Güncel Gönderiler: Elektrik ve Elektronik Mühendisliği Bölümü
Toplam kayıt 552, listelenen: 41-60
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Decentralized controller design for time-delay systems by optimization
(2015)Decentralized controller design problem for linear time-invariant retarded time-delay systems is considered. Algorithms, based on nonsmooth optimization and decentralized pole assignment, are developed to design decentralized ... -
Robust controller design for neutral time-delay systems
(2015)A robustness measure that accounts for the uncertainties in a neutral time-delay system is defined. Using this measure, a robust controller design approach, which is based on a nominal model, is proposed. The proposed ... -
Road profile modeling by subspace identification methods
(Institute of Electrical and Electronics Engineers Inc., 2015)In this paper, spectral models of road profiles using nonparametric and subspace identification methods are developed from road elevation measurements. First, power spectra of road profiles are estimated on uniform grids ... -
Positive realness in stochastic subspace identification: A regularized and reweighted nuclear norm minimization approach
(Institute of Electrical and Electronics Engineers Inc., 2015)In this paper, we propose a method to transform a non-positive real transfer function matrix into a positive real one. This problem is of engineering interest and arises when a linear time-invarant dynamics is identified ... -
HEp-2 cell classification using a deep neural network trained for natural image classification [Dogal Imge Siniflandirmak için Egitilmis bir Derin Sinir Agi ile HEp-2 Hücresi Siniflandirilmasi]
(Institute of Electrical and Electronics Engineers Inc., 2016)Deep convolutional neural networks is a recently developed method that yields very successful results in image classification. Deep neural networks, which have a high number of parameters, require a large amount of data ... -
Sequential forward feature selection for facial expression recognition [Yüz Ifadesi Tanima Için Ardisik Ileri Öznitelik Seçimi]
(Institute of Electrical and Electronics Engineers Inc., 2016)Facial expression recognition is an important computer vision problem with various applications. In this study, we investigate the effectiveness of features derived from facial landmarks in facial expression recognition. ... -
A motion adaptive wavelet-denoising for frame-rate up-conversion [ÇerçEve Hizi Artirimi için Hareket Duyarli Dalgacik Düzeltme]
(Institute of Electrical and Electronics Engineers Inc., 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 comparison of classification methods for local binary patterns [Yerel Ikili Örüntüler Için Siniflandirma Yöntemlerinin Karşilaştirilmasi]
(Institute of Electrical and Electronics Engineers Inc., 2016)Texture recognition is an important tool used for content-based image retrieval, face recognition, and satellite image classification applications. One of the most successful features for texture recognition is local binary ... -
A survey on the fundamentals of RSS based localization [RSS Tabanli Konumlandirmanin Temelleri üzerine Bir Inceleme]
(Institute of Electrical and Electronics Engineers Inc., 2016)In this research, for RSS based localization, geometry based new heuristic solutions are proposed and compared to maximum likelihood estimation (MLE) in terms of performance. It is shown that new heuristic methods which ... -
Hardware Trojans in incompletely specified on-chip bus systems
(Institute of Electrical and Electronics Engineers Inc., 2016)The security, functionality, and performance of the on-chip bus system is critical in an SoC design. We highlight the susceptibility of current bus implementations to Hardware Trojans hiding in unspecified functionality. ... -
A spectral graph wiener filter in graph fourier domain for improved image denoising
(Institute of Electrical and Electronics Engineers Inc., 2017)A Wiener filtering scheme in graph Fourier domain is proposed for improving image denoising performance achieved by various spectral graph based denoising methods. The proposed Wiener filter is estimated by using graph ... -
A home power management system using mixed integer linear programming for scheduling appliances and power resources
(IEEE Computer Society, 2017)In this work, a home power management system is proposed to minimize electricity cost and reduce high peak demand while maintaining user comfort. The system is composed of smart electrical appliances, which are divided ... -
RSS based localization of an emitter using a single mini UAV [Mini İHA Kullanarak Bir Yayicinin RSS Tabanli Konumlandirilmasi]
(Institute of Electrical and Electronics Engineers Inc., 2017)In this study, it is aimed to find the position of a signal emitter by the means of a mini unmanned aerial vehicle (mUAV) with a sensor node that can record the received signal strength (RSS) and the global positioning ... -
A spectral graph based image coding method [Spektral Çizge Tabanli Bir Görüntü Kodlama Yöntemi]
(Institute of Electrical and Electronics Engineers Inc., 2017)In this paper, a spectral graph based image coding method is proposed. In the proposed method, only the smoothing parameter in the graph adjacency matrix, graph Fourier transform (GFT) coefficients kept after hard thresholding ... -
The localization of LPI signals using sparse TDOA estimates [Seyrek TDOA Kestirimleri Kullanilarak Tespit Olasiligi Düsük Sinyallerin Konum Kestirimi]
(Institute of Electrical and Electronics Engineers Inc., 2016)In this paper, the localization problem of the low probability of intercept (LPI) signals using time difference of arrival (TDOA) estimates between the sensors is considered. A fast and sparse method is proposed for the ... -
Tracking sustained oscillations in delay model oregonators
(Institute of Electrical and Electronics Engineers Inc., 2016)Sustained oscillations occur in many biological organisms and some chemical reactions. Belousov-Zhabotinskii (BZ) reaction is one these chemical oscillators, however, since its oscillatory behaviour is analogous to ones ... -
Discrimination of faulty compressors and healthy one using Kohonen maps [Kohonen hari·ta kullanarak hatali ve saglikli kompresörleri·n ayriştirilmasi]
(2011)Kohonen's Self Organizing Map (SOM) is a very usable method for the classification problems. In this work SOM is used to classify the possible faults of Hermetic Compressors which are used in the refrigerators. In refrigerators ... -
Multi-objective control of full-vehicle suspensions: A case study
(IFAC Secretariat, 2011)This paper presents two procedures for multi-objective control of a full-vehicle suspension excited by random road disturbances. The control problem is first formulated as a mixed H2/H? synthesis problem and an output ... -
Petri net modelling of smart home appliances
(Institute of Electrical and Electronics Engineers Inc., 2017)In this work, some smart appliances (i.e., smart refrigerator and smart washing machine) and the corresponding smart home model are introduced to show the importance of smartness to improve user comfort and energy efficiency ... -
Robust tracking and disturbance rejection for decentralized neutral time-delay systems
(IFAC Secretariat, 2011)The decentralized robust servomechanism problem, which is to design decentralized stabilizing controllers such that each decentralized output robustly tracks a given reference signal in the presence of certain disturbances, ...
