• Synthesis of a Fe3O4/paa-based magnetic fluid for Faraday-rotation measurements 

  Küçükdermenci, Serhat; Kutluay, Deniz; Avgin, Ibrahim (Inst Za Kovinske Materiale I In Tehnologie, 2013)

  Highly water-soluble Fe3O4/PAA (polyacrylic acid) nanoparticles (NPs) were synthesized with the high-temperature hydrolysis method. We report the first demonstration of Faraday rotation (FR) for a magnetic fluid (MF) ...

• A current decomposition-based method for computationally efficient implementation of power resolution meters in non-sinusoidal single-phase systems 

  Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (Polska Akad Nauk, 2013)

  For non-sinusoidal single-phase systems, the classical apparent power has been divided into various components using different techniques. These power resolutions generally aim at to provide a tool for the accurate ...

• W doped SnO2 growth via sol-gel routes and characterization: Nanocubes 

  Keskenler, Eyüp Fahri; Turgut, Güven; Aydın, Serdar; Doğan, Seydi (Elsevier Gmbh, 2013)

  The effects of W doping on the characteristical properties of SnO2 thin films prepared by sol-gel spin coating method were investigated. The SnO2 thin films were deposited at various W doping ratios and characterized by ...

• The effect of fluorine and tungsten co-doping on optical, electrical and structural properties of tin (IV) oxide thin films prepared by solgel spin coating method 

  Keskenler, Eyüp Fahri; Turgut, Güven; Aydın, Serdar; Doğan, Seydi; Düzgün, Bahattin (Technical Univ Wroclaw, 2013)

  Fluorine and tungsten co-doped tin(IV) oxide (WFTO) thin films have been prepared first time by a sol gel spin coating method. The effect of F and W co-dopant ratio on optical, electrical and structural properties of SnO2 ...

• Growth and characterization of Ag/n-ZnO/p-Si/Al heterojunction diode by sol-gel spin technique 

  Keskenler, Eyüp Fahri; Tomakin, Murat; Doǧan, Seydi; Turgut, Güven; Aydın, Serdar; Duman, Songül; Gürbulak, Bekir (Elsevier Science Bv, 2013)

  Polycrystalline ZnO thin film was obtained on the p-Si for the heterojunction diode fabrication by sol-gel method. X-ray diffraction study showed that the texture of the film is hexagonal with a strong (002) preferred ...

• An investigation of the Nb doping effect on structural, morphological, electrical and optical properties of spray deposited F doped SnO2 films( 

  Turgut, Güven; Keskenler, Eyüp Fahri; Aydın, Serdar; Yılmaz, Mehmet; Doğan, Seydi; Düzgün, Bahattin (Iop Publishing Ltd, 2013)

  F and Nb + F co-doped SnO2 thin films were deposited on glass substrates by the spray pyrolysis method. The microstructural, morphological, electrical and optical properties of the 10 wt% F doped SnO2 (FTO) thin films were ...

• The first year curriculums of electrical-electronics engineering departments in Turkey 

  Altun, Yusuf; Demirtaş, Mehmet; İstanbullu, Ayhan (2008)

  In this study, we consider evaluation of the first year undergraduate curriculums of electrical-electronics engineering departments at the state universities in Turkey (TR). The first year education is very significant, ...

• An educational virtual laboratory for sliding mode and PID control of inverted pendulum 

  Demirtaş, Metin; Altun, Yusuf; İstanbullu, Ayhan (2008)

  This paper presents a new tool which teaches sliding mode control (SMC) and proportional-integralderivative (PID) control to undergraduate and graduate students without laboratory. This educational virtual laboratory tool ...

• Effect of Nb doping on structural, electrical and optical properties of spray deposited SnO2 thin films 

  Turgut, Güven; Keskenler, Eyüp Fahri; Aydın, Serdar; Sönmez, Erdal; Doğan, Seydi; Düzgün, Bahattin; Ertuğrul, Mehmet (Academic Press Ltd - Elsevier Ltd, 2013)

  Nb doped SnO2 transparent conducting thin films were deposited by spray pyrolysis method. Microstructural, morphological, electrical and optical properties of the films were investigated as a function of niobium (Nb) doping, ...

• Addendum to a power resolution for nonsinusoidal and unbalanced systems: Evaluation examples 

  Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (2011)

  In this paper, a power resolution presented in [1] is evaluated by considering optimum balanced capacitive compensation and harmonic producing load detection issues. The evaluation examples show that the power resolution ...

