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Now showing items 1-20 of 76

Gender Identification Of The Speaker Using DTW Method

Yucesoy, Ergun; Nabiyev, Vasif V. (IEEE-NEW YORK, 2009)

This paper aims at automatically recognition of the gender through the speech signal being independent from the speaker. In this study it is purposed to decide the gender of the speaker by evaluating the distance of MFCC ...
Speed Sensorless Direct Torque Control of Induction Motor Drives

Aktas, Mustafa; Okumus, H. Ibrahim (TAYLOR & FRANCIS INC-PHILADELPHIA, 2009)

In this paper, a sliding mode speed observer for direct torque controlled (DTC) induction motor drives is developed. The speed observer accuracy is guaranteed through the current observer. The rotor speed is estimated by ...
Wavelet-based switching faults detection in direct torque control induction motor drives

Aktas, M.; Turkmenoglu, V. (INST ENGINEERING TECHNOLOGY-IET-HERTFORD, 2010)

This study describes a method of detection and identification of IGBT-based drive open-circuit faults in direct torque control (DTC) induction motor drives. The detection mechanism is based on wavelet decomposition. The ...
Pyrolysis of Woody Biomass for Sustainable Bio-oil

Keles, S.; Kaygusuz, K.; Akgun, M. (TAYLOR & FRANCIS INC-PHILADELPHIA, 2011)

Fast pyrolysis utilizes biomass to produce a product that is used both as an energy source and a feedstock for chemical production. Considerable efforts have been made to convert wood biomass to liquid fuels and chemicals ...
The vortex effect of Francis turbine in electric power generation

Turkmenoglu, Veli (Tubitak Scientific & Technological Research Council Turkey-ANKARA, 2013)

In this study, the vibration effects of a vortex that occurred in high-head Francis turbines and an alternator are examined. The vortex effect, which directly affects the efficiency and the quality of the energy, was tested ...
ENERGETIC AND EXERGETIC COMPARISON OF AIR TO AIR AND AIR TO WATER HEAT PUMPS ACCORDING TO EVAPORATOR CONDITIONS

Comakli, Kemal; UgurCakir; Sahin, Erol; Kus, Aysegul Cokgez (UNIV MALAYSIA PAHANG-PAHANG, 2013)

This paper presents an experimental energetic and exergetic comparison for a heat pump system that can be run in different modes as air to air and air to water. Components of the heat pump do not change when the running ...
Gender Identification Of A Speaker From Voice Source

Yucesoy, Ergun; Nabiyev, Vasif V. (IEEE-NEW YORK, 2013)

There are close relationship between physiological properties of glottis and vocal tract and the age and gender of a speaker. Since physiological changes in glottis and vocal tract affects the voice of a speaker, the ...
Effect of iron fertilization on nut traits and nutrient composition of 'Tombul' hazelnut (Corylus avellana L.) and its potential value for human nutrition

Ozenc, Nedim; Ozenc, Damla Bender (TAYLOR & FRANCIS AS-OSLO, 2014)

Iron (Fe) is an essential element for plants and its deficiency is a well-documented problem, causing decreased yields and nutritional quality. An orchard experiment was carried out to investigate the effect of iron ...
Nutritional composition of hazelnut (Corylus avellana L.) as influenced by basic fertilization

Ozenc, Nedim; Ozenc, Damla Bender; Duyar, Omur (TAYLOR & FRANCIS AS-OSLO, 2014)

Nitrogen (N), phosphorus (P), and potassium (K) deficiencies are a widespread phenomenon throughout the world, and are one of the most common nutritional disorders in Turkish hazelnut (Corylus avellana L.) cultivation. In ...
Effect to Long Term and Short Term Memory Behaviour of Structural Changes in Dendritic Spine

Turan, Ahmet; Kayikcioglu, Temel (IEEE-NEW YORK, 2014)

