نتایج جستجو برای: neural optimization

تعداد نتایج: 606462  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده مهندسی برق و کامپیوتر 1390

مسئله ی پایداری سیستم های قدرت و دمپینگ موثر نوسانات فرکانس پایین یکی از مهمترین مسائل مورد توجه مهندسان برق در شبکه های قدرت می باشد. پایدارسازهای سیستم قدرت، روش های ترکیب ان ها با avr و نیز انتخاب و تصحیح پارامترهای pss به طور گسترده ای در مقالات مختلف بررسی شده است. هدف عمده ی این پایدار سازها دمپینگ موثر و به موقع نوسانات شبکه های قدرت می باشد. در حوزه ی طراحی pss وتنظیم پارامترهای ان روش ...

A multi-objective optimization (MOO) of two-element wing models with morphing flap by using computational fluid dynamics (CFD) techniques, artificial neural networks (ANN), and non-dominated sorting genetic algorithms (NSGA II), is performed in this paper. At first, the domain is solved numerically in various two-element wing models with morphing flap using CFD techniques and lift (L) and drag ...

ژورنال: علوم آب و خاک 2022

Accurate prediction of pore water pressure in the body of earth dams during construction with accurate methods is one of the most important components in managing the stability of earth dams. The main objective of this research is to develop hybrid models based on fuzzy neural inference systems and meta-heuristic optimization algorithms. In this regard, the fuzzy neural inference system and opt...

Journal: :مدیریت شهری 0
sajjad rezaei farbod zorriassatine

no unique method has been so far specified for determining the number of neurons in hidden layers of multi-layer perceptron (mlp) neural networks used for prediction. the present research is intended to optimize the number of neurons using two meta-heuristic procedures namely genetic and hill climbing algorithms. the data used in the present research for prediction are consumption data of water...

Journal: :international journal of environmental research 2011
f. nejadkoorki s. baroutian

life style and life expectancy of inhabitants have been affected by the increase of particulate matter 10 micrometers or less in diameter (pm10) in cities and this is why maximum pm10 concentrations have received extensive attention. an early notice system for pm10 concentrations necessitates an accurate forecasting of the pollutant. in the current study an artificial neural network was used t...

Journal: :CoRR 2017
Ke Li Jitendra Malik

Learning to Optimize (Li & Malik, 2016) is a recently proposed framework for learning optimization algorithms using reinforcement learning. In this paper, we explore learning an optimization algorithm for training shallow neural nets. Such high-dimensional stochastic optimization problems present interesting challenges for existing reinforcement learning algorithms. We develop an extension that...

Journal: :Appl. Soft Comput. 2003
Manolis Papadrakakis Nikos D. Lagaros

The paper examines the efficiency of soft computing techniques in structural optimization, in particular algorithms based on evolution strategies combined with neural networks, for solving large-scale, continuous or discrete structural optimization problems. The proposed combined algorithms are implemented both in deterministic and reliability based structural optimization problems, in an effor...

2008
Qingshan Liu Jun Wang

In this paper, a one-layer recurrent neural network is proposed for solving non-smooth convex optimization problems with linear equality constraints. Comparing with the existing neural networks, the proposed neural network has simpler architecture and the number of neurons is the same as that of decision variables in the optimization problems. The global convergence of the neural network can be...

Journal: :Journal of Automation, Mobile Robotics and Intelligent Systems 2018

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