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Volume 2449, Issue 1

1 September 2022

All Issues

In this Issue

PRELIMINARY
AUTOMATION, CONTROL SYSTEMS AND ROBOTICS
ELECTRICAL ENGINEERING AND ELECTRONICS
COMPUTER ENGINEERING, INFORMATICS AND COMMUNICATIONS
AUTOMOTIVE AND AERONAUTICAL ENGINEERING
MECHANICAL ENGINEERING
INDUSTRIAL MANAGEMENT AND DESIGN

PRELIMINARY

Preface: 10th International Scientific Conference “TECHSYS 2021” – Engineering, Technologies and Systems

AIP Conf. Proc. 2449, 010001 (2022) https://doi.org/10.1063/12.0009875

View articletitled, Preface: 10th International Scientific Conference “TECHSYS 2021” – Engineering, Technologies and Systems

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AUTOMATION, CONTROL SYSTEMS AND ROBOTICS

Bi-level and optimal control in urban transportation network

Krasimira Stoilova; Todor Stoilov

AIP Conf. Proc. 2449, 020001 (2022) https://doi.org/10.1063/5.0090749

Abstract

View articletitled, Bi-level and optimal control in urban transportation network

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Navigation algorithms for autonomous underwater vehicles (AUVs)

Roxana-Gabriela Damian

AIP Conf. Proc. 2449, 020002 (2022) https://doi.org/10.1063/5.0104911

Abstract

View articletitled, Navigation algorithms for autonomous underwater vehicles (AUVs)

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Conditional feedback control of a model of the current-decoupled AC motor

V. Karlova-Sergieva; N. Nikolova

AIP Conf. Proc. 2449, 020003 (2022) https://doi.org/10.1063/5.0090938

Abstract

View articletitled, Conditional feedback control of a model of the current-decoupled AC motor

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Design of the H_∞ regulator for the stabilization of humanoid robot during walking

Sherif Sherif; Jordan Kralev; Tsonyo Slavov

AIP Conf. Proc. 2449, 020004 (2022) https://doi.org/10.1063/5.0100517

Abstract

View articletitled, Design of the H∞ regulator for the stabilization of humanoid robot during walking

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Improved algorithm for increasing efficiency in capturing and orienting an object with a 6-axle robot and a 2D camera for visual inspection

Boris Kostov; Vladimir Hristov

AIP Conf. Proc. 2449, 020005 (2022) https://doi.org/10.1063/5.0091064

Abstract

View articletitled, Improved algorithm for increasing efficiency in capturing and orienting an object with a 6-axle robot and a 2D camera for visual inspection

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Development of module system for intelligent control of infrared heating

Veneta Yosifova; Denis Chikurtev

AIP Conf. Proc. 2449, 020006 (2022) https://doi.org/10.1063/5.0090984

Abstract

View articletitled, Development of module system for intelligent control of infrared heating

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Conceptual model of distributed architecture for control of modular robots

Denis Chikurtev

AIP Conf. Proc. 2449, 020007 (2022) https://doi.org/10.1063/5.0090670

Abstract

View articletitled, Conceptual model of distributed architecture for control of modular robots

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CAD-based wafer scanning simulations applicable to the field of semiconductor device manufacturing

Nikolay Bratovanov

AIP Conf. Proc. 2449, 020008 (2022) https://doi.org/10.1063/5.0098440

Abstract

View articletitled, CAD-based wafer scanning simulations applicable to the field of semiconductor device manufacturing

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Extending the capabilities of mitsubishi MELFA industrial robot with Raspberry Pi microcomputer – Part 1 (the potential for Raspberry Pi integration)

Danail Slavov; Vladimir Hristov

AIP Conf. Proc. 2449, 020009 (2022) https://doi.org/10.1063/5.0091070

Abstract

View articletitled, Extending the capabilities of mitsubishi MELFA industrial robot with Raspberry Pi microcomputer – Part 1 (the potential for Raspberry Pi integration)

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Extending the capabilities of Mitsubishi MELFA industrial robot with Raspberry Pi microcomputer – Part 2 (integration of Raspberry Pi 3 microcomputer and experimental research)

Danail Slavov; Vladimir Hristov

AIP Conf. Proc. 2449, 020010 (2022) https://doi.org/10.1063/5.0091071

Abstract

View articletitled, Extending the capabilities of Mitsubishi MELFA industrial robot with Raspberry Pi microcomputer – Part 2 (integration of Raspberry Pi 3 microcomputer and experimental research)

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A method for initialization of clusters in graph partitioning on geometric graphs

Vanya Markova; Ventseslav Shopov

AIP Conf. Proc. 2449, 020011 (2022) https://doi.org/10.1063/5.0090663

Abstract

View articletitled, A method for initialization of clusters in graph partitioning on geometric graphs

