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Browsing Elektrik - Elektronik Mühendisliği / Electrical and Electronics Engineering by Subject

Browsing Elektrik - Elektronik Mühendisliği / Electrical and Electronics Engineering by Subject "Science & Technology - Other Topics"

Now showing items 1-11 of 25

An alternative approach for calculation/measurement of fundamental powers based on wavelet packet transform

Vatansever, Fahri; Özdemir, Ayhan; Özdemir, Abdil (ACADEMIC JOURNALS, 2009)

In order to calculate/measure the fundamental harmonic power values, the wavelet transform based methods have been proposed in the literature. However, the fundamental harmonic of voltage and cur-rent signals cannot be ...
Behaviour of embedded generation during the voltage sags in distribution networks

Yanıkoğlu, Ertan (ACADEMIC JOURNALS, 2009)

In recent years, using of small generators connected to distribution networks has been increaseingly preferred to supply local loads. They are called embedded or distributed generators because of they are connected to ...
Chaotic oscillator design and realizations of the Rucklidge attractor and its synchronization and masking simulations

Pehlivan, İhsan; Uyaroğlu, Yılmaz (ACADEMIC JOURNALS, 2010)

In this paper, Rucklidge attractor's chaotic oscillator, synchronization and masking communication circuits were designed and simulated. The electronic circuit oscilloscope outputs of the realized Rucklidge system is also ...
Control of Rabinovich chaotic system based on passive control

Emiroğlu, Selçuk; Uyaroğlu, Yılmaz (ACADEMIC JOURNALS, 2010)

This paper discusses the control of three-dimensional continuous Rabinovich attractor by using passive control technique. Based on the property of the passive system, the passive controller is designed and this controller ...
DETECTION OF P- AND S-WAVE ARRIVAL TIMES USING THE DISCRETE WAVELET TRANSFORM IN REAL SEISMOGRAMS

Arman, Hasan; Çerezci, Osman (KING FAHD UNIV PETROLEUM MINERALS, 2009)

In this study, a novel solution based on discrete wavelet transform is introduced to determine P- and S-wave arrival times. An algorithm is developed based on changes in frequencies and energy in high frequency bands. ...
Effects of power quality on manufacturing costs in textile industry

Yanıkoğlu, Ertan; Bayrak, Mehmet (ACADEMIC JOURNALS, 2009)

This paper reports the effect of electrical power quality on textile industry. For this purpose, power quality measurements have been done for six months in two different sectors of textile industry. All parameters affecting ...
Environmental life cycle analysis of a fixed PV energy system and a two-axis sun tracking PV energy system in a low-energy house in Turkey

Aksoy Tırmıkçı, Ceyda; Yavuz, Cenk (EMERALD GROUP PUBLISHING LTD, 2019)

Purpose The purpose of this paper is to propose a fixed PV energy system design and a sun tracking PV energy system design to meet the primitive energy demands of a typical house in Sakarya, Turkey with energy payback times ...
Estimation of the Presence of Coal Using ANN Method by Employing the Geophysical Log Parameters at the Soma Basin

Karavul, Can; Hamza Karaman; A. Serhat Demir; Demirkol, Aşkın (NATL ACAD SCIENCES INDIA, 2016)

In this study, the feed forward, back propagation neural network model (ANN), used as one of the complex modeling systems and artificial intelligence methods, have been employed to estimate the presence of a coal layer at ...
Investigation of critical bus values in electric power system using simulated annealing and Tabu search algorithms

Yalçın, Mehmet Ali; Öztürk, Ali (ACADEMIC JOURNALS, 2010)

The critical values of a power system are the limit values of voltage stability. These are: the values of the highest active power that load busses can take and the values of voltage amplitude and angle of the busses in ...
Magnetic and electrical resistivity image survey in a buried Adramytteion ancient city in Western Anatolia, Turkey

Karavul, Can; Keskinsezer, Ayhan; Beyhan, Günay; Demirkol, Aşkın (ACADEMIC JOURNALS, 2010)

This paper examines a buried Adramytteion ancient city in the Balikesir-Burhaniye-Oren district located in the Western Anatolian region of Turkey. In this research, the some ruins in Adramytteion with the different properties ...
On the design of low-frequency filters using CMOS OTAs operating in the subthreshold region

Düzenli, Gürsel (ELSEVIER ADVANCED TECHNOLOGY, 1999)

Design considerations on a circuit technique based on subthreshold operation of MOS transistors is described for the realization of low-frequency OTA-C active filters with small capacitance values of the order of 25-400 ...