نتایج جستجو برای: differential evolution algorithms

تعداد نتایج: 926805  

Journal: :European Journal of Operational Research 2015
Miha Mlakar Dejan Petelin Tea Tusar Bogdan Filipic

This paper proposes a novel surrogate-model-based multiobjective evolutionary algorithm called Differential Evolution for Multiobjective Optimization Based on Gaussian Process Models (GP-DEMO). The algorithm is based on the newly defined relations for comparing solutions under uncertainty. These relations minimize the possibility of wrongly performed comparisons of solutions due to inaccurate s...

2009
Matej Lexa Václav Snásel Ivan Zelinka

In this participation are discussed principles of bioinformatics, datamining, evolutionary computing and its mutual intersection. Datamining by means of selected evolutionary techniques are discussed with attention on protein structure, segmentation and state of art on the field of evolutionary algorithms use. Basic principles and terminology of evolutionary algorithms, as well as two evolution...

2011
W. Wisittipanich V. Kachitvichyanukul

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan, sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date...

Journal: :bulletin of the iranian mathematical society 2015
h. abedi

in this paper, we study the existence of generalized solutions for the infinite dimensional nonlinear stochastic differential inclusions $dx(t) in f(t,x(t))dt +g(t,x(t))dw_t$ in which the multifunction $f$ is semimonotone and hemicontinuous and the operator-valued multifunction $g$ satisfies a lipschitz condition. we define the it^{o} stochastic integral of operator set-valued stochastic pr...

2010
Pravin M. Singru

This paper presents the method of selecting an optimum design of turboalternator using Multi-objective Differential Evolution (MODE) algorithms. In this paper a theoretical problem of turbo-alternator design is considered. In recent years, Genetic Algorithms have been recognized as potent tool in design optimization of electrical machinery. Initially the complete design of turbo-alternator is w...

Journal: :Fundam. Inform. 2009
Kaushik Suresh Debarati Kundu Sayan Ghosh Swagatam Das Ajith Abraham

The article considers the task of fuzzy clustering in a multi-objective optimization (MO) framework. It compares the relative performance of four recently developed multi-objective variants of Differential Evolution (DE) on over the fuzzy clustering problem, where two conflicting fuzzy validity indices are simultaneously optimized. The resultant Pareto optimal set of solutions from each algorit...

Journal: :Computers & Industrial Engineering 2013
Yuan Yuan Hua Xu

Keywords: Scheduling Flexible job shop Differential evolution Local search Neighborhood structure Makespan a b s t r a c t This paper proposes hybrid differential evolution (HDE) algorithms for solving the flexible job shop scheduling problem (FJSP) with the criterion to minimize the makespan. Firstly, a novel conversion mechanism is developed to make the differential evolution (DE) algorithm t...

2008
Upali K. Wickramasinghe Xiaodong Li

The fast convergence of particle swarm algorithms can become a downside in multi-objective optimization problems when there are many local optimal fronts. In such a situation a multi-objective particle swarm algorithm may get stuck to a local Pareto optimal front. In this paper we propose a new approach in selecting leaders for the particles to follow, which in-turn will guide the algorithm tow...

Journal: :Eng. Appl. of AI 2013
Erik Valdemar Cuevas Jiménez Daniel Zaldivar Marco A. Pérez Cisneros Diego Oliva

Motion estimation is one of the major problems in developing video coding applications. Among all motion estimation approaches, Block matching (BM) algorithms are the most popular methods due to their effectiveness and simplicity for both software and hardware implementations. A BM approach assumes that the movement of pixels within a defined region of the current frame (Macro-Block, MB) can be...

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