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Hardware-in-the-loop system for PLC based robust controller design and test for a robotic system for details processing application

M. Gerogiev; N. Nikolova; D. Gospodinova; K. Milanov; A. Georgieva

AIP Conf. Proc. 2449, 020012 (2022) https://doi.org/10.1063/5.0091425

Abstract

View articletitled, Hardware-in-the-loop system for PLC based robust controller design and test for a robotic system for details processing application

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Efficiency estimation of photovoltaic installation utilization in a family house energy system

Metody G. Georgiev; Alexandra N. Georgieva; Dilyana N. Gospodinova; Kostadin G. Milanov

AIP Conf. Proc. 2449, 020013 (2022) https://doi.org/10.1063/5.0091426

Abstract

View articletitled, Efficiency estimation of photovoltaic installation utilization in a family house energy system

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3D modelling of processes based on an industrial robot – Executive technological system

S. Guergov; N. G. Nikolova; B. Grasiani

AIP Conf. Proc. 2449, 020014 (2022) https://doi.org/10.1063/5.0090947

Abstract

View articletitled, 3D modelling of processes based on an industrial robot – Executive technological system

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Tuning of cascade electric drive with current, speed, and position loops control. An example

Ivan Kostov

AIP Conf. Proc. 2449, 020015 (2022) https://doi.org/10.1063/5.0091129

Abstract

View articletitled, Tuning of cascade electric drive with current, speed, and position loops control. An example

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Tripteron parallel robot

Kristina Petkova; Milcho Tashev

AIP Conf. Proc. 2449, 020016 (2022) https://doi.org/10.1063/5.0099206

Abstract

View articletitled, Tripteron parallel robot

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Generalized assessment of the technical parameters of industrial robots for extraction of castings from high-pressure casting machines

Stiliyan Nikolov; Reneta Dimitrova; Ivo Malakov; Velizar Zacharinov; Grigor Stambolov

AIP Conf. Proc. 2449, 020017 (2022) https://doi.org/10.1063/5.0090657

Abstract

View articletitled, Generalized assessment of the technical parameters of industrial robots for extraction of castings from high-pressure casting machines

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Telegram and discord as a part in control system

Stoitcho Penkov; Albena Taneva

AIP Conf. Proc. 2449, 020018 (2022) https://doi.org/10.1063/5.0103255

Abstract

View articletitled, Telegram and discord as a part in control system

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ELECTRICAL ENGINEERING AND ELECTRONICS

Enhancing the accuracy and speed of the finite element analysis of open boundary magnetic problems

Vasil Spasov

AIP Conf. Proc. 2449, 030001 (2022) https://doi.org/10.1063/5.0090987

Abstract

View articletitled, Enhancing the accuracy and speed of the finite element analysis of open boundary magnetic problems

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Control of modified robotic system for mechanical processing of parts

Metody G. Georgiev; Dilyana N. Gospodinova; K. G. Milanov; Alexandra N. Georgieva

AIP Conf. Proc. 2449, 030002 (2022) https://doi.org/10.1063/5.0091433

Abstract

View articletitled, Control of modified robotic system for mechanical processing of parts

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A study of energy recovery in an asymmetric bridge converter for a three-phase 12/8 SRM in generating mode

Dimitar Yankov; Tsvetana Grigorova; Albena Pavlova

AIP Conf. Proc. 2449, 030003 (2022) https://doi.org/10.1063/5.0090678

Abstract

View articletitled, A study of energy recovery in an asymmetric bridge converter for a three-phase 12/8 SRM in generating mode

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Behavioural modelling of an average current-mode control of a boost DC/DC converter

Tsvetana Grigorova; Ivan Maradzhiev

AIP Conf. Proc. 2449, 030004 (2022) https://doi.org/10.1063/5.0090676

Abstract

View articletitled, Behavioural modelling of an average current-mode control of a boost DC/DC converter

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An implementation of microstepping control of stepper motor based on programmable logic devices

Dancho Ivanov; Ivan Maradzhiev

AIP Conf. Proc. 2449, 030005 (2022) https://doi.org/10.1063/5.0091926

Abstract

View articletitled, An implementation of microstepping control of stepper motor based on programmable logic devices

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CPLD based design of a washing machine

Vladimir Hristov; Marin Zhilevski

AIP Conf. Proc. 2449, 030006 (2022) https://doi.org/10.1063/5.0091000

Abstract

View articletitled, CPLD based design of a washing machine

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Development kit for recording and processing of EOG signals for eye tracking

