Browsing Fakülteler by Author "Şeker, Serhat"
Now showing items 1-16 of 16
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A Neuro Detector Based on the Cybernetic Concepts for Fault Detection in Electric Motors
In this study, an auto-associative neural network (AANN) is designed as a fault detector using the cybernetic concepts. In this sense, an artificial neural network structure is connected with a finite state system or a ... -
Analysis of Vibration data at Properly Working Washing Machine with Time-Frequency Method
Akıncı, Tahir Çetin; Karabeyoğlu, Sencer Süreyya; Yılmaz, Özgür; Guseineyiene, E.; Şeker, Serhat (Kaunas Univ Technology Press, 2013)In this study, the vibration analysis of the properly working washing machine and the washing machine having axial disturbance were made. The received data from analysed machine were processed for spectrum analyses through ... -
Coherence analysis between hydrogen flow and electricity current in fuel cells
Akıncı, Tahir Çetin; Dursun, Erkan; Şeker, Serhat; Kılıç, Osman (Sila Science, 2012)In this study the spectral properties of the hydrogen flow and electricity current data which are collected from a fuel cell system are extracted. The electricity current of the fuel cell system is in the DC character ... -
Continuous wavelet transform for ferroresonance phenomena in electric power systems
Akıncı, Tahir Çetin; Ekren, Nazmi; Şeker, Serhat; Yıldırım, Sezen (Elsevier Sci Ltd, 2013)The common characteristics of a nonlinear system are multiple equilibrium points, limit cycles, jump resonance and sub-harmonic generation. Ferroresonance is also a nonlinear electrical phenomenon, which occurs frequently ... -
Defect Detection for Ceramic Materials by Continuous Wavelet Analysis
Akıncı, Tahir Çetin; Yılmaz, Özgür; Kaynas, T.; Özgiray, M.; Şeker, Serhat (Kaunas Univ Technology Press, 2011)In this study, it is achieved to detect internal or surface cracks that can occur in the production of ceramic plates by using the method of impulse noise. Ceramic materials are often used in the industry especially as ... -
The defect detection in ceramic materials based on wavelet analysis by using the method of impulse noise
Akgün, Ömer; Akıncı, Tahir Çetin; Noğay, Hıdır Selçuk; Şeker, Serhat (Jve Int Ltd, 2013)In this experimental study, it was achieved to detect internal or surface cracks that can occur in the production of ceramic plates by using the method of impulse noise. This method is a test technique which was not used ... -
Detection of the Deformations in Ceramic Plates with Coherence Analysis and Transfer Function Model
Akıncı, Tahir Çetin; Ayaz, E.; Şeker, Serhat (Kaunas Univ Technology Press, 2015)In this study, in order to detect the deformation in ceramic plates, a new measurement method has been identified. In the measurement system, exerting impact on the ceramic plates that have the same features and size, sound ... -
Fault detection of washing machine with discrete wavelet methods
Akıncı, Tahir Çetin; Karabeyoğlu, Sencer Süreyya; Yılmaz, Özgür; Şeker, Serhat (Kaunas Univ Technol, 2014)In the last decade, a new mathematical method has allowed scientists and engineers to view the details of time varying and transient phenomena that are not possible through conventional tools. This invention, called wavelet ... -
A neuro-detector based on the cybernetic concepts for fault detection in electric motors
Şeker, Serhat; Onal, Emel; Kaynas, Tayfun; Akıncı, Tahir Çetin (Jve Int Ltd, 2011)In this study, an auto-associative neural network (AANN) is designed as a fault detector using the cybernetic concepts. In this sense, an artificial neural network structure is connected with a finite state system or a ... -
Reverse Power Data Analysis and Feature Extraction Based Upon Continuous Wavelet Transform for Electric Power Plants
This study is focused on the investigating of a power plant generator in reverse power condition. For this purpose, reverse power data were collected from a Combined Heat and Power Plant generator protection relay. The ... -
Spectral Analysis for Current and Temperature Measurements in Power Cables
This research aims to detect spectral properties under thermal and current variations for power cables. Therefore, spectral diversities are exposed under current unbalances and different load conditions through the ... -
Spectral and Statistical Analysis for Ceramic Plate Specimens Subjected to Impact
Akıncı, Tahir Çetin; Şeker, Serhat; Gürbüz, Rıza; Guseinoviene, Eleonora (Trans Tech Publications Ltd, 2013)In this study, ceramic plate behaviour was elaborated on the basis at sound signal variations caused by the impact. All tests were performed using plate specimens and pendulum testing station; with date acquisition and ... -
Spectral and statistical analysis for ferroresonance phenomenon in electric power systems
Şeker, Serhat; Akıncı, Tahir Çetin; Taşkın, Sezai (Springer, 2012)This study presents our findings on the ferroresonance phenomenon for the Seyitomer-Isiklar part of the Electric Power System of 380 kV in Turkey. In this context, the power spectral density approach and Short-Time Fourier ... -
Statistical Analysis and Hurst Parameter Estimation for Wind Speed in Kirklareli Area of Turkey
Akıncı, Tahir Çetin; Şeker, Serhat; Guseinoviene, Eleonora; Nayır, Ahmet (Ieee, 2013)In this study, a wind speed data of the Klrklareli region of Turkey is considered and Hurst parameter is calculated for this data. For this purpose at first statistical parameters of the wind speed data are calculated. ... -
Statistical and Continuous Wavelet Analysis of Wind Speed Data in Mardin-Turkey
Guseinoviene, Eleonora; Senulis, Audrius; Akıncı, Tahir Çetin; Şeker, Serhat (Ieee, 2014)In this paper, wind speed measurements are considered for Mardin region in Turkey. Mardin city is situated in East part of Turkey. Mardin is a mountainous area suitable for wind. And also, its wind energy potential is at ... -
System of Power Supply and Oscillating Pulse Current Synchronous Drive in Power Network
Jankunas, V.; Senulis, A.; Guseinoviene, Eleonora.; Şeker, Serhat; Akıncı, Tahir Çetin (Ieee, 2014)There are a number of electrical drives with oscillatory driven mechanisms. As a result it is possible to use oscillating movement electrical drives there. These drives create ineligible reactive power, therefore it is ...