Issue 3-4, 2019
ELECTROTECHNICA & ELECTRONICA E+E
Vol. 54. No 3-4/2019
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA
C O N T E N T S
TELECOMMUNICATIONS SCIENCE
Jordan Raychev, Diyana Kinaneva, Georgi Hristov, Plamen Zahariev
Comparative analysis of the possibilities of building a decentralized control plane of a Software Defined Networks 41
Mircho J. Mirchev
Spectra of multilayer networks – mathematical foundations, metrics, spectral properties 49
Seferin Mirtchev, Rossitza Goleva, Dimitar Atamian, Ivan Ganchev
Analysis of non-preemptive priority single-server queueing systems with peaked traffic flows 57
ELECTRONICS
Hristo Antchev, Anton Andonov
Simple PV battery charger without MPPT based on SEPIC converter 64
Nikolay Brayanov, Anna Stoynova
Review of hardware-in-the-loop – a hundred years progress in the pseudo-real testing 70
Tsvetomira Tsonevska, Elena Koleva, Lilyana Koleva, Georgi Mladenov
Simulation of the temperature distribution and modelling of molten pool parameters at electron beam drip melting of copper 85