Syuleyman Pazvantov; Galidiya Petrova

AIP Conf. Proc. 2449, 030007 (2022) https://doi.org/10.1063/5.0091127

Abstract

View articletitled, Development kit for recording and processing of EOG signals for eye tracking

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Replacement of solid fuel power generating capacities by photovoltaic power

Stanimir Stefanov

AIP Conf. Proc. 2449, 030008 (2022) https://doi.org/10.1063/5.0090804

Abstract

View articletitled, Replacement of solid fuel power generating capacities by photovoltaic power

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Piezoelectric springy wind generator

Nikola Georgiev; Raycho Raychev; Vasilina Zlatanova

AIP Conf. Proc. 2449, 030009 (2022) https://doi.org/10.1063/5.0090961

Abstract

View articletitled, Piezoelectric springy wind generator

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Study of the influence of the translational magnets on the electrical parameters of linear generators with rotating magnets in the stator windings

Nikola Georgiev; Raycho Raychev; Vasilina Zlatanova

AIP Conf. Proc. 2449, 030010 (2022) https://doi.org/10.1063/5.0090962

Abstract

View articletitled, Study of the influence of the translational magnets on the electrical parameters of linear generators with rotating magnets in the stator windings

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Thermal management of laser projection systems for indoor and outdoor use

Svetozar Ilchev; Alexander Alexandrov; Zlatoliliya Ilcheva

AIP Conf. Proc. 2449, 030011 (2022) https://doi.org/10.1063/5.0091126

Abstract

View articletitled, Thermal management of laser projection systems for indoor and outdoor use

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COMPUTER ENGINEERING, INFORMATICS AND COMMUNICATIONS

Prospects for the development of digital economy in the Republic of Kazakhstan

Botakoz Issina; Saule Bekzhanova; Simeon Ananiev; Akbope Kenzhekeeva

AIP Conf. Proc. 2449, 040001 (2022) https://doi.org/10.1063/5.0103817

Abstract

View articletitled, Prospects for the development of digital economy in the Republic of Kazakhstan

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Application of graphic processing units in deep learning algorithms

Teodora Hristeva

AIP Conf. Proc. 2449, 040002 (2022) https://doi.org/10.1063/5.0091076

Abstract

View articletitled, Application of graphic processing units in deep learning algorithms

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Challenges in collecting and transmitting data from resource-constrained IoT devices

Georgi Gochev; Svetoslav Enkov; Emil Doychev; Atanas Terziyski

AIP Conf. Proc. 2449, 040003 (2022) https://doi.org/10.1063/5.0090650

Abstract

View articletitled, Challenges in collecting and transmitting data from resource-constrained IoT devices

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Analysis of the protection granted to blockchain in the operation of the task of the byzantine generals (byzantine fault tolerance (BFT), byzantine agreement problem, byzantine generals problem)

Georgi Iskrov

AIP Conf. Proc. 2449, 040004 (2022) https://doi.org/10.1063/5.0090799

Abstract

View articletitled, Analysis of the protection granted to blockchain in the operation of the task of the byzantine generals (byzantine fault tolerance (BFT), byzantine agreement problem, byzantine generals problem)

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Comparative research the efficiency of algorithmic procedure for special post-determination of incompletely defined logical functions using integer numeric tables

Spiridon Arnaudov; Galidiya Petrova

AIP Conf. Proc. 2449, 040005 (2022) https://doi.org/10.1063/5.0091452

Abstract

View articletitled, Comparative research the efficiency of algorithmic procedure for special post-determination of incompletely defined logical functions using integer numeric tables

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An algorithm for automated transformation of the information from relational databases to JSON and XML

Nikolay I. Nikolov

AIP Conf. Proc. 2449, 040006 (2022) https://doi.org/10.1063/5.0092006

Abstract

View articletitled, An algorithm for automated transformation of the information from relational databases to JSON and XML

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A review of security mechanisms and open issues of containerized deployments

Radoslav Furnadzhiev; Mitko Shopov

AIP Conf. Proc. 2449, 040007 (2022) https://doi.org/10.1063/5.0092131

Abstract

View articletitled, A review of security mechanisms and open issues of containerized deployments

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Analysing privacy policies

Kamen Stoykov; Milena Lazarova

AIP Conf. Proc. 2449, 040008 (2022) https://doi.org/10.1063/5.0091928

Abstract

View articletitled, Analysing privacy policies

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Reinforcement learning algorithms using for agent behaviour modelling and researching

Veselka Petrova-Dimitrova

AIP Conf. Proc. 2449, 040009 (2022) https://doi.org/10.1063/5.0090866

Abstract

View articletitled, Reinforcement learning algorithms using for agent behaviour modelling and researching

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KM agent approach to the march of industry 4.0

