Browsing Elektrik-Elektronik Mühendisliği-Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 91
-
Stabilisation of a 12 degree of freedom biped robot
(IFAC Secretariat, 2002)This paper considers the design and evaluation of stabilising controllers for a twelve degree of freedom biped robot using linear quadratic optimal control techniques and reduced order observers. The controllers are designed ... -
Analyzing of PI controlled DC/DC converter output voltage using labview
(2010)In this study, feedback control is carried out for DC/DC buck converter by using PI controller. The output voltage signal of the converter is shown on the screen of the computer by using. LabVIEW program. There are RS22 ... -
On the validity of harmonic source detection methods and indices
(2010)In this paper, the validity of the single-point measurements methods and indices, which were proposed for harmonic source detection and sharing harmonic responsibility between utility and consumer, are investigated in a ... -
A current resolution for fast measurement of power resolutions in non sinusoidal single phase systems
(2011)In this paper, a new current decomposition is proposed for effective and fast measurement of the power resolutions defined by Fryze, Shepherd & Zakikhani, Sharon, Kusters & Moore and Czarnecki. The complexity analysis shows ... -
Optimizing karnopp friction model parameters of a pendulum using RSM
(Elsevier Science Bv, 2014)Accurate mathematical models of physical systems are essential for understanding the behaviour of actual systems under different operating conditions and for designing control systems. In mechanical systems, difficulty of ... -
Balıkesir-Balya meteoroloji istasyonu verileri kullanılarak weibull fonksiyonu parametrelerinin 6 farklı metodla belirlenmesi
(2015)Bu çalışmada rüzgar hızı değişimlerini modellemek için yaygın olarak kullanılan Weibull fonksiyonu parametrelerinin, 6 farklı metodla belirlenmesi amaçlanmıştır. Literatürde Weibull fonksiyonu parametrelerini belirlemek ... -
Effective utilization of cables and transformers using passive filters for non-linear loads
(Elsevier Sci Ltd, 2015)In the literature, it is well known that transformers and cables have excessive losses or overheating under non-sinusoidal current conditions. Accordingly, they have reduced current carrying capabilities (or loading ... -
Yarım-sinüs ve dikdörtgen darbeler kullanarak minimum-kaydırmalı anahtarlama sinyallerinin üretilmesi
(2016)Minimum-kaydırmalı anahtarlama sinyalleri, ikili sürekli-fazlı frekans-kaydırmalı anahtarlama sinyallerinin özel bir formu olarak görülebilir. Yarım-sinüs darbeler veya dikdörtgen darbeler kullanarak minimum-kaydırmalı ... -
Lutentium incorporation influence on ZnO thin films coated via a sol-gel route: spin coating technique
(Springer, 2016)Pure and lutetium (Lu) incorporated zinc oxide (ZnO) thin films were deposited by a sol-gel route. The effect of Lu contribution on the properties of ZnO was examined in detail by means of XRD, AFM, SEM, UV-Vis spectrophotometer, ... -
Off-line tuning of fractional order PI lambda controller by using response surface method for induction motor speed control
(Romanian Soc Control Tech Informatics, 2016)In this study, fractional order PI lambda (FOPI lambda) speed control of induction motor is realized with dsPIC30F4011 microcontroller which is suitable for industrial applications. Voltage/frequency (V/f) control method ... -
Bb-bc, pso and imo algorithms for economic dispatch problem of wind-thermal power plants
(Gazi Üniv, 2016)In this study, for examining the effect of wind power systems on energy systems, three new heuristic methods were compared to solve economic dispach problem of wind-thermal (hybrid) plants. These three heuristic algorithms ... -
Effect of the different T-Joint design at power transformer
(Gazi Univ, 2016)In the modern manufacturing processes, sheets of the transformer core composed as stacked with 5 pieces of cut parts which have top and bottom yoke and 3 legs. Also it is seen literature resarch about a part of experimental ... -
Optimal resonance-free third-order high-pass filters based on minimization of the total cost of the filters using Crow Search Algorithm
(Elsevier Science Sa, 2017)The most common damped filters (DFs) are the second-order, third-order, C-type, and double-tuned filters. Other DFs such as the first-order and band-pass filters exist, but their high operating losses considerably diminish ... -
Cogging torque reduction by optimal design of PM synchronous generator for wind turbines
(Pergamon-Elsevier Science Ltd, 2017)In this study, design and optimization of a surface-mounted permanent magnet synchronous generator (PMSG) have been carried out for use in low power wind turbines. In the successive optimization steps based upon the ... -
An algorithm for estimating derating of induction motors supplied with under/over unbalanced voltages using response surface methodology
(Inst Engineering Technology-Iet, 2017)One of the adverse effects of unbalanced three-phase voltages on the induction motors (IMs) is overheating of the windings. The IMs should be loaded at less than their rated power in case of unbalanced supply voltages to ... -
Increasing PV hosting capacity in distorted distribution systems using passive harmonic filtering
(Elsevier Science Sa, 2017)Adding new capacity expansion alternatives using distributed generation (DG) technologies, particularly penetration of renewable energy, has several economical, and technical advantages such as the reduced system costs, ... -
Investigation of dielectric properties of heterostructures based on ZnO structures
(De Gruyter Poland Sp Zoo, 2017)The voltage and frequency dependence of dielectric constant epsilon', dielectric loss epsilon", electrical modulus M", M', loss tangent tan delta and AC electrical conductivity sigma(AC) of p-Si/ZnO/PMMA/Al, p-Si/ZnO/Al ... -
Intrinsically switchable frequency reconfigurable barium strontium titanate resonators and filters
(Ieee-Inst Electrical Electronics Engineers Inc, 2017)Multimode transceivers for the next generation of wireless devices require new and innovative frequency-agile microwave circuit designs to reduce their complexity, size, and cost. Intrinsically switchable frequency ... -
A power resolution for cost effective compensation and harmonic source detection in smart power grids
(Istanbul Univ, 2017)It is seen from the preliminary work [1] of this paper that in the literature there is a need for a power resolution, which can be utilized for (i) the direct provision of the optimum compensation capacitor's power and ... -
Intracell interference characterization and cluster interference for D2D communication
(IEEE, 2018)The homogeneous spatial Poisson point process (SPPP) is widely used for spatial modeling of mobile terminals (MTs). This process is characterized by a homogeneous distribution, complete spatial independence, and constant ...