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    Chapter and Conference Paper

    Some Practical Problems of Distribution and Equalization of Internal Loads in Planetary Gear Trains

    The reasons for the uneven distribution of load between the planets in planetary gear trains and the methods for its experimental determination are discussed. An analysis of influencing factors is made up. Bel...

    Kiril Arnaudov, Dimitar Karaivanov, Lubomir Dimitrov in Power Transmissions (2013)

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    Article

    Study on the electromechanical properties of polyimide composites containing TiO 2 nanotubes and carbon nanotubes

    New polyimide composite membranes were prepared by physical incorporation of different amounts of TiO2 nanotubes (TNTs) and carbon nanotubes (CNTs) into a poly(amic acid) solution, followed by film casting and th...

    Mircea Ignat, Dragos Ovezea, Elena Hamciuc, Corneliu Hamciuc in Journal of Polymer Research (2014)

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    Chapter and Conference Paper

    Formalization of Requirements for Locked-Loop Control Systems for Their Numerical Optimization

    Methods of designing regulators for locked systems have been studied and developed for more than half a century. Recently, due to the development of computing and software, numerical optimization methods have ...

    Vadim Zhmud, Galina Frantsuzova in Recent Research in Control Engineering and… (2019)

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    Chapter and Conference Paper

    Examination of the Process of Automated Closure of Containers with Screw Caps

    A test-rig for the study of the parameters of the process of automated closing of containers with screw caps is designed and realized. The purpose of the developed test-rig is to study and manage the parameter...

    Slav Dimitrov, Lubomir Dimitrov in Recent Research in Control Engineering and… (2019)

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    Chapter and Conference Paper

    Acceleration and Increase of Reliability of the Algorithm for Numerical Optimization of the PID-Regulators for Automatic Control Systems

    Designing of regulators (controllers) is relevant in many areas of technology. The analytical calculation of the regulators does not justify itself, since it is possible only for objects that have the simplest...

    Vadim Zhmud, Lubomir Dimitrov in Recent Research in Control Engineering and… (2021)

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    Chapter and Conference Paper

    Reverse Engineering in the Remanufacturing: Metrology, Project Management, Redesign

    The analysis of the concepts used for engineering analysis of existing product samples is given: Remanufacturing, Repair, Reverse engineering, Redesign, Repurposing. In all cases, there is a decryption phase c...

    Viktor Ivanov, Lubomir Dimitrov in New Technologies, Development and Applicat… (2021)

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    Chapter and Conference Paper

    Mechanical Mathematical Modelling of Two-Vehicle Collisions

    Globally, statistical analysis reports show that the most serious vehicle collisions mainly constitute of two-vehicle accidents. The dynamic and kinematic model of car crashes is particularly challenging when ...

    Stanimir Karapetkov, Lubomir Dimitrov in Machine and Industrial Design in Mechanica… (2022)

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    Chapter and Conference Paper

    Influence of Active Vehicle Suspension to Maintain Transverse Stability in Bends

    Active control systems of today’s cars have been used over a vast domain of applications, as they seem to represent a complex compromise between car handling, stability and ride comfort. Finding a balance betw...

    Hristo Uzunov, Stanimir Karapetkov in Machine and Industrial Design in Mechanica… (2022)

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    Chapter and Conference Paper

    Prioritization of Distributed Worker Processes Based on Etcd Locks

    This paper describes the prioritization of iterative processes in corporate information systems. The processes are distributed, and each node is a peer. The nodes coordinate their actions through the etcd repl...

    Teymur Zeynally, Dmitry Demidov in Information Technologies and Intelligent D… (2022)

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    Chapter and Conference Paper

    Investigation of Low to Medium Load Operating Regimes for Roller Bearings in Heavy Industrial Equipment

    Large spherical roller bearings are typically used in heavy low speed industrial applications. This sort of sophisticated bearings has achieved nowadays too high dynamic capacity, thanks to the latest modern b...

    Radomir Karakolev, Lubomir Dimitrov in Machine and Industrial Design in Mechanica… (2022)

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    Chapter and Conference Paper

    Heuristic Search for the Design of Silent Chain Transmissions Using Graphs

    The problem of “rectangling” or “polygonal action” has not been solved for chain drives, either bush roller chains or toothed chains. The search for a fundamentally new chain design was carried out using the h...

    Svitlana Ivanova, Lubomir Dimitrov in New Technologies, Development and Applicat… (2023)

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    Chapter and Conference Paper

    Mind Maps for Key Points of a Reverse Engineering Project

    The choice of the option of further use of damaged equipment - replacement or repair, is always a difficult task. Rapid technological advances have made it imperative to explore the redesign option. The moveme...

    Svitlana Ivanova, Lubomir Dimitrov in New Technologies, Development and Applicat… (2023)

  13. No Access

    Chapter and Conference Paper

    Influence of the Shape of Bevel Gear Wheel Bodies on Their Deformability

    The load distribution in bevel gears depends on many factors, one of which is the deformation of the gear wheel body, which most researchers have neglected. The effect of rim deformation is not reflected in th...

    Viktor Ivanov, Lubomir Dimitrov, Svitlana Ivanova in Advanced Manufacturing Processes V (2024)