Teodora Bakardjieva; Veselina Spasova; Antonina Ivanova; Evgeniya Rakitina

AIP Conf. Proc. 2449, 040010 (2022) https://doi.org/10.1063/5.0091444

Abstract

View articletitled, KM agent approach to the march of industry 4.0

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Modelling of more realistic intelligent virtual agent in virtual and mixed reality

Dilyana Budakova; Veselka Petrova-Dimitrova; Velyo Vasilev; Lyudmil Dakovski

AIP Conf. Proc. 2449, 040011 (2022) https://doi.org/10.1063/5.0090660

Abstract

View articletitled, Modelling of more realistic intelligent virtual agent in virtual and mixed reality

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Fault tolerance of the traffic lights

Vladimir Ivanov

AIP Conf. Proc. 2449, 040012 (2022) https://doi.org/10.1063/5.0090901

Abstract

View articletitled, Fault tolerance of the traffic lights

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Fake news detection from Bulgarian Facebook pages

Tsvetelina Mladenova; Irena Valova

AIP Conf. Proc. 2449, 040013 (2022) https://doi.org/10.1063/5.0091884

Abstract

View articletitled, Fake news detection from Bulgarian Facebook pages

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Outlier detection in traffic data set

Teodora Mecheva

AIP Conf. Proc. 2449, 040014 (2022) https://doi.org/10.1063/5.0093554

Abstract

View articletitled, Outlier detection in traffic data set

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Block criteria systematization with AHP-entropy-MOORA approach in MCDM for selecting PCs

Iliyan Petrov

AIP Conf. Proc. 2449, 040015 (2022) https://doi.org/10.1063/5.0091172

Abstract

View articletitled, Block criteria systematization with AHP-entropy-MOORA approach in MCDM for selecting PCs

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Main probabilistic characteristics of sensors operating in discreet mode

Nikolay Litchkov; Atanas Nachev; Daniela Pavlova

AIP Conf. Proc. 2449, 040016 (2022) https://doi.org/10.1063/5.0090800

Abstract

View articletitled, Main probabilistic characteristics of sensors operating in discreet mode

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A posteriori probability for presence of an object by data from one class of sensors

Nikolay Litchkov; Atanas Nachev; Daniela Pavlova

AIP Conf. Proc. 2449, 040017 (2022) https://doi.org/10.1063/5.0090801

Abstract

View articletitled, A posteriori probability for presence of an object by data from one class of sensors

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Computer support in decision making on real estate market

Todor Stoilov; Krasimira Stoilova; Miroslav Vladimirov

AIP Conf. Proc. 2449, 040018 (2022) https://doi.org/10.1063/5.0090767

Abstract

View articletitled, Computer support in decision making on real estate market

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Computation community cloud on low power devices

Stoyan Cheresharov; Stanka Hadzhikoleva; Emil Hadzhikolev; Georgi Gustinov

AIP Conf. Proc. 2449, 040019 (2022) https://doi.org/10.1063/5.0101312

Abstract

View articletitled, Computation community cloud on low power devices

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AUTOMOTIVE AND AERONAUTICAL ENGINEERING

Numerical study of radial high-pressure blower with frequency converter

Viktor Stoyanov; Valyo Nikolov

AIP Conf. Proc. 2449, 050001 (2022) https://doi.org/10.1063/5.0090994

Abstract

View articletitled, Numerical study of radial high-pressure blower with frequency converter

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Numerical study on convective heat exchange between impinging gas jets and solid surfaces

Viktor Stoyanov; Valyo Nikolov

AIP Conf. Proc. 2449, 050002 (2022) https://doi.org/10.1063/5.0090995

Abstract

View articletitled, Numerical study on convective heat exchange between impinging gas jets and solid surfaces

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Study of statistical characteristics of the carbon monoxide (CO) and the air ratio (λ) in the exhaust gases of petrol engines

G. D. Palagachev

AIP Conf. Proc. 2449, 050003 (2022) https://doi.org/10.1063/5.0103050

Abstract

View articletitled, Study of statistical characteristics of the carbon monoxide (CO) and the air ratio (λ) in the exhaust gases of petrol engines

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Determination of static and dynamic stability characteristics of a sailplane based on CFD analysis. Part 1 static stability

Ivo Angelov Angelov; Simeon Hristov Simeonov

AIP Conf. Proc. 2449, 050004 (2022) https://doi.org/10.1063/5.0090772

Abstract

View articletitled, Determination of static and dynamic stability characteristics of a sailplane based on CFD analysis. Part 1 static stability

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Determination of static and dynamic stability characteristics of a sailplane based on CFD analysis. Part 2 dynamic stability

