Güncel Gönderiler: Elektrik-Elektronik Mühendisliği Bölümü
Toplam kayıt 54, listelenen: 21-40
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DSP-based sliding mode speed control of induction motor using neuro-genetic structure
(Pergamon-Elsevier Science Ltd, 2009)In this paper, a novel approach is presented for optimization of sliding mode controller parameters. The main purpose is to optimize sliding surface slope and thickness of the boundary layer. The tuning of the electrical ... -
Optimization of pı parameters for dsp-based permanent magnet brushless motor drive using response surface methodology
(Pergamon-Elsevier Science Ltd, 2012)This paper proposes response surface methodology (RSM) for tuning Proportional Integral (PI) coefficients for a Permanent Magnet Brushless Direct Current (PMBLDC) motor drive. Overshoot and settling time data are obtained ... -
A resonance frequency tracker and source frequency tuner for inductively coupled wireless power transfer systems
(IEEE, 2016)Inductively coupled resonant loops, for use in wireless power transfer applications up to several meters, exhibit the largest transfer efficiency when the loops operate at the strongly coupled regime. At the same time, ... -
Chaos-based engineering applications with a 3D chaotic system without equilibrium points
(Springer, 2016)There has recently been an increase in the number of new chaotic system designs and chaos-based engineering applications. In this study, since homoclinic and heteroclinic orbits did not exist and analyses like Shilnikov ... -
Web based, low cost and modular home automation system
(Univ Osijek, 2016)Home automation systems allow the user to easily control lighting, security, ventilation, temperature etc. in the house and monitor their operation. This project aims to reduce costs, wasted time and energy consumption of ... -
Hosting capacity assessment and improvement for photovoltaic-based distributed generation in distorted distribution networks
(IEEE, 2016)In this paper, the hosting (or maximum allowable) capacity of a photovoltaic (PV)-based distributed generation (DG) unit for a typical two bus distorted distribution system, is analyzed. The harmonic constraints, total and ... -
Harmonic estimation based support vector machine for typical power systems
(Acad Sciences Czech Republic, 2016)The power quality in electrical energy systems is very important and harmonic is the vital criterion. Traditionally Fast Fourier Transform (FFT) and Discrete Fourier Transform (DFT) have been used for the harmonic distortion ... -
Optimal passive filter design for effective utilization of cables and transformers under non-sinusoidal conditions
(IEEE, 2014)Transformers and cables have overheating and reduced loading capabilities under non-sinusoidal conditions due to the fact that their losses increases with not only rms value but also frequency of the load current. In this ... -
An analysis into the effect of voltage harmonics on the maximum loading capability of transformer
(IEEE, 2014)In this paper, some exemplary cases are presented to show the effect of voltage total harmonic distortion (THDV) and its spectrum on the harmonic loss factors (F-HL and F-HL-(STR)) of the six-pulse rectifiers accompanied ... -
A fixed speed ınduction generator model for unbalanced power flow analysis
(IEEE, 2014)This paper proposes a model of the induction generator for the phase-domain power flow analysis of fixed speed wind turbine generating systems connected to balanced or unbalanced three-phase distribution systems. The ... -
On the no-load loss of power transformers under voltages with sub-harmonics
(IEEE, 2014)Power transformers are traditionally designed for their utilization in sinusoidal voltage and current conditions. However, the non-linear loads are largely proliferated in the modern power systems. Thus, pcc (point of ... -
Optimal tuning of PI coefficients by using fuzzy-genetic for V/f controlled induction motor
(Pergamon-Elsevier Science Ltd, 2008)This paper presents a novel speed control scheme of an induction motor using genetic-fuzzy logic. The aim of this paper is to improve a new method of the optimal tuning of proportional integral controller coefficients in ... -
An effective mechanical design and realization of a humanoid robot BUrobot
(Budapest Tech, 2014)Mechanical design and production of humanoid robots are not yet standardized and many different robot configurations are being researched by academics. This paper is written as a motivation to publish the results of an ... -
Fabrication and characterization of Al/Cu2ZnSnS4/n-Si/Al heterojunction photodiodes
(Wıley-V C H Verlag Gmbh,, 2014)Cu2ZnSnS4 (CZTS) thin film has been synthesized by a sol-gel spin-coating technique on the n-Si substrate to fabricate heterojunction photodiodes. An X-ray diffraction study has shown that the film is polycrystalline with ... -
Optical and structural properties of bismuth doped zno thin films by sol-gel method: urbach rule as a function of crystal defects
(Polish Acad Sciences Inst Physics, 2014)Bismuth (Bi) doped zinc oxide (ZnO:Bi) thin films were prepared on glass substrates by sol gel spin coating technique using homogeneous precursor solutions, and effects of Bi doping on the structural and optical properties ... -
A multi-channel temperature and humidity measurement system based on a micro-controller
(Natl Inst Optoelectronics, 2016)In recent years, microcontrollers are devices used widely for measuring physical quantities, processing measured values and controlling systems. Their specifications like conversion into embedded systems, quite convenient ... -
Sensorless field oriented control of nonsinusoidal flux-distribution permanent magnet synchronous motor with a FEM based ANN observer
(Tubitak Scientific, 2016)The sensorless vector control of a nonsinusoidal flux -distribution permanent magnet synchronous motor (PMSM) has been performed by a trained artificial neural network (ANN) using flux data obtained from the finite element ... -
Power conditioning using dynamic voltage restorers under different voltage sag types
(Elsevier Science Bv, 2016)Voltage sags can be symmetrical or unsymmetrical depending on the causes of the sag. At the present time, one of the most common procedures for mitigating voltage sags is by the use of dynamic voltage restorers (DVRs). By ... -
Characterization of electrical properties of Al/maleic anhydride (MA)/p-Si structures by well-known methods
(Elsevier Science Sa, 2014)Al/maleic anhydride (MA)/p-Si metal-polymer-semiconductor (MPS) diodes have been prepared by spin coating of an organic film on p-Si substrate. These MPS structures have a good rectifying behavior. The diode parameters ... -
A fuzzy voltage regulator (FVR) for a stand-alone synchronous generator
(Taylor & Francis Inc, 2007)This study deals with terminal voltage control of a stand-alone synchronous generator using fuzzy logic based controller as a fuzzy voltage regulator (FVR) instead of classical automated voltage regulators (AVR). In order ...
