Publications — NSP “Security and Defence”

Madzharov, A., Hristozov, S., Gaidarski, I.

Compensations for Horizontal Inertial Components of INS/GNSS with Flight Altitude

Engineering Proceedings 150(1), 70, MDPI · DOI 10.3390/engproc2026150070

Q3SJR 0.254IR authors 100%Funding: NSP DS, MES grant D01-74/19.05.2022NavigationINS/GNSS

Gaidarski, I., Madzharov, A.

Constructive Approach to the Design of Data Protection Systems: Models and Transformation

Engineering Proceedings 150(1), 53, MDPI · DOI 10.3390/engproc2026150053

Q3SJR 0.254IR authors 100%Funding: NSP DS, MES grant D01-74/19.05.2022Security

del Estad Herrero, A., Apter, N., Hristozov, S.

A Parametric Comparison of JARUS SORA 2.0 and 2.5 Ground Risk Models

Engineering Proceedings 90(1) — 14th EASN International Conference · DOI 10.3390/engproc2025090047

Q3SJR 0.205IR authors 33.33%Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022Task 1.1.2, 1.2.1Flight safety (SORA)UAS

Gaidarski, I.

Insider Threats in Critical Infrastructure Organizations — Discovery and Protection

BISEC 2025, Belgrade Metropolitan University, pp. 86–97 · ISBN 978-86-89755-40-4 · DOI 10.46793/BISEC25.086G

Q4SJR 0.15IR authors 100%Reported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

Valchkova, N., Zahariev, R., Tsvetkov, V.

Intelligent Control and Sensor Fusion for a Tracked Mobile Collaborative Robot Operating in Unstructured Environments

Computer Vision and Computational Intelligence (CVC 2026), Amsterdam — Springer, Lecture Notes in Networks and Systems, pp. 189–203 · ISBN 978-3-032-26213-4 (print), 978-3-032-26214-1 (online) · ISSN 2367-3370 (print), 2367-3389 (online) · DOI 10.1007/978-3-032-26214-1_12

Q4SJR 0.165IR authors 100%*Reported under: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3RoboticsArtificial intelligence

Alexandrov, A., Madzharov, A.

Energy-efficient routing in UAVs supported perimeter security networks

BISEC 2023, CEUR-WS Vol-3676, pp. 44–49 · DOI 10.5281/zenodo.11396636

Q4SJR 0.166IR authors 100%*Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022Task 1.2.6, 1.2.7, 1.2.8Wireless networks & communicationsUASSecurity

Alexandrov, A.

Reducing the WSN’s communication overhead by the SD-SPDZ encryption protocol

BISEC 2023, CEUR-WS Vol-3676, pp. 50–57 · DOI 10.5281/zenodo.11196843

Q4SJR 0.166IR authors 100%*Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022Task 1.2.6, 1.2.7, 1.2.8Wireless networks & communicationsSecurity

Stanev, H., Hristozov, S.

Applicability of JARUS SORA to State UAS Operations in Disaster Relief

Environment. Technology. Resources. Proc. 15th Int. Conf., vol. 4, pp. 244–250 · DOI 10.17770/etr2024vol4.8195

Q4SJR 0.167IR authors 50%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.1.2, 1.2.1Flight safety (SORA)UAS

Yoshinov, R., Kotseva, M., Madzharov, A., Chehlarova, N.

Skills and attitudes towards using AI based chatbots

Environment. Technology. Resources. ETR 2024, vol. 2, pp. 138–142 · DOI 10.17770/etr2024vol2.8064

Q4SJR 0.167IR authors 50%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Artificial intelligenceEducation

Yoshinov, R., Kotseva, M., Madzharov, A., Chehlarova, N.

Implying cybersecurity skills for public administration employees

Environment. Technology. Resources. ETR 2024, vol. 4, pp. 300–304 · DOI 10.17770/etr2024vol4.8238

Q4SJR 0.167IR authors 50%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7SecurityEducation

Gaidarski, I., Chehlarova, N.