Ivo Angelov Angelov; Simeon Hristov Simeonov

AIP Conf. Proc. 2449, 050005 (2022) https://doi.org/10.1063/5.0090773

Abstract

View articletitled, Determination of static and dynamic stability characteristics of a sailplane based on CFD analysis. Part 2 dynamic stability

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Data acquisition system for small propeller test rig

Gabriel Georgiev; Vladimir Serbezov; Michael Todorov

AIP Conf. Proc. 2449, 050006 (2022) https://doi.org/10.1063/5.0092112

Abstract

View articletitled, Data acquisition system for small propeller test rig

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Vehicles acceleration rate study for intergreen time of a signal cycle compute

D. N. Saliev; I. S. Damyanov

AIP Conf. Proc. 2449, 050007 (2022) https://doi.org/10.1063/5.0091882

Abstract

View articletitled, Vehicles acceleration rate study for intergreen time of a signal cycle compute

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Integrated brake disc temperature measurement system

G. D. Mladenov; D. N. Saliev; H. Abdurahman

AIP Conf. Proc. 2449, 050008 (2022) https://doi.org/10.1063/5.0091883

Abstract

View articletitled, Integrated brake disc temperature measurement system

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CNG effect on performance parameters of diesel engine operated on dual-fuel mode

Evgeni Dimitrov; Atanasi Tashev

AIP Conf. Proc. 2449, 050009 (2022) https://doi.org/10.1063/5.0091441

Abstract

View articletitled, CNG effect on performance parameters of diesel engine operated on dual-fuel mode

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LPG effect on performance parameters of diesel engine operated on dual-fuel mode

Atanasi Tashev; Evgeni Dimitrov

AIP Conf. Proc. 2449, 050010 (2022) https://doi.org/10.1063/5.0091488

Abstract

View articletitled, LPG effect on performance parameters of diesel engine operated on dual-fuel mode

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Theoretical study of a spading machine with a horizontal arm

Yordan Stoyanov

AIP Conf. Proc. 2449, 050011 (2022) https://doi.org/10.1063/5.0091094

Abstract

View articletitled, Theoretical study of a spading machine with a horizontal arm

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An approach for modeling the attenuation of UHF oscillations in a class of composite materials

Nikolay L. Gueorguiev; Nikolai Zh Kolev; Atanas D. Nachev

AIP Conf. Proc. 2449, 050012 (2022) https://doi.org/10.1063/5.0090802

Abstract

View articletitled, An approach for modeling the attenuation of UHF oscillations in a class of composite materials

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Determination of attenuations of ultra-high-frequency oscillations in a class of composite materials by a waveguide measuring line

Nikolay L. Gueorguiev; Nikolai Zh Kolev; Atanas D. Nachev

AIP Conf. Proc. 2449, 050013 (2022) https://doi.org/10.1063/5.0090803

Abstract

View articletitled, Determination of attenuations of ultra-high-frequency oscillations in a class of composite materials by a waveguide measuring line

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MECHANICAL ENGINEERING

Investigation of different FDM/FFF 3D printing methods for improving the surface quality of 3D printed parts

Mihail Zagorski; Yavor Sofronov; Denitsa Ivanova; Krasimira Dimova

AIP Conf. Proc. 2449, 060001 (2022) https://doi.org/10.1063/5.0090805

Abstract

View articletitled, Investigation of different FDM/FFF 3D printing methods for improving the surface quality of 3D printed parts

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Fused deposition modeling: From idea to physical part

Maurice Schwicker; Nikolay Nikolov

AIP Conf. Proc. 2449, 060002 (2022) https://doi.org/10.1063/5.0090857

Abstract

View articletitled, Fused deposition modeling: From idea to physical part

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The importance of the initial diameter on the mechanical properties of steel rods after accelerated corrosion test

Veselin Tsonev; Nikolay Nikolov; Kamen Penkov

AIP Conf. Proc. 2449, 060003 (2022) https://doi.org/10.1063/5.0091466

Abstract

View articletitled, The importance of the initial diameter on the mechanical properties of steel rods after accelerated corrosion test

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The influence of feed rate and cutting speed to surface roughness during hole boring of AISI 304 with anti-vibration boring bar

Sabi Sabev; Plamen Kasabov

AIP Conf. Proc. 2449, 060004 (2022) https://doi.org/10.1063/5.0091006

Abstract

View articletitled, The influence of feed rate and cutting speed to surface roughness during hole boring of AISI 304 with anti-vibration boring bar

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Determination of the dynamic modulus of elasticity E_d of AlSi18Cu3CrMn alloy

