نتایج جستجو برای: nsga ii
تعداد نتایج: 580263 فیلتر نتایج به سال:
<p style='text-indent:20px;'>This study concerns the optimization of green supply chain network design under demand uncertainty. The issue uncertainty has been addressed using a scenario-based analysis approach. main contribution this research is to investigate cross-dock based formulation and metaheuristic algorithms. problem formulated as two-objective mathematical model with objectives...
This study presents a multi-objective optimization approach for designing hybrid renewable energy systems electric vehicle (EV) charging stations that considers both economic and reliability factors as well seasonal variations in production consumption. Four algorithms, MOPSO, NSGA-II, NSGA-III, MOEA/D, were evaluated terms of their convergence, diversity, efficiency, robustness. Unlike previou...
The Protein Structure Prediction (PSP) problem is concerned about the prediction of the native tertiary structure of a protein in respect to its amino acids sequence. PSP is a challenging and computationally open problem. Therefore, several researches and methodologies have been developed for it. In this way, developers are working to integrate frameworks in order to improve their capabilities ...
Static Var compensator (SVC) is one of flexible AC transmission system (FACTS) elements mainly used for reactive power and voltage control in power systems. This paper deals with multi-modal electromechanical oscillations damping in the presence of severe disturbances. These oscillations include local modes, interarea modes and inter-plant modes. To enhance the damping of the oscillations, a co...
In this paper, a new reactive power market clearing (RPMC) mechanism for day-ahead competitive electricity market is developed based on multi-objective optimization approach. In proposed mechanism, three objective functions such as total payment function (TPF) for reactive power support from generators and synchronous condensers, total real transmission loss (TRTL) and voltage stability enhance...
this paper presents the results of a comprehensive study on the efficiency of planar parallel mechanisms, considering their kinetostatic performance and also, their workspace. this aim is approached upon proceeding single- and multi-objective optimization procedures. kinetostatic performances of ten different planar parallel mechanisms are analyzed by resorting to a recent index, kinematic sens...
بهینه سازی بهره برداری از سیستم های چند مخزنی منابع آب با استفاده از الگوریتم ژنتیک چند هدفه nsga-ii
مخازن سطحی یکی از منابع اصلی تأمین نیازهای آبی در مناطق شهری و کشاورزی بوده اند و بهره برداری از آنها یکی از مهم ترین مسائل در مدیریت منابع آب می باشد. این موضوع بخصوص در کشورهای کم آب از اهمیت بیشتری برخوردار است. کشور ایران با داشتن بارندگی کمتر از یک سوم بارندگی متوسط دنیا جزء مناطق خشک به حساب می رود. در اینگونه مناطق استفاده از مدلهای بهینه بهره برداری، یکی از راهکارهای مقابله با کم آبی و ...
in the new production systems, finding a way to improving the product and system reliability in design is a very important. the reliability of the products and systems may improve using different methods. one of this methods is redundancy allocation problem. in this problem by adding redundant component to sub-systems under some constraints, the reliability improved. in this paper we worked on ...
in this paper, experimentally derived correlations of heat transfer and pressure drop are used in a pareto based multi-objective optimization (moo) approach to find the best possible combinations of heat transfer and pressure drop of tio2-water nanofluid flow in tubes fitted with multiple twisted tape inserts in different arrangement. in this study there are four independent design variables: t...
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