Management approaches and application areas of information security in organizations

Environment. Technology. Resources. Proc. 15th Int. Conf., vol. II, Rezekne Academy of Technologies, pp. 110–113 · DOI 10.17770/etr2024vol2.8062

Q4SJR 0.167IR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

Alexandrov, A.

LSTM-RNN method for Anomaly-Based Intrusion Detection Systems

CEUR-WS Vol-3971, pp. 17–33 · DOI 10.5281/zenodo.17682404

SJR, no quartileSJR 0.21IR authors 100%Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022Artificial intelligenceSecurity

Alexandrov, A.

Development of Blockchain-Based Framework for Securing Communication in Wireless Robotic Platforms

CEUR-WS Vol-3971, pp. 42–52 · DOI 10.5281/zenodo.17682573

SJR, no quartileSJR 0.21IR authors 100%Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022SecurityWireless networks & communicationsRobotics

Gaidarski, I., Djambazova, E., Terzieva, V., Ilchev, S.

Aspects of Dependability and Security in Integrated Intelligent Educational Environments

2024 IEEE 12th International Conference on Intelligent Systems (IS), pp. 1–6 · DOI 10.1109/IS61756.2024.10705223

WoS/Scopus, no JCR/SJRIR authors 25%*Reported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7SecurityEducation

Hristozov, S., Stanev, H., Madzharov, A.

Improvement in U-Space Development by Civil-Military Cooperation in a Multi-Domain Operations Environment

ICMCIS 2025 (IST-209-RSY), NATO STO Meeting Proceedings STO-MP-IST-209, Oeiras, Portugal, 13–14 May 2025, pp. 9495-1–8 (Open Access) · ISBN 978-92-837-2605-0 · DOI 10.14339/STO-MP-IST-209-9495-PDF (not yet active)

International academic publisherIR authors 66.67%Funding: NSP DS, MES grant D01-74/19.05.2022UASFlight safety (SORA)

Yoshinov, R., Chehlarova, N., Dishkova, G.

Assessment of teachers’ preparedness in cybersecurity

Problems of Engineering Cybernetics and Robotics 84, BAS, pp. 21–34 · DOI 10.7546/PECR.84.26.02

National academic publisherIR authors 33.33%Funding: NSP DS, MES grant D01-74/19.05.2022SecurityEducation

Yoshinov, R., Dishkova, G., Chehlarova, N.

Assessment of Parents’ Awareness in the Field of Cybersecurity

Problems of Engineering Cybernetics and Robotics 84, BAS, pp. 35–45 · DOI 10.7546/PECR.84.26.03

National academic publisherIR authors 33.33%Funding: NSP DS, MES grant D01-74/19.05.2022SecurityEducation

Dishkova, G., Chehlarova, N.

Recognition and prevention of cyberbullying by students in secondary education

Complex Control Systems 10(2), IR-BAS, pp. 166–171 · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 50%(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022SecurityEducation

Alexandrov, A., Angelov, S.

Design and architecture of perimeter defence intrusion detection systems based on UGV

Engineering Sciences LXII(1), Bulgarian Academy of Sciences, pp. 26–30 · DOI 10.7546/EngSci.LXII.25.01.04

National academic publisherIR authors 50%Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022SecurityRobotics

Madzharov, A.

The Applicability Of Quantum Gyroscopes For Navigation

Engineering Sciences LXII(1), Bulgarian Academy of Sciences, pp. 37–44 · DOI 10.7546/engsci.lxii.25.01.06

National academic publisherIR authors 100%Funding: NSP DS, MES grant D01-74/19.05.2022Navigation

Alexandrov, A.

Mathematical Model and Kinematic Analysis of Rocker-Bogie Suspension Design for UGV Applications

Complex Control Systems 9, IR-BAS, pp. 1–6 · ISSN 1310-8255 (print), 2603-4697 (online) · DOI 10.5281/zenodo.15090498

National academic publisherIR authors 100%(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Robotics

Zahariev, R., Valchkova, N.