Sabi Sabev; Plamen Kasabov

AIP Conf. Proc. 2449, 060005 (2022) https://doi.org/10.1063/5.0091007

Abstract

View articletitled, Determination of the dynamic modulus of elasticity Ed of AlSi18Cu3CrMn alloy

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Design, machining and calibration of a strain gauge loadcell

Veselin Tsonev; Nikola Kuzmanov

AIP Conf. Proc. 2449, 060006 (2022) https://doi.org/10.1063/5.0091463

Abstract

View articletitled, Design, machining and calibration of a strain gauge loadcell

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Design and simulation of mould tools with conformal cooling system based on multi-shot moulding technology

T. Todorov; B. Romanov; Y. Sofronov

AIP Conf. Proc. 2449, 060007 (2022) https://doi.org/10.1063/5.0090748

Abstract

View articletitled, Design and simulation of mould tools with conformal cooling system based on multi-shot moulding technology

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New product development and production in extremely short terms – Safety goggles

G. Todorov; Y. Sofronov; B. Romanov; T. Gavrilov

AIP Conf. Proc. 2449, 060008 (2022) https://doi.org/10.1063/5.0092804

Abstract

View articletitled, New product development and production in extremely short terms – Safety goggles

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Electron-beam physical vapor deposition of diamond-like carbon coatings on Si substrates

Stanislava Rabadzhyiska; Georgi Kotlarski; Stefan Valkov; Maria Ormanova; Maria Shipochka; Peter Petrov

AIP Conf. Proc. 2449, 060009 (2022) https://doi.org/10.1063/5.0094838

Abstract

View articletitled, Electron-beam physical vapor deposition of diamond-like carbon coatings on Si substrates

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A case study of experimental evaluation of the properties of shape memory alloy wires

Rosen Mitrev; Todor S. Todorov

AIP Conf. Proc. 2449, 060010 (2022) https://doi.org/10.1063/5.0091153

Abstract

View articletitled, A case study of experimental evaluation of the properties of shape memory alloy wires

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Innovative production of high-strength cold-rolled steel for precision electric-welded pipes

Miglena Paneva; Peter Panev

AIP Conf. Proc. 2449, 060011 (2022) https://doi.org/10.1063/5.0091248

Abstract

View articletitled, Innovative production of high-strength cold-rolled steel for precision electric-welded pipes

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New type of innovative holder for test specimen

Miglena Paneva; Nikolay Stoimenov; Peter Panev

AIP Conf. Proc. 2449, 060012 (2022) https://doi.org/10.1063/5.0091251

Abstract

View articletitled, New type of innovative holder for test specimen

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Influence of Zn as minority alloying element on the uniform and local corrosion of amorphous rapidly solidified AlCuMg(Zn) ribbons

Vanya Dyakova; Boriana Tzaneva; Yoanna Kostova

AIP Conf. Proc. 2449, 060013 (2022) https://doi.org/10.1063/5.0090752

Abstract

View articletitled, Influence of Zn as minority alloying element on the uniform and local corrosion of amorphous rapidly solidified AlCuMg(Zn) ribbons

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Influence of Zr and Zn as minority alloying elements on glass forming ability and crystallization behavior of rapidly solidified alcumg ribbons

Vanya Dyakova; Georgi Stefanov; Daniela Kovacheva; Yana Mourdjeva; Nikolay Marinkov; Ivan Penkov; Jordan Georgiev

AIP Conf. Proc. 2449, 060014 (2022) https://doi.org/10.1063/5.0090746

Abstract

View articletitled, Influence of Zr and Zn as minority alloying elements on glass forming ability and crystallization behavior of rapidly solidified alcumg ribbons

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Technology for production of welding wire from waste aluminum alloys chips by the method of friction extrusion

Yasen Hadjitodorov; Desislava Krusteva; Rositza Dimitrova; Plamen Tashev

AIP Conf. Proc. 2449, 060015 (2022) https://doi.org/10.1063/5.0091010

Abstract

View articletitled, Technology for production of welding wire from waste aluminum alloys chips by the method of friction extrusion

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Validation of virtual prototyping methodology for acoustics assessment of railway wheel

G. D. Todorov; K. H. Kamberov; Ivanov Tz

AIP Conf. Proc. 2449, 060016 (2022) https://doi.org/10.1063/5.0096229

Abstract

View articletitled, Validation of virtual prototyping methodology for acoustics assessment of railway wheel

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Experimental study of models of an adaptive wind turbine

Hristo Nedev; Stanimir Penchev

AIP Conf. Proc. 2449, 060017 (2022) https://doi.org/10.1063/5.0091174

Abstract

View articletitled, Experimental study of models of an adaptive wind turbine

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Study of the corrosion behavior of aluminum-silicon alloy AlSi18Cu3CrMn in acidic media

