Aleksandar Kovačević

University of Kragujevac

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Nenad Munic

Regulatory Agency for Electronic Communications and Postal Services

Koviljka Stanković

University of Belgrade

P. Osmokrović

University of Belgrade

SŠ

Sabrina Šuman

Polytechnic of Rijeka

Ljubiša Tomić

Military Technical Institute

Vlatka Davidović

Polytechnic of Rijeka

Miloš Vorkapić

Institute of Chemistry, Technology and Metallurgy

AĐ

Antonije Đorđević

Serbian Academy of Sciences and Arts

Vesna Damnjanović

University of Belgrade

Uroš Kovačević

University of Belgrade

Cooperative Institutions

University of Belgrade

Technical College of Applied Sciences

University of Arts in Belgrade

Faculty (United Kingdom)

University of Nis

Institute of Chemistry, Technology and Metallurgy

Ministarstvo Gospodarstva

University of Novi Sad

University of Belgrade - Faculty of Mechanical Engineering

Vinča Institute of Nuclear Sciences

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Analysis and interpretation of the model of a Faraday cage for electromagnetic compatibility testing

Vojnotehnicki glasnik (2014)

Nenad Munic Aleksandar Kovačević

In accordance with SORS 1029/89 and SORS 1762/89 military standards, electromagnetic compatibility tests of equipment and weapon systems and military equipment of the Serbian Army are carried out in a Faraday cage. A Faraday cage has many parasitic resonances due to the reflective walls, floor, and ceiling. In order to improve electromagnetic compatibility tests, a complete Faraday cage was modeled. Various imperfections of the cage were detected by comparing the results of simulations and experiments, and they were included into the model.

Faraday cage

Cage

10.5937/vojtehg62-3980

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The numerical method for the coverage interval determination in the conducted emission measurements

Measurement (2016)

Aleksandar Kovačević Koviljka Stanković

10.1016/j.measurement.2016.05.052

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Citations (3)

QUALITY STANDARDS – STILL UNUSED POTENCIAL

Zbornik Veleučilišta u Rijeci (2013)

Sabrina Šuman Aleksandar Kovačević Vlatka Davidović

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Thermal Characterization of the Overload Carbon Resistors

International Journal of Photoenergy (2013)

Ivana Kostić Ljubiša Tomić Aleksandar Kovačević Saša Nikolić

In many applications, the electronic component is not continuously but only intermittently overloaded (e.g., inrush current, short circuit, or discharging interference). With this paper, we provide insight into carbon resistors that have to hold out a rarely occurring transient overload. Using simple electrical circuit, the resistor is overheating with higher current than declared, and dissipation is observed by a thermal camera.

Overheating (electricity)

Inrush current

Transient (computer programming)

10.1155/2013/802789

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Evaluation of radiating-source parameters by measurements in Faraday cages and sparse processing

Measurement (2017)

Nenad Munic Marija Nikolić Stevanović A.R. Djordjević Aleksandar Kovačević

Anechoic chamber

Faraday cage

10.1016/j.measurement.2017.03.008

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Citations (9)

Improved modeling of Faraday cage for electromagnetic compatibility testing

2022 30th Telecommunications Forum (TELFOR) (2012)

Nenad Munic Marija Stevanović Aleksandar Kovačević Antonije Đorđević

By military standards SORS 1029/89 and SORS 1762/89, electromagnetic-compatibility tests of tools and weapon systems and military equipment of the Serbian Army, are carried out in a Faraday cage, which has many parasitic resonances due to the reflective walls. In order to improve these tests, we modeled a complete Faraday cage. Various imperfections of the cage were detected by comparing results of simulations and experiments, and they were included into the model.

Faraday cage

Cage

Electromagnetic Compatibility

Electromagnetics

Serbian

10.1109/telfor.2012.6419406

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Citations (2)

Evaluation of measurement uncertainty in electromagnetic compatibility testing

2022 30th Telecommunications Forum (TELFOR) (2012)

Aleksandar Kovačević P. Osmokrović

This paper is derived from the author's doctoral dissertation. In this work, for evaluation of measurement uncertainty for conducted emission measurements, we propose a new model which uses mixed distribution. Evaluation of probability density function (PDF) for the measurand has been done using a Monte Carlo method and a modified least-squares method (combined method). For illustration, the combined method is applied in three cases for two independent input quantities.

Electromagnetic Compatibility

10.1109/telfor.2012.6419405

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Uncertainty evaluation of the conducted emission measurements

Nuclear Technology and Radiation Protection (2013)

Aleksandar Kovačević Dejan Despotovic Zoran Rajovic Koviljka Stanković Ana Kovačević

For the evaluation of measurement uncertainty in measuring the conduction emission, in this paper we propose a new model which uses mixed distribution. Evaluation of probability density function for the measurand has been done using Monte Carlo method and a modified least-squares method (combined method). In addition, the number of data n and the number of classes of histogram k which were used for simulation, were varied.

10.2298/ntrp1302182k

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Citations (27)

Norme kvalitete-još uvijek neiskorišteni potencijal

Sabrina Šuman Aleksandar Kovačević Vlatka Davidović

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5S elements as steps to bridge the GAP in transmitter manufacturing process

Journal of Engineering Management and Competitiveness (2019)

Miloš Vorkapić Srđan Bogetić Dragoljub Tanović Mohammad Al Hasan Aleksandar Kovačević

In this paper, GAP analysis and 5S tool are applied in the case of realization of a compact pressure transmitter. GAP analysis, combined with the 5S tool, can qualitatively indicate the critical points in the manufacturing, assembly and quality control of a finished transmitter. Existing errors lead to the appearance of possible risks in the realization of production processes, from the input of raw materials to the assembly of the finished product. In order to eliminate the existing errors, the main steps of the GAP analysis are described in detail. Guidelines are provided on how to improve the workplace manufacturing process through certain improvements by applying all 5S elements. According to the implemented action plan, the main causes of risk occurrence in the GAP analysis were: human factor and processing technologies. The human factor was characterized by poor control in the workplace (there is no discipline), poor training and incompetence of employees for the given tasks. Processing technology involves obsolete machines, which can introduce deviations of dimensions and tolerances from the prescribed values.

Realization (probability)

Bridge (graph theory)

10.5937/jemc1902148v

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