Analysis of the Characteristics of the Power Types of Collaborative Service Robots

Complex Control Systems 9(2) — Int. Scientific Conference “Robotics & Mechatronics 2025”, 5–6 November 2025, IR-BAS, Sofia · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Reported under: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3Robotics

Madzharov, A., Georgiev, R., Hristozov, S.

Blockchain enhancing IoD network functionality

Complex Control Systems 8, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.6, 1.2.7, 1.2.8UASSecurity

Hristozov, S., Madzharov, A., Chehlarova, N.

Design of a testing model for evaluation the levels of automation and autonomy of a helicopter autopilot

Complex Control Systems 7, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Conference participation funded by: NSP DS, MES grant D01-74/19.05.2022Task 1.1.2, 1.2.1UASNavigation

Madzharov, A., Hristozov, S., Chehlarova, N., Georgiev, R., Gaidarski, I., Alexandrov, A.

Design of an Unmanned Helicopter System for Collecting and Processing of Geophysical Information

Complex Control Systems 7, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022UASNavigation

Valchkova, N., Zahariev, R., Angelov, G., Paunski, Y., Varbanov, I.

Мобилен колаборативен робот с висока проходимост за антитерористични операции

[Mobile collaborative robot with high cross-country capability for anti-terrorist operations]

Морски научен форум, т. 10, бр. 1: Национална научна програма „Сигурност и отбрана“ – състояние и постигнати резултати (конференция 5–6 ноември 2024 г., ВВМУ „Н. Й. Вапцаров“), с. 129–137 · ISSN 1310-9278 (print), 3033-1889 (online) · DOI 10.63662/5stkwe27

National academic publisherIR authors 100%*(НАЦИД НРС, ID 2118)Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3RoboticsSecurity

Tzvetkov, V., Valchkova, N., Zahariev, R.

Sensory System for Controlling Robot’s Motion

Complex Control Systems 8, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3Robotics

Gaidarski, I.

Some aspects of cybersecurity in Industry 4.0

Complex Control Systems 7, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

Alexandrov, A., Madzharov, A.

Trajectory optimization in large scale UAV-assisted WSNs

Complex Control Systems, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online) · DOI 10.5281/zenodo.10684996

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.6, 1.2.7, 1.2.8UASWireless networks & communications

Raykov, P., Valchkova, N., Zahariev, R.

Алгоритми за моделиране на движенията на роботи с неявно решима позиционна задача на кинематичния анализ за помощ в здравеопазването

[Algorithms for modelling the motions of robots with an implicitly solvable position problem of kinematic analysis for assistance in healthcare]

Complex Control Systems, IR-BAS · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 100%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3Robotics

Gaidarski, I., Kutinchev, P.

Modern Aspects in Information Security in the Field of Robotics

Int. Conf. “Robotics & Mechatronics 2023”, Complex Control Systems · ISSN 1310-8255 (print), 2603-4697 (online)

National academic publisherIR authors 50%*(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022SecurityRobotics

Valchkova, N., Zahariev, R., Tsvetkov, V., Paunski, Y., Angelov, G.

Power Supply Technologies for Collaborative Service Robots: Characteristics and Comparative Overview

The Eurasia Proceedings of Science, Technology, Engineering and Mathematics (EPSTEM) 40 — ICBAST 2026, Konya, Türkiye, pp. 374–390 · ISSN 2602-3199 · DOI 10.55549/epstem.1461

Other databasesIR authors 100%*Reported under: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3Robotics

Valchkova, N., Zahariev, R.

Off-Road Mobile Collaborative Robot for Healthcare

Proceedings of ARCI 2025 — Automation, Robotics & Communications for Industry 4.0/5.0, IFSA Publishing, pp. 167–171 · ISBN 978-84-09-69171-5 · ISSN 2938-4796

Other databasesIR authors 100%*Reported under: NSP DS, MES grant D01-74/19.05.2022Task 1.2.3RoboticsHuman–robot interaction

Gaidarski, I., Madzharov, A.

