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Browsing Yazılım Mühendisliği / Software Engineering by Title

Browsing Yazılım Mühendisliği / Software Engineering by Title

Now showing items 1-20 of 47

A method for the Computational Frequency Sweep Analysis of Nonlinear ODEs using GPU Acceleration

Akgün, Devrim; Ilyas Cankaya; Sezgin Kacar (TAYLOR & FRANCIS LTD, 2019)

Computational sweep analysis of nonlinear ODEs (ordinary differential equations) is of importance in engineering system analysis and design. Sweep analyses usually demand intense computational power according to the number ...
A new chaotic system with hidden attractor and its engineering applications: analog circuit realization and image encryption

Çavuşoğlu, Ünal; Shirin Panahi; Akgül, Akif; Sajad Jafari; Sezgin Kacar (SPRINGER, 2019)

In this article a simple chaotic flow with hidden attractor is proposed. Various dynamics of this new system such as periodic and chaotic oscillations can be achieved by setting bifurcation parameters in a proper value. ...
A new hybrid approach for intrusion detection using machine learning methods

Çavuşoğlu, Ünal (SPRINGER, 2019)

In this study, a hybrid and layered Intrusion Detection System (IDS) is proposed that uses a combination of different machine learning and feature selection techniques to provide high performance intrusion detection in ...
A Novel Chaotic System With Boomerang-Shaped Equilibrium, Its Circuit Implementation and Application to Sound Encryption

Saleh Mobayen; Sundarapandian Vaidyanathan; Aceng Sambas; Sezgin Kacar; Çavuşoğlu, Ünal (SPRINGER INTERNATIONAL PUBLISHING AG, 2019)

In the chaos literature, there has been much attention paid to chaotic systems with uncountable equilibrium points such as systems with line equilibrium, curve equilibrium. This paper reports a 3-D chaotic system with a ...
A Novel Hypogenetic Chaotic Jerk System: Modeling, Circuit Implementation, and Its Application

; Jiancheng Liu; Karthikeyan Rajagopal; Tengfei Lei; Kaçar, Sezgin; Arıcıoğlu, Burak; Çavuşoğlu, Ünal; Kökçam, Abdullah Hulusi; Anitha Karthikeyan (HINDAWI LTD, 2020)

When revising the polarity and amplitude information in the feedback, a unique hypogenetic jerk system was obtained which has two controllers to switch the equilibria between stable and unstable. After providing some basic ...
A NOVEL S-BOX DESIGN ALGORITHM AND FUZZY-PID CONTROLLER DESIGN FOR A 5-D BURKE-SHAW SYSTEM WITH HIDDEN HYPERCHAOS

Qingxia Ma; Wenqiang Luo; Hadi Jahanshahi; Çavuşoğlu, Ünal; Kif Akgul; Xianguang Lin (ACTA PRESS, 2019)

This paper presents a new S-Box design algorithm of hidden hyperchaos in a 5-D hyperchaotic Burke-Shaw system, which is obtained by adding feedback controllers to the classic Burke-Shaw system. Of particular interest is ...
A practical parallel implementation for TDLMS image filter on multi-core processor

Akgün, Devrim (SPRINGER HEIDELBERG, 2017)

In this study, parallel implementation of adaptive image filtering algorithm based on two-dimensional least mean square method (TDLMS) where the weights are continuously adjusted during filtering was realized by proposed ...
A real-time virtual sculpting application by using an optimized hash-based octree

Çit, Gülüzar; Ayar, Kayhan; Öz, Cemil (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2016)

Creation durations of a traditional octree, a hash-based octree, and our optimized hash-based octree are compared. Tree traversal and surface reconstruction times of our optimized hash-based octree approach are also compared ...
A software tool development study for solar energy potential analysis

Kaynak, Sümeyye; Kaynak, Baran; Özmen, Ahmet (ELSEVIER SCIENCE SA, 2018)

