issue 1-2

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Issue 1-2, 2022

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 57. No 1-2/2022
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20220102-full

C O N T E N T S

Radi P. Romansky
Technological aspects of e-governance 1

Seferin Mirtchev
Challenges ...  read more

20220102-01
Technological aspects of e-governance
Radi P. Romansky

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The contemporary information society has determined the main priority of digital technologies in maintaining the basic processes in society. It is often emphasized that the main feature of modern society is the accompaniment ...  read more

20220102-02
Challenges for Engineering Education, Research and Innovation – Survey
Seferin Mirtchev

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Today, the technologies are a critical driver of economic development. The engineers are crucial for effective technology management. Educating engineers who can adapt successfully to the everchanging fields of complex technologies ...  read more

20220102-03
Feedback control of ozone concentration in a room using an ozone generator and the Internet of Things with built-in sensor
Takeshi Tanaka, Masayuki Yamauchi, Koji Kakugawa, Toshikazu Uchida, Shigekazu Ishihara, Keiko Ishihara

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Recently, coronavirus has spread worldwide and is becoming a major challenge. Under such circumstances, coronavirus inactivation using ozone has been reported. We have also installed a Sigfox antenna at Hiroshima Institute ...  read more

20120102-full.png
Issue 1-2, 2012

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 47. No 1-2/2012
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20120102-full

C O N T E N T S

ELECTRONICS
Valentin Hr. Videkov, Aleksey B. Stratev, Georgi A. Farkov
New method for ...  read more

20130102-full
Issue 1-2, 2013

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 48. No 1-2/2013
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20130102-full

C O N T E N T S

COMMUNICATION TECHNICS
Jordan I. Nenkov, Lidia T. Jordanova
Traffic parameters research of a centralized VoD system 2

ELECTRONICS
Nikolay ...  read more

20210102-full
Issue 1-2, 2021

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 56. No 1-2/2021
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20210102-full

C O N T E N T S

TELECOMMUNICATIONS SCIENCE
Seferin Mirtchev, Mircho Mirchev, Georgi Georgiev
Models ...  read more

20210102-01
Models and methods for analysis of the stochastic processes in IP based networks – survey
Seferin Mirtchev, Mircho Mirchev, Georgi Georgiev

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Today, the internet network is in a base to almost any social, educational or economic activity, a true value creator that reshapes the economy and society. In the future, the IP based networks will be even more essential ...  read more

20210102-02
Influence of the middle pole shape on the force characteristic of an actuator with Т-shaped armature
Ivan Hadzhiev, Dian Malamov, Iosko Balabozov, Ivan Yatchev

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In the paper, a study of the influence of the middle pole shape on the static force characteristic of a direct-current solenoid actuator with T-shaped armature is presented. For this purpose, computer models of the actuator ...  read more

20210102-03
Thermal model of bidirectional DC/DC converter
Evgeni Malev

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The purpose of this article is to create and analyze a mathematical model of Isolated full-bridge bidirectional DC/DC converter for electric vehicle application. The article considers and analyzes mathematical models of the ...  read more