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Makale Koleksiyonu
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Browsing Makale Koleksiyonu by Issue Date

Browsing Makale Koleksiyonu by Issue Date

Now showing items 1-20 of 195

Influence of porosity characteristics in MgO.ZrO2-GG coating subjected to thermal loading

Mimaroğlu, Abdullah; Kocabıçak, Ümit (ELSEVIER SCI LTD, 1997)

In this investigation, coupled (thermal and structure) finite-element analysis has been employed to analyse the influences of porosity volume, size and distribution in MgO.ZrO2-GG coating subjected to thermal loading. ...
Comparison of the developed thermal stresses in Al2O3-SG, ZrO2-12%Si+Al and ZrO2-SG coating systems subjected to thermal loading

Kocabıçak, Ümit; Mimaroğlu, Abdullah; Sarıkaya, Özkan; Mete, Osman Hamdi (ELSEVIER SCI LTD, 1999)

In this investigation, thermal and structure finite element analysis has been employed to analyse the thermal stresses developed in Al2O3-SG, ZrO2-12%Si + Al and ZrO2-SG coatings subjected to thermal loading. Systems with ...
Numerical analysis of wheel cornering fatigue tests

Kocabıçak, Ümit; Fırat, Mehmet (PERGAMON-ELSEVIER SCIENCE LTD, 2001)

In automotive engineering, the wheels are one of the most critical components and their function is of vital importance n human safety. The cornering fatigue test is one of the traditional durability tests for wheel prototype ...
Lecture Notes in Computer Science

Yumuşak, Nejat; Öz, Cemil; Temurtaş, Feyzullah; Temurtas, H (Springer-Verlag Berlin, 2003)

In this study, the application of the single input single output (SISO) neural generalized predictive control (NGPC) and SISO generalized predictive control (GPC) of a three joint robotic manipulator are presented. The ...
The determination of the stability regions and sequential transient stability analysis of integrated AC-DC power system consisting of bipolar DC lines via the controlling unstable equilibrium points

Ayan, Kürşat; Arifoğlu, Uğur (VDE VERLAG GMBH, 2003)

In this paper, a sequential transient stability analysis of an integrated AC-DC power system consisting of bipolar MTDC is accomplished by taking into account the variation of the amplitude of the bus voltages during ...
Power flow state estimator using two-layer neural network structure

Ayan, Kürşat; Arifoğlu, Uğur (Elsevier Science SA, 2004)

This paper is devoted to the development of a neural network structure which implements the line,power flow state estimator algorithm for solving the set of nonlinear equations of power system automatic generation control ...
A simple approach for multiaxial fatigue damage prediction based on FEM post-processing

Kocabıçak, Ümit; Fırat, Mehmet (ELSEVIER SCI LTD, 2004)

A simple methodology to predict crack initiation life is described in the fatigue damage assessment of metallic structures typically used in ground vehicle industry. A phenomenological constitutive model is integrated with ...
Design, implementation and performance analysis of the PROFIBUS/ATM Local Bridge

Özçelik, İbrahim; Ekiz, Hüseyin (Elsevier Science Bv, 2004)

PROcess Field BUS (PROFIBUS) has successfully proven itself in many thousands of applications in production, building and process automation. ATM LAN is a recently developed technology, and it is believed to be the ideal ...
Analytical durability modeling and evaluation - complementary techniques for physical testing of automotive components

Fırat, Mehmet; Kocabıçak, Ümit (PERGAMON-ELSEVIER SCIENCE LTD, 2004)

As a result of the commercial pressure new methods of durability evaluation have to be explored, automotive suppliers are now being asked to develop new components and subsystems in shorter times and using fewer physical ...
LECTURE NOTES IN COMPUTER SCIENCE

Temurtaş, Feyzullah; Yumuşak, Nejat (SPRINGER-VERLAG BERLIN, 2004)

In this study, an artificial neural network (ANN) structure with tapped time:delays is used for the concentration estimation of Toluene gas inside the sensor response time by using the transient sensor response. The Quartz ...
A study of neural network based inverse kinematics solution for a three-joint robot

Köker, Raşit; Öz, Cemil; Çakar, Tarık; Ekiz, Hüseyin (ELSEVIER SCIENCE BV, 2004)

A neural network based inverse kinematics solution of a robotic manipulator is presented in this paper. Inverse kinematics problem is generally more complex for robotic manipulators. Many traditional solutions such as ...
Harmonic detection using feed forward and recurrent neural networks for active filters

Yumuşak, Nejat; Temurtaş, Feyzullah (ELSEVIER SCIENCE SA, 2004)

In this study, the methods to apply the feed forward and Elman's recurrent neural networks for harmonic detection process in active filter are described. Generally, Fourier transformation is used to analyze a distorted ...
Lecture Notes in Computer Science

Yumuşak, Nejat (SPRINGER-VERLAG BERLIN, 2005)

Support Vector Machines (SVMs) have been successfully applied to solve a large number of classification and regression problems. However, SVMs suffer from the catastrophic forgetting phenomenon, which results in loss of ...
A study on quantitative classification of binary gas mixture using neural networks and adaptive neuro-fuzzy inference systems

Gülbağ, Ali; Temurtaş, Feyzullah (ELSEVIER SCIENCE SA, 2006)

In this study, the feed forward neural networks (FFNNs) were applied and an adaptive neuro-fuzzy inference system (ANFIS) was proposed for quantitative identification of individual gas concentrations (trichloroethylene and ...
American sign language recognition using multi-dimensional hidden Markov models

Öz, Cemil (INST INFORMATION SCIENCE, 2006)

An American Sign Language (ASL) recognition system developed based on multidimensional Hidden Markov Models (HMM) is presented in this paper. A Cyberglove (TM) sensory glove and a Flock of Birdso motion tracker are used ...
Application of neural generalized predictive control to robotic manipulators with a cubic trajectory and random disturbances

Yumuşak, Nejat; Temurtaş, Feyzullah (ELSEVIER SCIENCE BV, 2006)

In this study, a single-input single-output (SISO) neural generalized predictive control (NGPC) was applied to a three-joint robotic manipulator with a cubic trajectory and random disturbances. The SISO generalized predictive ...
A study on radial basis function neural network size reduction for quantitative identification of individual gas concentrations in their gas mixtures

Gülbağ, Ali; Temurtaş, Feyzullah (ELSEVIER SCIENCE SA, 2007)

In this study, the multilayer neural networks (MLNNs) with sigmoid hidden layers and radial basis function neural networks (RBFNNs) were compared for quantitative identification of individual gas concentrations in their ...
A study on transient and steady state sensor data for identification of individual gas concentrations in their gas mixtures

Gülbağ, Ali; Temurtaş, Feyzullah (ELSEVIER SCIENCE SA, 2007)

In this study, a comparative study was performed for the quantitative identification of individual gas concentrations (trichloroethylene and acetone) in their gas mixtures using transient and steady state sensor responses. ...
Linguistic properties based on American Sign Language isolated word recognition with artificial neural networks using a sensory glove and motion tracker

Öz, Cemil (ELSEVIER SCIENCE BV, 2007)

Sign language (SL), which is a highly visual-spatial, linguistically complete, and natural language, is the main mode of communication among deaf people. Described in this paper are two different American Sign Language ...
Building an interconnection between PROFIBUS and ATM networks

Özçelik, İbrahim; Ekiz, Hüseyin (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2007)

In this paper, a method describing connection between PROcess Field BUS (PROFIBUS) and asynchronous transfer mode (ATM) systems is presented. The proposed method reveals the usage of ATM at the cell level of the CIM ...