نتایج جستجو برای: optimization algorithm

تعداد نتایج: 964784  

E. Valian S. Mohanna S. Tavakoli,

The cuckoo search algorithm is a recently developedmeta-heuristic optimization algorithm, which is suitable forsolving optimization problems. To enhance the accuracy andconvergence rate of this algorithm, an improved cuckoo searchalgorithm is proposed in this paper. Normally, the parametersof the cuckoo search are kept constant. This may lead todecreasing the efficiency of the algorithm. To cop...

Journal: :journal of computer and robotics 0
roham shakiba mechatronics research lab., electrical, computer, and it dept, qazvin branch, islamic azad university, qazvin, iran mostafa e. salehi mechatronics research lab., electrical, computer, and it dept, qazvin branch, islamic azad university, qazvin, iran

in this paper we introduce an improvement in the path planning algorithm for the humanoid soccer playing robot which uses ferguson splines and pso (particle swarm optimization). the objective of the algorithm is to find a path through other playing robots to the ball, which should be as short as possible and also safe enough. ferguson splines create preliminary paths using random generated para...

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...

Meta-heuristic algorithms inspired by the natural processes are part of the optimization algorithms that they have been considered in recent years, such as genetic algorithm, particle swarm optimization, ant colony optimization, Firefly algorithm. Recently, a new kind of evolutionary algorithm has been proposed that it is inspired by the human sociopolitical evolution process. This new algorith...

Journal: :journal of mining and environment 0
z. bayatzadeh fard department of mining engineering, arak university of technology, arak, iran f. ghadimi department of mining engineering, arak university of technology, arak, iran h. fattahi department of mining engineering, arak university of technology, arak, iran.

determining the distribution of heavy metals in groundwater is important in developing appropriate management strategies at mine sites. in this paper, the application of artificial intelligence (ai) methods to data analysis,namely artificial neural network (ann), hybrid ann with biogeography-based optimization (ann-bbo), and multi-output adaptive neural fuzzy inference system (manfis) to estima...

Journal: :iranian journal of environmental sciences 0
amir soltani mohammadi irrigation and drainage department, faculty of water sciences engineering, shahid chamran university, ahvaz, iran atefeh sayadi shahraki irrigation and drainage department, faculty of water sciences engineering, shahid chamran university, ahvaz, iran abd ali naseri irrigation and drainage department, faculty of water sciences engineering, shahid chamran university, ahvaz, iran

one of the main aims of water resource planners and managers is to estimate and predict the parameters of groundwater quality so that they can make managerial decisions. in this regard, there have many models developed, proposing better management in order to maintain water quality. most of these models require input parameters that are either hardly available or time-consuming and expensive to...

Journal: :journal of computational applied mechanics 0
masoud sharififar school of metallurgy and material engineering, college of engineering, university of tehran, tehran, iran s. ali asghar akbari mousavi school of metallurgy and material engineering, college of engineering, university of tehran, tehran, iran.

rectangular waveguide (wr) is one of the earliest types of transmission lines. rectangular waveguide can be produced by hot extrusion process. in this paper, the hot extrusion process of cuzn5 rectangular waveguide was investigated by finite element method (fem). in addition, genetic algorithm method (ga) was used to optimize the die geometry and process conditions to achieve the lowest magnitu...

Journal: :journal of computer and robotics 0
seyed hossein mirshojaei department of computer engineering, qazvin branch, islamic azad university, qazvin, iran behrooz masoomi department of computer engineering, qazvin branch, islamic azad university, qazvin, iran

today, with rapid growth of the world wide web and creation of internet sites and online text resources, text summarization issue is highly attended by various researchers. extractive-based text summarization is an important summarization method which is included of selecting the top representative sentences from the input document. when, we are facing into large data volume documents, the extr...

Journal: :bulletin of the iranian mathematical society 2014
saman babaie-kafaki

‎based on an eigenvalue analysis‎, ‎a new proof for the sufficient‎ ‎descent property of the modified polak-ribière-polyak conjugate‎ ‎gradient method proposed by yu et al‎. ‎is presented‎.

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
maryam sadi bahram dabir

a multi-objective optimization procedure has been developed to determine some kinetic parameters of free radical polymerization of vinyl acetate based on genetic algorithm. for this purpose, mathematical modeling of free radical polymerization of vinyl acetate is carried out first and then selected kinetic parameters are optimized by minimizing objective functions defined from comparing experim...

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