نتایج جستجو برای: genetic algorithm ga

تعداد نتایج: 1327948  

ژورنال: :فصلنامه دانش مدیریت (منتشر نمی شود) 2006
بابک سهرابی

این مقاله، عملکرد الگوریتم (simulated annealing) sa و (genetic algorithm) ga را در تعویض پیش گیرانه بهینه قطعات به منظور حداقل کردن زمان خوابیدگی بررسی می کند. به این منظور، تعدادی معیار ارزیابی برای تحلیل عملکرد این الگوریتم ها تشریح شده تا با استفاده از آن ها بتوان تصمیم گرفت که کدام الگوریتم را در تعویض پیش گیرانه قطعات می توان به کار برد.

Journal: :Academic journal of Nawroz University 2022


 For optimizing search global solution for complicated issues the Genetic Algorithm (GA) is a famous evolutionary computation technique that plays an important role in finding meaningful solutions to hard problems with huge space could be process based on genetic selection ideas. In addition, it supports machine learning causes, as well study and evolution. However, developing processes w...

2014

The author proposes an extension of genetic algorithm (GA) for solving fuzzy-valued optimization problems. In the proposed GA, values in the genotypes are not real numbers but fuzzy numbers. Evolutionary processes in GA are extended so that GA can handle genotype instances with fuzzy numbers. The proposed method is applied to evolving neural networks with fuzzy weights and biases. Experimental ...

Journal: :international journal of smart electrical engineering 2013
reza ilka yousef alinejad-beromi hossein asgharpour-alamdari hamid yaghobi

permanent magnet synchronous generators (pmsgs) are novel generators which can be used in high-performance wind farms. high efficiency and flexibility in producing electricity from variable rotation make them good candidate for wind power applications. furthermore, because these kinds of generators have no excitation winding, there is no copper loss on rotor; hence, they can operate at high pow...

This study proposes a modified version of cultural algorithms (CAs) which benefits from rule-based system for influence function. This rule-based system selects and applies the suitable knowledge source according to the distribution of the solutions. This is important to use appropriate influence function to apply to a specific individual, regarding to its role in the search process. This rule ...

2016
Caiping Hou Xiyu Liu

In recent years, DNA-GA algorithm is drawing attention from scholars. The algorithm combines the DNA encoding and Genetic Algorithm, which solves the premature convergence of genetic algorithms, the weak local search capability and binary Hamming cliff problems effectively. How to design a more effective way to improve the performance of DNA-GA algorithm is more worth studying.As is known to al...

2013
Hsing-Fang Tsai Shin-Yeu Lin

Reader network planning (RNP) problem of radio frequency identification (RFID) system is a combinational optimization problem. In this study, we propose a genetic algorithm (GA) to solve this RNP problem. We have tested the proposed GA on several RNP problems and compare with a particle swarm optimization (PSO) method by solving the same RNPs. The comparison results demonstrate that the propose...

2012
Mehdi Azimipour Mohammad Reza Bonyadi Mohammad Eshghi

In this paper, an immune genetic based algorithm (IGA) for random test pattern generation was proposed. Genetic algorithms (GA) solve many search and optimization problems, effectively. However, they may drop into local optimal solutions; or they may find the optimal solution by low convergence speed. To overcome these problems, we used the immune concept and GA algorithm for random-based test ...

Journal: :journal of operation and automation in power engineering 2007
m. darabian s. jalilzadeh m. azari

this paper focuses on multi-objective designing of multi-machine thyristor controlled series compensator (tcsc) using strength pareto evolutionary algorithm (spea). the tcsc parameters designing problem is converted to an optimization problem with the multi-objective function including the desired damping factor and the desired damping ratio of the power system modes, which is solved by a spea ...

This paper presents the design optimization of axial flux surface mounted Permanent Magnet Brushless DC motor based on genetic algorithm for an electrical vehicle application. The rating of the motor calculated form vehicle dynamics is 250 W, 150 rpm. The axial flux surface mounted Permanent Magnet Brushless DC (PMBLDC) motor was designed to fit in the rim of the wheel. There are several design...

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