نتایج جستجو برای: radial basis function rbf method

تعداد نتایج: 2989289  

2012
Sufian Ashraf Mazhari

In this paper performance of Puma 560 manipulator is being compared for hybrid gradient descent and least square method learning based ANFIS controller with hybrid Genetic Algorithm and Generalized Pattern Search tuned radial basis function based Neuro-Fuzzy controller. ANFIS which is based on Takagi Sugeno type Fuzzy controller needs prior knowledge of rule base while in radial basis function ...

2006
Yuehui Chen Lizhi Peng Ajith Abraham

Hierarchical neural networks consist of multiple neural networks assembled in the form of an acyclic graph. The purpose of this study is to identify the hierarchical radial basis function neural networks and select important input features for each sub-RBF neural network automatically. Based on the pre-defined instruction/operator sets, a hierarchical RBF neural network can be created and evolv...

2010
Jan Fousek Tomas Golembiovsky Jiri Filipovic Igor Peterlík

In this paper, an extension of our previous research focused on haptic rendering based on interpolation from precomputed data is presented. The technique employs the radial-basis function (RBF) interpolation to achieve the accuracy of the force response approximation, however, it assumes that the data used by the interpolation method are generated on-the-fly during the haptic interaction. The i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1389

به منظور تخمین زمانی- مکانی مقدار بارش ماهیانه، با توجه به پیچیدگی پدیده و در دسترس نبودن اطلاعات فیزیکی کافی و عدم اطلاع دقیق از روابط و معادلات ریاضی حاکم بر مسئله، معمولاً به سراغ ارائ? مدلهای جعبه سیاه، که مستقل از پارامترهای فیزیکی موثر بر پدیده و معادلات حاکم بین آنها می باشد، باید رفت. در این پایان نامه مدلی ترکیبی و جعبه سیاه تحت عنوان ann-rbf به منظور تخمین زمانی- مکانی مقدار بارش ماهی...

2010
H. Al-Duwaish

This paper presents a new neural network based controller design for multivariable systems. The proposed controller is designed using radial basis function (RBF) neural network. Weight update equation using classical least mean square principle is derived for the RBF network. The controller generates optimal control signals abiding by constraints, if any, on the control signals. Simulation resu...

Journal: :iranian journal of materials forming 0
m. rakhshkhorshid department of mechanical engineering, birjand university of technology, pobox 97175-569, birjand, iran

abstract in this research, a radial basis function artificial neural network (rbf-ann) model was developed to predict the hot deformation flow curves of api x65 pipeline steel. the results of the developed model was compared with the results of a new phenomenological model that has recently been developed based on a power function of zener-hollomon parameter and a third order polynomial functio...

Journal: :CoRR 2010
S. M. Kamruzzaman Firoz Ahmed Siddiqi Md. Saiful Islam Md. Emdadul Haque Mohammad Shamsul Alam

This paper introduces a novel method for human face detection with its orientation by using wavelet, principle component analysis (PCA) and redial basis networks. The input image is analyzed by two-dimensional wavelet and a two-dimensional stationary wavelet. The common goals concern are the image clearance and simplification, which are parts of de-noising or compression. We applied an effectiv...

Journal: :Engineering Analysis With Boundary Elements 2021

In this paper, the elastic-plastic analysis of cantilever beam and Reinforced Concrete (RC) column-Steel (S) connection are studied using Radial Basis Function- Finite Difference (RBF-FD) method. A direct method bilinear nodes is proposed to deal with instability caused by first derivative calculation in traditional RBF-FD Based on idea gradient projection method, improved further applied multi...

1997
Aleš Leonardis Horst Bischof

We propose a method for optimizing the complexity of Radial basis function (RBF) networks. The method involves two procedures: adaptation (training) and selection. The first procedure adaptively changes the locations and the width of the basis functions and trains the linear weights. The selection procedure performs the elimination of the redundant basis functions using an objective function ba...

Journal: :Numerische Mathematik 2012
Quoc Thong Le Gia Ian H. Sloan Holger Wendland

In this paper, we discuss multiscale radial basis function collocation methods for solving certain elliptic partial differential equations on the unit sphere. The approximate solution is constructed in a multi-level fashion, each level using compactly supported radial basis functions of smaller scale on an increasingly fine mesh. Two variants of the collocation method are considered (sometimes ...

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