نتایج جستجو برای: twostep algorithm

تعداد نتایج: 754198  

Journal: :journal of tethys 0

this study emphasized the ability of genetic algorithm and cellular automate to simulate urban land use changes by integrating adaptive model. the most important part of modeling is to define transition rules.  in this research, a cellular automata model in dinamica ego software was used coupled with genetic algorithm. according to disability of the software for manipulating large number of var...

Journal: :سنجش از دور و gis ایران 0
علی اکبر متکان دانشگاه شهید بهشتی علیرضا شکیبا دانشگاه اصفهان بابک میرباقری دانشگاه شهید بهشتی رضا فلاحی دانشگاه شهید بهشتی

among the usual interpolation methods, kriging and co-kriging are frequently used in the interpolation of precipitation data as one the best linear unbiased estimators, despite these advantages, there models show smoothness representation and because they are based on regional averages of the data, they predict maximum and minimum values   lower and higher than real values respectively. therefo...

Journal: :international journal of smart electrical engineering 2015
h. kiani rad z. moravej

in recent years, significant research efforts have been devoted to the optimal planning of power systems. substation expansion planning (sep) as a sub-system of power system planning consists of finding the most economical solution with the optimal location and size of future substations and/or feeders to meet the future demand. the large number of design variables, and combination of discrete ...

Journal: :journal of artificial intelligence in electrical engineering 0

in this paper proposes a fuzzy multi-objective hybrid genetic and bee colony optimization algorithm(ga-bco) to find the optimal restoration of loads of power distribution network under fault.restoration of distribution systems is a complex combinatorial optimization problem that should beefficiently restored in reasonable time. to improve the efficiency of restoration and facilitate theactivity...

Journal: :international journal of smart electrical engineering 2013
mohsen jahanshahi shaban rahmani shaghayegh ghaderi

an efficient cluster head selection algorithm in wireless sensor networks is proposed in this paper. the implementation of the proposed algorithm can improve energy which allows the structured representation of a network topology. according to the residual energy, number of the neighbors, and the centrality of each node, the algorithm uses fuzzy inference systems to select cluster head. the alg...

Journal: :journal of optimization in industrial engineering 2012
esmaeil najafi bahman naderi hassan sadeghi mehdi yazdani

this paper studies the hybrid flow shop scheduling where the optimization criterion is the minimization of total tardiness. first, the problem is formulated as a mixed integer linear programming model. then, to solve large problem sizes, an artificial immune algorithm hybridized with a simple local search in form of simulated annealing is proposed. two experiments are carried out to evaluate th...

Journal: :international journal of industrial engineering and productional research- 0
danial khorasanian iut ghasem moslehi iut

in this paper, we propose an iterated greedy algorithm for solving the blocking flow shop scheduling problem with total flow time minimization objective. the steps of this algorithm are designed very efficient. for generating an initial solution, we develop an efficient constructive heuristic by modifying the best known neh algorithm. effectiveness of the proposed iterated greedy algorithm is t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1386

چکیده ندارد.

2008
MARTÍN VALDIVIA GIANMARCO LEÓN

This paper goes further in the discussion on the determinants of school attainment in developing countries arguing for the need to take into account the large inequalities in the distribution of traditional school resources and the supply constraints faced by students living in poorer areas. Using a data set containing detailed demographic and socioeconomic characteristics of students, as well ...

2010
W. C. Lim C. Srinivasakannan

1 Monash University, Sunway Campus, Malaysia * The Petroleum Institute, Abudhabi, UAE Introduction Utilization of biomass for production of porous carbons is well established industrially, as the demand is abundant due to varied industrial application. Activated carbons with highly developed surface area are widely used in a variety of industries for applications which include separation/purifi...

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