Applying a New Approach to Consider the Human Factor in the Design of Information Security Systems

Information & Security: An International Journal 55(3), Procon, pp. 261–272 · DOI 10.11610/isij.5546

Other databasesIR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

Alexandrov, A., Madzharov, A.

Design of marine underwater perimeter security system

Институт по отбрана „Проф. Цветан Лазаров“, pp. II-36–II-43

Other databasesIR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022Task 1.2.6, 1.2.7, 1.2.8SecurityWireless networks & communications

Gaidarski, I., Kutinchev, P.

Some aspects of Information Security and Cybersecurity problem area

Problems of Engineering Cybernetics and Robotics 79, BAS, pp. 55–66 · DOI 10.7546/PECR.79.23.03

Other databasesIR authors 50%*Funding: NSP DS, MES grant D01-74/19.05.2022Security

Gaidarski, I., Kutinchev, P.

Съвременни подходи за опазване на чувствителна информация

[Modern approaches to protecting sensitive information]

Сборник „Съвременни изследвания и технологии за отбраната“ (ARTDef), Институт по отбрана „Проф. Цветан Лазаров“

Other databasesIR authors 50%*Funding: NSP DS, MES grant D01-74/19.05.2022Security

A. Madzharov, N. Chehlarova, I. Gaidarski

Information System for Reporting Scientific Publications and Scientometric Indicators with Automated Bibliographic Verification: Source Code and Data (v1.0.0)

Zenodo — Software and data (open access; code Apache-2.0, content CC BY 4.0) · DOI 10.5281/zenodo.23659986

Software (Zenodo)IR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022SoftwareSecurity

A. Madzharov

URSlab Website and Information System for Reporting the Publication Activity of a Scientific Department of BAS: Source Code (v1.1.0)

Zenodo — Software (files with restricted access) · DOI 10.5281/zenodo.23111566

Software (Zenodo)IR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022SoftwareNavigation

A. Madzharov

URSlab Website and Interactive Coordinated-Turn Model: Source Code (v1.0.0)

Zenodo — Software (files with restricted access) · DOI 10.5281/zenodo.23086274

Software (Zenodo)IR authors 100%*Funding: NSP DS, MES grant D01-74/19.05.2022SoftwareNavigation

Gaidarski, I. & Madzharov, A.

Design of Information Security Systems for internal threat protection

Springer series “Communications in Computer and Information Science”, Springer series “Communications in Computer and Information Science” · ISSN 1865-0937

Submitted / in pressExpected: Q4 · SJR 0.181 (2025)IR authors 100%Funding: NSP DS, MES grant D01-74/19.05.2022Security

Gaidarski, I.

Method for design of information security system for sensitive data leak prevention

Journal of Data Science and Intelligent Systems (JDSIS), Bon View Publishing Pte Ltd. · ISSN 2972-3841 (online)

Submitted / in pressExpected: Q1 · SJR 1.035 (2025)IR authors 100%Funding: NSP DS, MES grant D01-74/19.05.2022Security

A. Madzharov, S. Hristozov, I. Gaidarski

A Model of Gravity on the Surface of the Earth’s Ellipsoid Using an Accurate Analytical Relationship Between Geocentric and Geodetic Latitudes

EnviroRISKs 2026 (N. Dobrinkova, S. Fidanova, Eds.) — Springer, Lecture Notes in Networks and Systems 2240 · DOI 10.1007/978-3-032-39070-7_4 (not yet active)

Submitted / in pressExpected: Q4 · SJR 0.165 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022GravityGeodesy

A. Madzharov, S. Hristozov

A Highly Accurate Calculation of the Difference Between Geocentric and Geodetic Latitude in Flight

EnviroRISKs 2026 (N. Dobrinkova, S. Fidanova, Eds.) — Springer, Lecture Notes in Networks and Systems 2240 · DOI 10.1007/978-3-032-39070-7_6 (not yet active)

Submitted / in pressExpected: Q4 · SJR 0.165 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022GeodesyNavigation

Alexandrov, A.

