two-stage stochastic programming with the fixed recourse approach was adopted. The studied MG was considered in the grid-connected mode with the capability of power exchange with the upstream network. Uncertain electricity market prices, unpredictable load demand, and uncertain wind and solar power values, du...

In this paper, robust optimization of a bi-objective mathematical model in a dynamic cell formation problem considering labor utilization with uncertain data is carried out. The robust approach is used to reduce the effects of fluctuations of the uncertain parameters with regards to all the possible future scenarios. In this research, cost parameters of the cell formation and demand fluctuation...

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