From recent studies; synaptic communication formed by the action of structural changes to the spine, is considered to represent the basis for learning mechanisms. Dendritic spine in biological studies, structural changes ...
Effect of eccentricity on melting behavior of paraffin in a horizontal tube-in-shell storage unit: An experimental study

Yazici, M. Yusuf; Avci, Mete; Aydin, Orhan; Akgun, Mithat (PERGAMON-ELSEVIER SCIENCE LTD-OXFORD, 2014)

In this study, melting behavior of paraffin in a horizontal shell-and-tube type-storage unit is experimentally studied. Both the concentric and eccentric orientations of the inner tube according the center of the outer ...
Neuronal Motifs of Long Term and Short Term Memory Functions

Turan, Ahmet; Kayikcioglu, Temel (IEEE-NEW YORK, 2014)

With the help of the models created and in the light of experimental studies, it is tried to understand the biological networks of memory structures and their motifs which is the basic building block of them. These are ...
Relation of ABO-Blood Groups with Angiographic Thrombus Burden in Patients with STEMI

Topcu, S.; Kaya, A.; Kalkan, K.; Lazoglu, Z.; Bakirci, E. M.; Avsar, Z.; Tanboga, I. H. (EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC-BRIDGEWATER, 2014)
The Modelling Study for Potassium Fertilizer Requirements in Hazelnut (Corylus avellana L.)

Ozenc, Nedim (UNIV AGR SCI & VETERINARY MED CLUJ-NAPOCA-CLUJ-NAPOCA, 2014)

Potassium is probably the second most important nutrient in hazelnuts (Corylus avellana L.) and an adequate supply of potassium is required for the maximum yield and nuts with high quality. The available amount of this ...
Comparison of MFCC, LPCC and PLP Features for The Determination of a Speaker's Gender

Yucesoy, Ergun; Nabiyev, Vasif V. (IEEE-NEW YORK, 2014)

Gender information is a distinctive and the most important property in a speech. Determination of this information from a speech signal is a substantial subject. Gender information used for various purposes in many ...
Design of an assistant robot for alignment of fractured bones in medical operations

Cakiroglu, M. Selim; Sancaktar, Idris; Ulutas, Mustafa; Ertas, A. H. (TAYLOR & FRANCIS LTD-ABINGDON, 2014)
On the effect of eccentricity of a horizontal tube-in-shell storage unit on solidification of a PCM

Yazici, Mustafa Yusuf; Avci, Mete; Aydin, Orhan; Akgun, Mithat (PERGAMON-ELSEVIER SCIENCE LTD-OXFORD, 2014)

Solidification characteristics of paraffin in a horizontal shell-and-tube type-storage system are investigated experimentally. The inlet temperature and the mass flow rate of the heat transfer fluid (HTF) are kept constant. ...
Age and Gender Recognition of a Speaker from Short-duration Phone Conversations

Yucesoy, Ergun; Nabiyev, Vasif V. (IEEE-NEW YORK, 2015)

In this study, a system is suggested that is classifying phone conversations having an average length of one second into three categories according to the age and/or gender properties of speakers. In the study where SVM ...
Soft Set-Based Switching Faults Decision Making in DTC Induction Motor Drives

Turkmenoglu, Veli; Aktas, Mustafa; Karatas, Serkan; Okumus, Halil Ibrahim (WORLD SCIENTIFIC PUBL CO PTE LTD-SINGAPORE, 2015)

This paper introduces a method for detection and identification of IGBT-based drive open-circuit fault of DTC induction motor drives. The detection mechanism is based on soft set theory and wavelet decomposition, if it is ...
The effects of different nitrogen and phosphorus doses on essential oil components of some Mentha genotypes

Yesil, Meryem; Kara, Kemalettin (Tubitak Scientific & Technological Research Council Turkey-ANKARA, 2016)

The present study was conducted in Erzurum during the years 2010 and 2011 to determine the effects of different nitrogen and phosphorus doses on essential oil components of spearmint genotypes (Mentha spicata L. and Mentha ...

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