Volume 50, Issue 7-8, 2015

Issue 7-8, 2015


Vol. 50. No 7-8/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA




Peter Yakimov
A practical approach for introductory embedded systems teaching 2

Dimitar Arnaudov, Nikolay ...  read more

Modeling of electromagnetic and thermal processes occurring in induction heating cooker
Maik Streblau

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Induction heating is a famous technology and very usually used for cooking appliances because of its high-energy efficiency. A mathematical model is adopted for a flat inductor-detail system in this paper and it is used for ...  read more

Calculating the net cost of universal postal service – pragmatic approach
Zdravko A. Mihaylov, Valentin T. Tsenov

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The postal sector provides services of public interest. The postal services in the EU are fully liberalized with the removal of the reserved market share. Market regulation is not able to meet public needs at any time. This ...  read more

Design of unified rail traffic management system architecture in Republic of Bulgaria
Ventsislav G. Trifonov

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The rail traffic management systems have to meet requirements of high responsibility and failsafe behaviour. It is expected that these systems will give a possibility of real-time rail traffic monitoring and ensure information ...  read more

Mobile multisensor node for monitoring environmental parameters in urban areas
Marin Berov Marinov

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Air quality is a matter of considerable concern as it affects public health, the environment and the economy of developed countries. Recent research has shown that air pollution can increase the incidence of diseases and impair ...  read more

Photodetector based on electrochemically deposited ZnO and inkjet printed PEDOT:PSS heterojunction
Nikolay Kurtev, Slavka Tzanova, Silvia Schintke

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In this paper we present a new photo-sensible device based on ZnO/PEDOT:PSS heterojunction. The formation of ZnO layer was made by electrochemical deposition of Zn from zinc nitrate solution over a transparent ITO electrode ...  read more

Characteristics of an electronic converter for supercapacitor charging
Dimitar Arnaudov, Nikolay Hinov, Ivan Nedyalkov

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In the following article a converter, providing mutual work between photovoltaic system and energy storage elements have been studied. The converter provides the management of the energy flows to/from the supercapacitor battery. ...  read more

A practical approach for introductory embedded systems teaching
Peter Yakimov

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In order to prepare the students for the challenges of their future job the Faculty of Electronic Engineering and Technologies at Technical University of Sofia accepted a new curriculum for Bachelor degree in Electronics which ...  read more