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Now showing items 1-11 of 11

A Full Soft Switched Bridgeless Power Factor Corrected AC-DC Converter

Çetin, Sevilay; Yenil, Veli (Institute of Electrical and Electronics Engineers Inc., 2019)

In this study, a soft swithed and bridgeless power factor corrected (BPFC-FSS) boost converter with an active snubber cell is presented. The converter is operated with pulse with modulation (PWM) and the average current ...
A phase shifted full bridge converter design for electrical vehicle battery charge applications based on wide output voltage range

Çetin, Sevilay; Astepe, Alparslan (IEEE Computer Society, 2016)

In this study, high efficiency design procedure of a phase shifted full bridge (PSFB) converter is presented for on-board electrical vehicle (EV) battery charger. Presented design methodology used lithium-ion battery cells ...
An improved fully soft switched PWM boost converter

Çetin, Sevilay (Institute of Electrical and Electronics Engineers Inc., 2016)

This work presents an improved fully soft switched boost converter (IFSS-BC) with an active snubber cell. In the presented converter, the snubber circuit provides soft switching operation of all semiconductors. The boost ...
Borlama işleminin Vanadis 4 çeliğinin aşınma direnci üzerine etkisi

Kutlubay, Ramazan Çağrı; Işıtan, Arzum; Gürcan, Yasin (2019-02-05)

In this study, Vanadis 4 (V-4) cold work tool steel was boronized in a solid medium which contains Ekabor II. The boronizing parameters were selected as to be at 900 and 950 °C for 6 and 8 hours. The wear tests were carried ...
Cascaded ABC-LM algorithm based optimization and nonlinear system identification

Dilmen, Erdem; Yılmaz, Selim; Beyhan, Selami (IEEE Computer Society, 2013)

In this paper, the well-known heuristic Artificial Bee Colony algorithm (ABC) and deterministic Levenberg-Marquardt (LM) optimization method are unified to get better performance of nonlinear optimization. In the proposed ...
Determination of microstructure and microhardness properties of Boronized Vanadis 4 steel

Gürcan, Yasin; Işıtan, Arzum; Kutlubay, Ramazan Çağrı (2019-02-05)

Vanadis 4 (V4) is a cold work tool steel that usually used manufacturing of die cutting punches. V-4 is a high vanadium steel and is made by powder metallurgy. It has high wear resistance, high hardness, and dimensional ...
Effect of Gr Contents on Wear Properties of Al2024/MgO/Al2O3/Gr Hybrid Composites

Ovalı, İsmail; Esen, C.; Albayrak, S.; Karakoç, H. (EDP Sciences, 2018)

In the present study, hybrid metal matrix composites, Al2024/10Al2O3, Al2024/10Al2O3/3MgO, Al2024/10Al2O3/6MgO, Al2024/10Al2O3/3MgO/1.5 Gr, Al2024/10Al2O3/3MgO/3Gr, and reinforcement samples (AA 2024) produced with powder ...
Gradient-based Takagi-Sugeno fuzzy local observer

Beyhan, Selami.; Dilmen, Erdem (Institute of Electrical and Electronics Engineers Inc., 2015)

In this paper, a recently introduced nonlinear gradient-based observer [1] has been adopted for Takagi-Sugeno (TS) fuzzy systems. The designed observer is especially aimed to estimate the unmeasurable states of the TS fuzzy ...
Optimal operation region of LLC resonant converter for on-board EV battery charger applications

Çetin, Sevilay; Yenil, Veli (Institute of Electrical and Electronics Engineers Inc., 2018)

In this study, optimal operation region of a LLC resonant converter is discussed for on-board electrical vehicle (EV) battery charger applications. In the operation mode optimization, wide range output voltage regulation ...
Stabilization of HIV infection using deep recurrent SVM based generalized predictive control

Dilmen, Erdem; Beyhan, Selami (Institute of Electrical and Electronics Engineers Inc., 2018)

The function approximation capability of a regressor model in generalized predictive control (GPC) directly affects the tracking performance of unknown nonlinear systems. In this paper, a novel deep recurrent support vector ...
State space ls-svm for polynomial nonlinear state space model based generalized predictive control of nonlinear systems

Dilmen, Erdem; Beyhan, Selami (Institute of Electrical and Electronics Engineers Inc., 2018)

This paper proposes a novel state space least squares support vector machine (SS LS-SVM) for polynomial nonlinear state space (PNLSS) model based recursive system identification. SS LS-SVM, which also possesses an adaptive ...

Now showing items 1-11 of 11

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