Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 2061-2080
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A 2 dimensional solar radiation model [2 Boyutlu bir güneş işinim şiddeti modeli]
(2008)In this study solar radiation data obtained from Eskisehir region is mathematically modeled using a two dimentional (2D) approach. The approach and model is novel in the literature of solar radiation modeling. The analysis ... -
Unit commitment scheduling by using the neural network-weighted frequency bin blocks based next day load forecasting
(2008)Unit commitment (UC) and load forecasting analyses are important because low-cost generation is one of the most significant points in power systems. Since UC solves for an optimum schedule of generating units based on load ... -
Mycielski Algoritması ile Rüzgar Hızı Tahmini
(2009)Rüzgar hız tahmini, rüzgar ile ilgili mühendislik problemlerinde önemli bir yer tekil eder. Fakat her meteorolojik olay gibi rüzgar da rastsal davranışlar sergilemektedir. Dolayısıyla bilinen istatistiksel yöntemlerle duyarl ... -
Detection of mechanical faults in induction motors supplied with adjustable speed drives
(2009)In this work, the mechanical faults that occur in induction motors, which are widely used in industry due to their simple and rugged construction and cost effective pricing, are analyzed. The certain fault modes are generated ... -
Rational interpolation of analytic functions from real or imaginary parts of frequency-response data: A subspace-based approach
(2009)In this letter, construction of analytic functions from evaluations of real or imaginary parts on finite subsets of the unit circle is studied. The points in the subsets are not necessarily uniformly spaced as in the most ... -
BİRİM YÜKLENME PROBLEMİNİN ÜÇ FARKLI YÖNTEM KULLANILARAK KARŞILAŞTIRMALI ÇÖZÜMLENMESİ
(2009)Bu çalışmada, güç sistemi optimizasyonunda önemli bir konu olan birim yüklenme problemi, dinamik programlama, gevşetilmiş Lagrange ve benzetimli tavlama yöntemi kullanılarak çözülmüştür. Dinamik programlama yöntemi, minimum ... -
Mycielski approach for synthetic wind speed data generation [Yapay rüzgar hizi verisi üretiminde mycielski yaklaşimi]
(2009)In this paper, a novel Mycielski based approach for wind speed data generation is developed and presented. The efficincy of the proposed approach is tested using hourly wind speed data obtained from İzmir region. To test ... -
Effects of temperature and pressure information in a hybrid (fourier series / neural networks) solar radiation model
(2009)Solar radiation modeling is a critical step in efficient management of solar energy. In this study, a novel solar radiation modeling procedure is developed with the a-priori information of temperature and pressure values, ... -
A fast method for the common vector approach [Ortak vektör yaklaşimi i·çin hizli bir yöntem]
(2009)In this paper a new method is proposed to perform the Common Vector Approach(CVA). While CVA performs the classification with respect to the distance between vectors, the new method performs the classification with respect ... -
Comparing PI controllers for delay models of TCP/AQM networks
(IFAC Secretariat, 2010)In this paper, ns-2 simulations and related comparisons of four different PI controllers designed for TCP/AQM networks will be presented. The simulations are performed for various scenarios -
Supervisory controller design to enforce some basic properties in timed Petri nets
(2009)Supervisory controller design to enforce boundedness, reversibility, and liveness in timed Petri nets with firing durations is considered. It is assumed that both controllable and uncontrollable transitions may be present ... -
Representation of the state of timed-place Petri nets using stretching
(2009)Unlike untimed Petri nets, representation of the state of a timed Petri net and describing its evolution is not an easy task. Here, an approach, called place-stretching, is introduced to represent the state of a timed-place ... -
A novel fourier based solar radiation model
(2009)Solar radiation modeling is an important issue for renewable energyengineering based problems. In this study, a novel solar radiation model isproposed. The model inputs are the solar radiation data belonging to first ... -
Neural and mathematical modeling approaches for hourly long term loadforecasting
(2009)In this work, a mathematical model and an Artificial Neural Network (ANN)approach are constructed for the hourly forecasting of long term electric energydemand. Unlike former studies, these methods produce long term load ... -
Stable H? flow controller design
(2009)Stable H? controller design, for a flow control problem which involves multiple time-delays, is considered. An algorithm, which produces a stable controller apart from the integral action, is developed utilizing a rational ... -
Subspace-based rational interpolation from phase data
(2009)In this paper, a subspace-based identification algorithm to identify stable linear-time-invariant systems from corrupted phase samples of the frequency response function on nonuniformly spaced grid of frequencies are ... -
Discussion on: "Generalized linear dynamic factor models: An approach via singular autoregressions"
(Lavoisier, 2010)[No abstract available] -
A control method for timed distributed continuous Petri nets
(2010)A timed distributed continuous Petri net system (DcontPN) is composed of several subsystems which communicate through channels modeled by places. In this work, a reachability control problem for DcontPNs composed of two ... -
Instrumental variable frequency-domain subspace identification
(2010)In this paper, we study instrumental variable subspace identification of multi-input/multi-output linear-time-invariant, discrete-time systems from non-uniformly spaced frequency response measurements. A particular algorithm, ... -
Influence of tire damping on multi-objective control of quarter-car suspensions
(2010)In this paper, multi-objective control of a quartercar suspension system subjected to random road disturbances is studied. The active suspension problem is formulated as a mixed H2/H? synthesis problem and solved using ...