Kalina Kamarska

AIP Conf. Proc. 2449, 060018 (2022) https://doi.org/10.1063/5.0090753

Abstract

View articletitled, Study of the corrosion behavior of aluminum-silicon alloy AlSi18Cu3CrMn in acidic media

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Corrosion of AlSi18Cu3CrMn aluminum alloy in a chloride-containing medium

Kalina Kamarska

AIP Conf. Proc. 2449, 060019 (2022) https://doi.org/10.1063/5.0090754

Abstract

View articletitled, Corrosion of AlSi18Cu3CrMn aluminum alloy in a chloride-containing medium

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Investigation of the influence of heat treatment on the structure and properties of aluminum-silicon alloy AlSi18Cu3CrMn

Boyan Dochev; Ivan Panov; Desislava Dimova

AIP Conf. Proc. 2449, 060020 (2022) https://doi.org/10.1063/5.0090968

Abstract

View articletitled, Investigation of the influence of heat treatment on the structure and properties of aluminum-silicon alloy AlSi18Cu3CrMn

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Comparative study of corrosion of aluminum alloy AlSi25 used in the automotive industry

Ivan Panov; Boyan Dochev; Desislava Dimova

AIP Conf. Proc. 2449, 060021 (2022) https://doi.org/10.1063/5.0090973

Abstract

View articletitled, Comparative study of corrosion of aluminum alloy AlSi25 used in the automotive industry

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Sorption isotherms and characteristics of a mixture of brown linseed and white mulberry

Albena Georgieva Durakova; Adelina Lazarova Vasileva; Kornelia Borislavova Choroleeva

AIP Conf. Proc. 2449, 060022 (2022) https://doi.org/10.1063/5.0090830

Abstract

View articletitled, Sorption isotherms and characteristics of a mixture of brown linseed and white mulberry

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Modelling of the desorption characteristics of a mixture of linseed and fruit granules

Albena Georgieva Durakova; Adelina Lazarova Vasileva; Milena Lyubomirova Temelkova

AIP Conf. Proc. 2449, 060023 (2022) https://doi.org/10.1063/5.0090838

Abstract

View articletitled, Modelling of the desorption characteristics of a mixture of linseed and fruit granules

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Modern problems and tendencies of effective accuracy control of turning operations

Svetlana Koleva; Milko Enchev

AIP Conf. Proc. 2449, 060024 (2022) https://doi.org/10.1063/5.0090675

Abstract

View articletitled, Modern problems and tendencies of effective accuracy control of turning operations

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Investigation of Bi-Zn binary system using wet chemical synthesis for application of lead free solders

Ivalina Petrova; Vanya Gandova

AIP Conf. Proc. 2449, 060025 (2022) https://doi.org/10.1063/5.0090727

Abstract

View articletitled, Investigation of Bi-Zn binary system using wet chemical synthesis for application of lead free solders

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Optimizing the machining of mold elements in CAM environment

Stiliyan Nikolov; Dimitar Panayotov

AIP Conf. Proc. 2449, 060026 (2022) https://doi.org/10.1063/5.0090658

Abstract

View articletitled, Optimizing the machining of mold elements in CAM environment

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INDUSTRIAL MANAGEMENT AND DESIGN

The role of human capital in strategy map application in organizations

Desislava Shatarova; Nadezhda Geshanova

AIP Conf. Proc. 2449, 070001 (2022) https://doi.org/10.1063/5.0092116

Abstract

View articletitled, The role of human capital in strategy map application in organizations

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Impact of HRM activities digitisation on the competitiveness of industrial enterprises

Toni Mihova; Ivelina Ivanova; Kiril Angelov

AIP Conf. Proc. 2449, 070002 (2022) https://doi.org/10.1063/5.0090974

Abstract

View articletitled, Impact of HRM activities digitisation on the competitiveness of industrial enterprises

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Yield modelling in support of industrial investment planning

Veneta Markovska; Stanimir Kabaivanov

AIP Conf. Proc. 2449, 070003 (2022) https://doi.org/10.1063/5.0090667

Abstract

View articletitled, Yield modelling in support of industrial investment planning

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“Tax migration” problems with transport enterprises in the municipalities of the Republic of Bulgaria

Nikolay Stoyuv Katrandzhiev

AIP Conf. Proc. 2449, 070004 (2022) https://doi.org/10.1063/5.0098887

Abstract

View articletitled, “Tax migration” problems with transport enterprises in the municipalities of the Republic of Bulgaria

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Game-based approach in mobile learning for primary school

Margarita Gocheva; Elena Somova; Nikolay Kasakliev

AIP Conf. Proc. 2449, 070005 (2022) https://doi.org/10.1063/5.0090671

Abstract

View articletitled, Game-based approach in mobile learning for primary school

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Exploring the challenges for funding intergeneration family businesses

