Yazar "Akıncı, Tahir Çetin" için listeleme
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653. Condition monitoring with signal processing in wind turbines
Renewable energy sources will come at the beginning of the future energy resources. In particular, wind power is among the most discussed sources in Turkey and all over the world. In this study, a model of the three-blade ... -
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 ... -
Analysis of wind turbine blade deformation with STFT method
Neşe, Secil Varbak; Kılıç, Osman; Akıncı, Tahir Çetin (Sila Science, 2012)This study is intended for investigating electrical and mechanical faults of electro-mechanical systems in wind turbine. In the study, generator rotor speed, generator torque and gear torque occurred as a result of possible ... -
Analysis with Remote Sensing of Vibration on Induction Machine
Akıncı, Tahir Çetin; Yılmaz, Özgür (Kaunas Univ Technology Press, 2011)In this study, vibration data of a small and powerful asynchronous motor were obtained with a laser Doppler vibrometer (LDV). Obtained data were analyzed with Fourier analysis method. The application method had an important ... -
Application of Artificial Neural Networks for Defect Detection in Ceramic Materials
Akıncı, Tahir Çetin; Noğay, Hıdır Selçuk; Yılmaz, Özgür (Polska Akad Nauk, Polish Acad Sciences, Inst Fundamental Tech Res Pas, 2012)In this study, an artificial neural network application was performed to tell if 18 plates of the same material in different shapes and sizes were cracked or not. The cracks in the cracked plates were of different depth ... -
Application of artificial neural networks for short term wind speed forecasting in Mardin, Turkey
Noğay, Hıdır Selçuk; Akıncı, Tahir Çetin; Eidukeviciute, Marija (Univ Cape Town, Energy Res Centre, 2012)Artificial neural network models were used for short term wind speed forecasting in the Mardin area, located in the Southeast Anatolia region of Turkey. Using data that was obtained from the State Meteorological Service ... -
The application of instantaneous reactive power calculation methods to a real power system
Yumurtaci, Mehmet; Gökmen, Gökhan; Kılıç, Osman; Akıncı, Tahir Çetin (Sila Science, 2012)Many calculation methods have been developed to calculate the reactive power used in energy transmission lines. In this study; preferred instantaneous power calculation techniques such as instantaneous orthogonal currents, ... -
Application of wavelet transform to defect detection of building's structure
Volkovas, V.; Eidukeviciute, M.; Noğay, Hıdır Selçuk; Akıncı, Tahir Çetin (Kaunas Univ Technol, 2012)Various methods can be used to detect the defects of structures. In this paper wavelet transform method is used. Continuous wavelet transform (CWT) is applied to vibration signal analysis of building's construction with ... -
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 ... -
Condition monitoring with signal processing in wind turbines
Neşe, Secil Varbak; Kılıç, Osman; Akıncı, Tahir Çetin (Jve Int Ltd, 2011)Renewable energy sources will come at the beginning of the future energy resources. In particular, wind power is among the most discussed sources in Turkey and all over the world. In this study, a model of the three-blade ... -
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 Time-Frequency Analysis by Using the Method of Impulse Noise
Akıncı, Tahir Çetin (Polish Acad Sciences Inst Fundamental Technological Research, 2011)In this study, it was achieved by using the method of impulse noise to detect internal or surface cracks that can occur in the production of ceramic plates. 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 Ferroresonance Phenomenon for the west Anatolian Electric Power Network in Turkey
Akıncı, Tahir Çetin; Ekren, Nazmi (2011)Ferroresonance is an electrical phenomenon in nonlinear character, which frequently occurs in power systems containing saturable transformers and single or more phase switching on the lines for the disjunction of the loads. ... -
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 ... -
Determination of effect of slot form on slot leakage flux at rotating electrical machines by the method of artificial neural networks
Noğay, Hıdır Selçuk; Akıncı, Tahir Çetin; Guseinoviene, Eleonora (Sila Science, 2012)In this study, first of all, for the one-layered winding form of the rotating electrical machines, self-induction coefficient of slot leakage has been calculated according to varying forms of slot. Given the differences ... -
Determination of Optimum Operation Cases in Electric Arc Welding Machine Using Neural Network
With arc welding machines, welding is only performed at optimum operating points. Determination of optimum operating points is important so as for welding machines which will be produced in future to be developed in a ... -
The determination of short circuits and grounding faults in electric power systems using time-frequency analysis
Esen, Vedat; Oral, Bülent; Akıncı, Tahir Çetin (Univ Cape Town, Energy Res Centre, 2015)In order to ensure that electrical energy reaches consumers uninterrupted, researchers constantly try to improve power transmission lines. To realize this improvement, probable faults should be analysed through every known ...