Small Voice Bulgarian Language Model Generation Based on Vosk-Type Methods and Algorithms

TechSys 2026 — 15th Int. Scientific Conference on Engineering, Technology and Systems, MDPI Engineering Proceedings

Submitted / in pressExpected: Q3 · SJR 0.254 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022Artificial intelligence

Alexandrov, A.

Neural Network Approaches for Speech Recognition and Synthesis based on Whisper

INFUS 2026, Ankara, Turkey — Springer, Lecture Notes in Networks and Systems

Submitted / in pressExpected: Q4 · SJR 0.165 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022Artificial intelligence

Alexandrov, A.

Data-Driven Fuzzy Systems for Urban Microclimate Prediction

INFUS 2026, Ankara, Turkey — Springer, Lecture Notes in Networks and Systems

Submitted / in pressExpected: Q4 · SJR 0.165 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022Artificial intelligence

Djambazova, E., Gaidarski, I., Ilchev, S., & Terzieva, V.

Information Security and Dependability in Integrated Intelligent Educational Environments

Advances and Problems in Intelligent Systems (Studies in Systems, Decision and Control), Springer Nature · ISBN 978-3-030-78126-2

Submitted / in pressExpected: Q4 · SJR 0.133 (2025)Reported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7SecurityEducation

A. Madzharov, N. Chehlarova, I. Gaidarski

Information System for Reporting Scientific Publications and Scientometric Indicators with Automated Bibliographic Verification

ICAICTSEE 2026 — 16th Int. Conf. on Application of Information and Communication Technology and Statistics in Economy and Education, UNWE, Sofia — Conference Proceedings

Submitted / in pressExpected: publication March 2027, indexed in CEEOL; NACID NRS, ID 4066Funding: NSP DS, MES grant D01-74/19.05.2022SoftwareSecurity

Gaidarski, I.

Expanding the Taxonomy of Insider Threats in Automated and Autonomous Systems

ICAICTSEE 2026 — 16th Int. Conf. on Application of Information and Communication Technology and Statistics in Economy and Education, UNWE, Sofia — Conference Proceedings · ISSN 2367-7635 (print), 2367-7643 (online)

Submitted / in pressExpected: publication March 2027, indexed in CEEOL; NACID NRS, ID 4066(НАЦИД НРС, ID 4066)Reported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

A. Madzharov

Application of Kummer's Equation for Flight Between Two Geodesic Orthodromes in a Coordinated Turn

AMiTaNS 2026 — IOP Publishing, Journal of Physics: Conference Series

Submitted / in pressExpected: SJR 0.180 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022NavigationGeodesyAvionics

A. Madzharov

Precise Calculations of Gravity Anomalies from the Geometric Height for Autonomous Air Navigation

AMiTaNS 2026 — IOP Publishing, Journal of Physics: Conference Series

Submitted / in pressExpected: SJR 0.180 (2025)Funding: NSP DS, MES grant D01-74/19.05.2022GravityNavigation

Gaidarski, I.

Using disruptive technologies as Blockchains and AI in IoT cybersecurity

Int. Scientific Conference “Robotics & Mechatronics 2025”, Complex Control Systems · ISSN 2603-4697 (online)

Submitted / in press(НАЦИД НРС, ID 767)Funding: NSP DS, MES grant D01-74/19.05.2022SecurityArtificial intelligence

Gaidarski, I.

Designing an information security system to prevent leakage of sensitive information

2025 International Conference on Military Communication and Information Systems (ICMCIS 2025), NATO STO

Submitted / in pressReported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security

Gaidarski, I.

Multilayered conceptual modelling for the design, implementation and optimization of information security systems

ICDTDE 2025 — International Conferences on Digital Technology Driven Engineering, Springer, Lecture Notes in Civil Engineering

Submitted / in pressExpected: Q4 · SJR 0.150 (2025)Reported under: NSP DS, MES grant D01-74/19.05.2022Task 2.1.1, 1.2.7Security