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This paper is dedicated to the 20th anniversary of the IEEE Republic of Macedonia Section, as part of one of the largest world professional organization. Beside the historical facts about the evolution of IEEE from AIEE and IRE and the meaning of its organization logo, and on the IEEE today, the paper concentrates on the history of the IEEE Republic of Macedonia Section. Firstly, an overview of friendly...
This paper proposes a method for the problem of processing high-dimensional data. When one has thousands of features (attributes) in a dataset, it is hard to achieve an efficient feature selection. To cope with this problem, we propose the use of a binary particle swarm optimization algorithm combined with the C4.5 as a classifier in the fitness function for the selection of informative attributes...
The process of transformation leading to a new generation operational and business support systems ensures effectiveness improvements while moving the organization towards a customer centric solution that provides a new wave of services in a multi-domain partner environment. This paper discusses the first steps of this transformational process for the research and educational networks.
This paper describes the already completed and verified first stage of a work in progress that aims to port a proposed optimised framework for virtual machine placement on hosts in a given cloud computing datacentre. The previously implemented and simulated framework using Matlab is being transferred to a richer cloud computing simulation environment that is CloudSim. The use of CloudSim permits,...
Integration of critical infrastructures contributes to an increasing complexity and heterogeneity of their interdependencies, which results in a more detailed analysis process with emphasis on a certain aspect of the interactions such as cascading effects rather than the overarching system modelling and simulation. When external disturbances like natural disasters and intentional attacks take place,...
This work intends to improve research on artificial neural network model of the Electric Power Exchange using Date of the Day Ahead Market in MATLAB and Simulink environment using Evolutionary Algorithm inspired by quantum computer science. The developed artificial neural network was initially trained using data for the Day Ahead Market, assuming the joint volume of supplied and sold electrical energy...
The exam statistics are crucial for instructors to better assess the exam metrics, e.g., exam duration. However, one statistic, time spent on each question by each student, is not available or difficult to obtain by human observation. In this work, we propose a smart exam system that obtains such statistics and sends data to a web application for further processing by using an internet-of-things based...
An increased share of variable speed wind turbines reduces the inertia of the power system due to the decoupling of mechanical rotor frequency and grid frequency. In the recent years, a lot of research has been done about exploitation of the rotating mass of a wind turbine for participation in the primary frequency regulation of the power system. This paper proposes a linearized general variable speed...
In this paper a cuckoo search based multi-objective optimal design of permanent magnet disc motor is proposed. In this research, the Cuckoo search technique is used as a search tool in the process of optimal design of a permanent magnet disc motor. The optimization search is based on the value of the objective function. The Cuckoo Search in general is a minimisation search algorithm and therefore...
The paper analyses the impact of energy storage and electric vehicles to the flexibility of electric power system in terms of securing reserves for covering deviations between consumption and generation of electricity, taking into account the share of non-predictable renewable sources in the network. Over the last few years, the share of renewable sources has increased, and wind power contributes...
In this paper, a new approach for high quality automated exposure fusion on mobile or handheld devices is presented. A utilization of the device's viewfinder screen video feed data is proposed, in order to increase the overall performance of the exposure fusion, both in static scenes and in scenes with moving objects. The introduced novelties are computationally inexpensive, since the preview video...
A rigorous but still feasible computational approach is implemented that aims to provide a fundamental theoretical basis for an in-depth understanding of vibrational spectroscopic properties of molecular systems relevant to atmospheric chemistry and climate science. The mentioned properties are, on the other hand, crucial in the context of experimental detection of the title molecular species and...
The paper presents comparison between molecular models made by using software packages, experimental results and performed simulations in molecular dynamics area with created molecule. Molecule was synthetized using organic synthesis strategy. After structural analysis, precise layout of all the atoms in space was determined. Molecule was converted into standard chemical format, visualized and prepared...
Convolutional neural networks (convnets) have made possible a number of breakthroughs in image classification and other computer vision problems. However, in order to successfully apply convnets to a new task it should be trained on a large set of labeled samples. Acquisition of a large number of manually labeled remote sensing images requires highly trained analysts which makes it a very expensive...
This paper presents high frequency analysis of ground rod in two-layer soil. The mathematical model is formulated by mixed potential integral equation (MPIE) on the basis of Sommerfeld's integrals. For a given rod, the current density is analyzed. Also, of interest are the variations of the grounding impedance with respect to frequency and the parameters of both soil layers. The results of the current...
New Grid and cloud solutions for distributed data mining and data processing are needed for execution of data intensive workflows. In contrast of the standard workflows, in which data between the jobs are exchanged in the form of files and the jobs are finished when they process the input data, data intensive workflows receive data organized in blocks which are streamed on inputs, analyze the data...
The linearization approach that exploits the modified baseband signal is applied in this paper to linearize a two-way broadband Doherty power amplifier. The required linearization signal formed as a product of the second-order nonlinearity of a nonlinear system is adequately processed in amplitude and phase in the digital domain. Then, the fundamental carrier second harmonic is modulated by the tuned...
The multiview video-plus-depth format provides a promising solution for the transmission of three-dimensional video. This format can be transmitted using the multiview high efficiency video coding (MV-HEVC) standard, where the texture and the depth videos are encoded and transmitted separately. The depth maps have large homogeneous areas making their downsampling before transmission and their upsampling...
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