Daniel Pavlov; Pavel Vitliemov

AIP Conf. Proc. 2449, 070006 (2022) https://doi.org/10.1063/5.0090852

Abstract

View articletitled, Exploring the challenges for funding intergeneration family businesses

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Technology solutions and challenges for innovations that will improve our lives in pandemic crisis

Pavel Vitliemov; Bozhana Stoycheva

AIP Conf. Proc. 2449, 070007 (2022) https://doi.org/10.1063/5.0090653

Abstract

View articletitled, Technology solutions and challenges for innovations that will improve our lives in pandemic crisis

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Start-ups’ success factors – Evidence from Balkans

Georgi Kaloferov; Stanimir Kabaivanov

AIP Conf. Proc. 2449, 070008 (2022) https://doi.org/10.1063/5.0090742

Abstract

View articletitled, Start-ups’ success factors – Evidence from Balkans

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Categorization of typographic competence in graphic design

Nadezhda Angelova

AIP Conf. Proc. 2449, 070009 (2022) https://doi.org/10.1063/5.0090891

Abstract

View articletitled, Categorization of typographic competence in graphic design

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Transformation of social values in the process of industrialization and its effect on environmental protection

Daniela Pastarmadzhieva; Mina Angelova

AIP Conf. Proc. 2449, 070010 (2022) https://doi.org/10.1063/5.0090672

Abstract

View articletitled, Transformation of social values in the process of industrialization and its effect on environmental protection

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Industries in the context of globalization and innovation – The world before Covid 19

Stefan Raychev; Dobrinka Stoyanova; Blaga Madzhurova

AIP Conf. Proc. 2449, 070011 (2022) https://doi.org/10.1063/5.0090784

Abstract

View articletitled, Industries in the context of globalization and innovation – The world before Covid 19

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Selection of a transportation option for the procurement of goods in small batches for own needs in order to increase the efficiency of operational planning

Maria Chulkova; Silviya Salapateva

AIP Conf. Proc. 2449, 070012 (2022) https://doi.org/10.1063/5.0091312

Abstract

View articletitled, Selection of a transportation option for the procurement of goods in small batches for own needs in order to increase the efficiency of operational planning

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A note on the market equilibrium in oligopoly with three industrial players

Yulia Dzhabarova; Boyan Zlatanov

AIP Conf. Proc. 2449, 070013 (2022) https://doi.org/10.1063/5.0090936

Abstract

View articletitled, A note on the market equilibrium in oligopoly with three industrial players

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Resistance against changes in Bulgarian industrial enterprises – Reasons and methods for overcoming

Tanya Gigova; Valentina Nikolova-Alexieva; Katina Valeva

AIP Conf. Proc. 2449, 070014 (2022) https://doi.org/10.1063/5.0091167

Abstract

View articletitled, Resistance against changes in Bulgarian industrial enterprises – Reasons and methods for overcoming

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Main participants in business process reengineering projects

Tanya Gigova; Katina Valeva; Valentina Nikolova-Alexieva

AIP Conf. Proc. 2449, 070015 (2022) https://doi.org/10.1063/5.0091171

Abstract

View articletitled, Main participants in business process reengineering projects

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Global crisis and economic crashes due to COVID-19 pandemic (comparative research of the EU South-East countries)

Mina Angelova; Daniela Pastarmadzhieva

AIP Conf. Proc. 2449, 070016 (2022) https://doi.org/10.1063/5.0090759

Abstract

View articletitled, Global crisis and economic crashes due to COVID-19 pandemic (comparative research of the EU South-East countries)

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The new leadership paradigm – A prospect for the growth of modern industrial enterprises

Ivelina Kulova

AIP Conf. Proc. 2449, 070017 (2022) https://doi.org/10.1063/5.0090960

Abstract

View articletitled, The new leadership paradigm – A prospect for the growth of modern industrial enterprises

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Estimates of human capital returns of managerial job positions in Bulgarian economy “the case of the University of Plovdiv”

Atanas Vladikov

AIP Conf. Proc. 2449, 070018 (2022) https://doi.org/10.1063/5.0090659

Abstract

View articletitled, Estimates of human capital returns of managerial job positions in Bulgarian economy “the case of the University of Plovdiv”

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An attempt of adaptability of the learning process and content in mobile math educational game

Margarita Gocheva; Nikolay Kasakliev; Elena Somova

AIP Conf. Proc. 2449, 070019 (2022) https://doi.org/10.1063/5.0090673

Abstract

View articletitled, An attempt of adaptability of the learning process and content in mobile math educational game

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