Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 2341-2360
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Robust Optimal Control of Power Systems
(Acta Press, 2016)The disturbance attenuation and robustness problems for power systems, modelled as nonlinear dynamic systems, is considered. A simultaneous solution to these two problems is proposed by using the necessary conditions. An ... -
Extension Principle and Controller Design for Systems With Distributed Time-Delay
(Kybernetika, 2017)Extension principle is defined for systems with distributed time-delay and the necessary and sufficient conditions for one system being an extension of the other are presented. Preservation of stability properties between ... -
Hourly solar radiation forecasting using optimal coefficient 2-D linear filters and feed-forward neural networks
(Pergamon-Elsevier Science LTD, 2008)In this work, the hourly solar radiation data collected during the period August 1, 2005-July 30, 2006 from the solar observation station in Iki Eylul campus area of Eskisehir region are studied. A two-dimensional (2-D) ... -
Missing wind data forecasting with adaptive neuro-fuzzy inference system
(Springer, 2009)In any region, to begin generating electricity from wind energy, it is necessary to determine the 1-year distribution characteristics of wind speed. For this aim, a wind observation station must be constructed and 1-year ... -
Solar radiation data modeling with a novel surface fitting approach
(Springer-Verlag Berlin, 2008)In this work one year hourly solar radiation data are analyzed and modeled. Using a 2-D surface fitting approach, a novel model is developed for the general behavior of the solar radiation. The mathematical formulation of ... -
The effect of missing wind speed data on wind power estimation
(Springer-Verlag Berlin, 2007)In this paper, the effect of possible missing data on wind power estimation is examined. One-month wind speed data obtained from wind and solar observation station which is constructed at Iki Ey- Campus of Anadolu University ... -
Determination of displacements on a cutting disc during sawing process
(Elsevier Science BV, 2016)In this paper, the displacement signals of a saw disc during cutting of square shaped metallic profiles are examined. The most important aspects of the study for sustainable manufacturing are reducing maintenance costs by ... -
The Effect of Markov Chain State Size for Synthetic Wind Speed Generation
(IEEE, 2008)In this study hourly wind speed time series data of Eskisehir region, Turkey have been used for stochastic generation of wind speed data using the transition matrix approach of the Markov chain process. Previous work on ... -
Wide-Band Piezoelectric Resonance Frequency Energy Harvester
(IEEE, 2014)Some of the piezoelectric devices work more efficiently around the resonance frequencies. Piezoelectric structures have the highest displacement and charge generation closer to the resonance conditions. In this study, a ... -
A novel 2-d model approach for the prediction of hourly solar radiation
(Springer-Verlag Berlin, 2007)In this work, a two-dimensional (2-D) representation of the hourly solar radiation data is proposed. The model enables accurate forecasting using image prediction methods. One year solar radiation data that is acquired and ... -
Determinaton of the Number of Vehicles Using Unmanned Aerial Vehicles
(IEEE, 2014)This paper includes an application of the four rotor unmanned aerial vehicle names as quadrocopter. This application is determination of the traffic density depending on the number of vehicle in the certain area. For this ... -
A Time-frequency analysis for deflection of a cutting disc used in sawing process
(Trans Tech Publications LTD, 2011)Cutting discs are affected by various forces which cause stresses and deflections on the discs. Lateral deflection is one of the most frequent. It is important to know that major lateral deflections can cause undesired ... -
Self Organizing Map (SOM) approach for classification of mechanical faults in induction motors
(Springer-Verlag Berlin, 2007)In this work, Self Organizing Map (SOM) is used in order to detect and classify the broken rotor bars and misalignment type mechanical faults that often occur in induction motors which are widely used in industry. The ... -
A Motion Adaptive Wavelet-Denoising for Frame-Rate Up-Conversion
(IEEE, 2016)This study introduces a method that employs a wavelet zerotree-based shrinkage algorithm motion-adaptively-combined with optical flow estimation for video frame rate up-conversion. In the method, an optical flow estimation ... -
A subspace based progressive coding method for speech compression
(Elsevier Science BV, 2017)In this study, two novel methods, which are based on Karhunen Loeve Transform (KLT) and Independent Component Analysis (ICA), are proposed for coding of speech signals. Instead of immediately dealing with eigenvalue ... -
Sound based induction motor fault diagnosis using Kohonen self-organizing map
(Academic Press LTD- Elsevier Science LTD, 2014)The induction motors, which have simple structures and design, are the essential elements of the industry. Their long-lasting utilization in critical processes possibly causes unavoidable mechanical and electrical defects ... -
The effect of model generated solar radiation data usage in hybrid (wind-PV) sizing studies
(Pergamon-Elsevier Science LTD, 2009)Wind speed and solar radiation characteristics belonging to past years of a region are the main input parameters in wind-photovoltaic hybrid system (WPHS) sizing studies. Classically, these data are fed to several scenarios ... -
Cable and Wire Detection System for Aircrafts
(IEEE, 2013)EDlines is a robust and accurate line segment detector that is known to run 11 times faster than the popular (and fastest known) method of LSD, while avoiding necessity of parameter adjustments. In this work, this detector ... -
Segmentaton Performance Comparison over HDR Images
(IEEE, 2015)Achievement of sharp, crisp and contrasty photos plays an important role in automatic image segmentation. A fair contrast can be achieved by successful exposure settings in the camera, which can be difficult to achieve ... -
A novel wind speed modeling approach using atmospheric pressure observations and hidden Markov models
(Elsevier Science BV, 2010)Modeling the wind speed data has important implications in wind studies, providing valuable insight and parametric quantities for further engineering analysis. The classical modeling approach is to fit the probability ...
