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Toplam kayıt 36, listelenen: 11-20
Application of wavelet transform to defect detection of building's structure
(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 ...
A Study on the Electromagnetic Fields in Wind Mills Farm Area
(Ieee, 2014)
This study presents the mathematical model of electromagnetic waveforms parameters which can be used for determination of the electromagnetic pollution level in windmills farm. The electromagnetic field parameters such as ...
The determination of short circuits and grounding faults in electric power systems using time-frequency analysis
(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 ...
The Defect Detection in Ceramic Materials Based on Time-Frequency Analysis by Using the Method of Impulse Noise
(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 ...
Application of Artificial Neural Networks for Defect Detection in Ceramic Materials
(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 ...
The application of instantaneous reactive power calculation methods to a real power system
(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, ...
Fault detection of washing machine with discrete wavelet methods
(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 ...
Short Term Wind Speed Forecasting with ANN in Batman, Turkey
(Kaunas Univ Technology, 2011)
T. C. Akinci. Short Term Wind Speed Forecasting with ANN in Batman, Turkey // Electronics and Electrical Engineering. Kaunas: - Technologija, 2011. - No. 1(107). - P. 41-45. In this paper, Artificial Neural Network (ANN) ...
Continuous wavelet transform for ferroresonance phenomena in electric power systems
(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 ...
System of Power Supply and Oscillating Pulse Current Synchronous Drive in Power Network
(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 ...