• A power resolution for nonsinusoidal and unbalanced systems - Part II: Theoretical background 

  Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (2011)

  It is seen from the study [1] that there is a need for a power resolution, which can be utilized for the direct provision of the optimum compensation capacitor's power and give some useful information on the detection of ...

• A power resolution for nonsinusoidal and unbalanced systems - Part I: Literature overview and motivation 

  Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (2011)

  This study presents an overview on the apparent power definitions and power resolutions widely known in the literature. It is shown from the literature overview that there is a need for a power resolution, which can be ...

• Optimal design of c-type passive filters based on response surface methodology for typical industrial power systems 

  Balcı, Murat Erhan; Karaoğlan, Aslan Deniz (Taylor & Francis Ltd, 2013)

  In this article, a response surface methodology based approach is proposed for the optimal design of C-type passive filters that can be employed in typical industrial power systems. The purpose of the optimization process ...

• Concentration and path-length dependence on the faraday rotation of magnetic fluids based on highly water-soluble fe3o4/paa nanoparticles synthesized by a high-temperature hydrolysis method 

  Küçükdermenci, Serhat; Kutluay, Deniz; Çelik, Erdal; Mermer, Ömer; Avgin, İbrahim (Inst Za Kovinske Materiale I In Tehnologie, 2013)

  In this study, highly water-soluble Fe3O4/PAA (polyacrylic acid) nanoparticles (NPs) were synthesized by a high-temperature hydrolysis method. We report the first demonstration of the concentration and path-length dependence ...

• A study on characterization of Al/ZnS/p-Si/Al heterojunction diode synthesized by sol-gel technique 

  Turgut, Güven; Keskenler, Eyüp Fahri; Aydın, Serdar; Doğan, Seydi; Duman, Songül; Sönmez, Erdal; Esen, Bayram; Düzgün, Bahattin (Elsevier Science BV, 2013)

  In this paper, we investigated the morphological, optical and electrical properties of sol-gel spin coated ZnS film and device performance of fabricated Al/ZnS/p-Si/Al heterojunction diode. AFM images showed that surface ...

• Optimal design of single-tuned passive filters using response surface methodology 

  Sakar, Selçuk; Karaoğlan, Aslan Deniz; Balcı, Murat Erhan; Aleem, Shady H. E. Abdel; Zobaa, Ahmed F. (IEEE, 2015)

  This paper presents an approach based on Response Surface Methodology (RSM) to find the optimal parameters of the single-tuned passive filters for harmonic mitigation. The main advantages of RSM can be underlined as easy ...

• A filter design approach to maximize ampacity of cables in nonsinusoidal power systems 

  Sakar, Selçuk; Aleem, S. H. E. Abdel; Balcı, Murat Erhan; Zobaa, A. F. (IEEE, 2015)

  This paper presents an optimal design of the C-type passive filters for the effective utilization of the power cables under nonsinusoidal conditions based on maximization of the harmonic derating factor (HDF) of a power ...

• Virtual laboratory for sliding mode and PID control of rotary inverted pendulum 

  Demirtaş, Metin; Altun, Yusuf; İstanbullu, Ayhan (Wiley-Blackwell, 2013)

  This paper presents a new virtual laboratory tool which teaches sliding mode control (SMC) and proportional-integral-derivative (PID) control to graduate students. Additionally, it describes performance differences between ...

• An algorithm for optimal sizing of the capacitor banks under nonsinusoidal and unbalanced conditions 

  Balcı, Murat Erhan; Abdel Aleem, Shady H.E.; Zobaa, Ahmed F.; Sakar, Selçuk (Bentham Science Publishers B.V., 2014)

  In non-sinusoidal and unbalanced systems, optimal sizing of the capacitor banks is not a straightforward task as in sinusoidal and balanced systems. In this paper, by means of qualitative and quantitative analysis, it is ...

• Modeling and control of V/f controlled induction motor using genetic-ANFIS algorithm 

  Üstün, Seydi Vakkas; Demirtaş, Metin (Pergamon-Elsevier Science Ltd, 2009)

  This paper deals with modeling and performance analysis of the voltage/frequency (V/f) control of induction motor drives. The V/f control, which realizes a low cost and simple design, is advantageous in the middle to ...

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