Analysis of solar radiation on buildings at the urban or individual scale has an important share in the formation of a sustainable environment. The accuracy of solar radiation analysis in buildings depends on the holistic ...
A study on the development of a compensation method for humidity effect in QCM sensor responses

Mumyakmaz, Bekir; Özmen, Ahmet; Ebeoglu, Mehmet A.; Cihat Tasaltin; Ilke Gurol (ELSEVIER SCIENCE SA, 2010)

In this study, humidity influence on quartz crystal microbalance (QCM) sensor responses during gas applications is investigated. The goal is to search a compensation method to remove humidity influence over the QCM sensor ...
A switchable approach to large object allocation in real-time Java

Şahin, Veysel Harun; Kocabıçak, Ümit (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2016)

Over the last 20 years object-oriented programming languages and managed run-times like Java have been very popular because of their software engineering benefits. Despite their popularity in many application areas, they ...
A symbolic algorithm for the automatic computation of multitone-input harmonic balance equations for nonlinear systems

Akgün, Devrim; Çankaya, İlyas (SPRINGER, 2009)

A symbolic algorithm is developed for the automatic generation of harmonic balance equations for multitone input for a class of nonlinear differential systems with polynomial nonlinearities. Generalized expressions are ...
A template-based code generator for web applications

; Burak Uyanik; Şahin, Veysel Harun (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2020)

The importance and usage of web applications grow every day. Today from small businesses to large-scale corporations, many institutions prefer web applications for both their internal and external services. Code size and ...
Accelerated method for the optimization of quadratic image filter

Akgün, Devrim (IS&T & SPIE, 2019)

Quadratic image filter involves the second-order multiplications of an input image mask in addition to linear terms, and determining the weights of the quadratic filter using optimization methods requires intense computational ...
An Accelerated Method for Determining the Weights of Quadratic Image Filters

Suleyman Uzun; Akgün, Devrim (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018)

Quadratic filters are usually more successful than linear filters in dealing with nonlinear noise characteristics. However, determining the proper weights for the success of quadratic filters is not straightforward as in ...
An entropy-based algorithm for data elimination in time-driven software instrumentation

Özmen, Ahmet (ELSEVIER SCIENCE INC, 2009)

While monitoring, instrumented long running parallel applications generate huge amount of instrumentation data. Processing and storing this data incurs overhead, and perturbs the execution. A technique that eliminates ...
An exponential jerk system, its fractional-order form with dynamical analysis and engineering application

; Karthikeyan Rajagopal; Akgül, Akif; Sajad Jafari; Anitha Karthikeyan; Çavuşoğlu, Ünal; Kaçar, Sezgin (SPRINGER, 2020)

A simple jerk system with only one exponential nonlinearity is proposed and discussed. Dynamic analysis of the integer-order jerk system shows the existence of chaotic oscillations. A model for the fractional-order jerk ...
An Exponential Jerk System: Circuit Realization, Fractional Order and Time Delayed Form with Dynamical Analysis and Its Engineering Application

Karthikeyan Rajagopal; Akgül, Akif; Sajad Jafari; Anitha Karthikeyan; Çavuşoğlu, Ünal; Sezgin Kacar (WORLD SCIENTIFIC PUBL CO PTE LTD, 2019)

Simple dynamical systems are of interest always. In this paper, we propose a simple jerk system with one exponential nonlinearity. Dynamical properties of the proposed system are investigated. To show the practical ...
Anesthetic level prediction using a QCM based E-Nose

H. M. Saraoglu; Özmen, Ahmet; M. A. Ebeoglu (SPRINGER, 2008)
Building segmentation with Inception-Unet and classical methods

Delibaşoğlu, İbrahim; Çetin, Müfit (IEEE, 2020-10-07)

Remote sensing studies for automatic detection of buildings in urban areas have become important with the increase in spatial resolution of satellite images. Many classical image processing based methods have been proposed ...