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RUDN Journal of Engineering Research
ISSN 2312-8143 · Peoples’ Friendship University of Russia (RUDN University) · 1.024 artikel di indeks
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Artikel Jurnal
Finite Element Simulation of the 3D Printing Process for the Fabrication of Fatigue Test Specimens with Regard to Residual Stresses
Fatigue failure under cyclic loading is a critical concern for design engineers because tensile residual stresses can significantly reduce the service life of a component. Additive manufacturing processes, such as three-dimensional (3D) printing, inherently generate such stresses owing to high…
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Adaptive Algorithm for Decentralized Management of Innovation Projects Under Conditions of Limited Managerial Attention Resources
The study proposes an adaptive algorithm for the decentralized management of innovation projects based on a model of limited managerial attention. Under conditions of increasing project complexity and high uncertainty, the managerial workload within the central control loop becomes a systemic…
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Analysis of the Feasibility of Analytical and Numerical Superposition of Nonlinear Load-Deflection Curves of Helical Wire-Rope Vibration Isolators
Due to the limited number of loading directions for wire-rope vibration isolators for which experimental stiffness characteristics are available, the development of a computational procedure for substantiating their characteristics is relevant. An analysis of a large set of experimental…
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Calculation and Experimental Determination of the Thermal Conductivity of a Material in a Full-Scale Space Structure Under Local Radiation Heating
A method is proposed for determining the in-plane thermal conductivity of composite materials in the reinforcement plane using thermal test data obtained from full-scale space structures without compromising their integrity. The method involves local radiative heating using a halogen lamp, thermal…
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Optimal Path Planning for Wheeled Robots
The automation of agricultural tasks using mobile robots is becoming increasingly important for precision farming. Navigation in complex, dynamic, and unstructured environments, such as fields with uneven terrain, dense vegetation, and obstacles such as rocks or irrigation systems, presents a…
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A Method for Predicting the Lifetime of Power Modules of Power Converters Based on the Analysis of Operational Data
In the context of industrial digital transformation, the transition from scheduled preventive maintenance to condition-based maintenance is a key factor in increasing the reliability of electric drives. Industrial frequency converters (FCs) are critical components of process chains; however…
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Comparative Analysis of Open-Source Object Data Storage Systems
This article examines open-source object storage systems, namely Ceph, OpenStack Swift, and MinIO, with respect to their applicability to secure and efficient storage of multimedia data in enterprise communication systems. The study is based on a comparative analysis of key characteristics…
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Algorithm for Adaptive Control of Dynamic Processes in an Organizational and Technical System Within a Neural-Network Computational Framework
The main objective of this study is to develop an algorithm for the adaptive control of dynamic processes in an organizational and technical system within a neural-network computational framework. To solve the set linear programming problem, a dynamic-static network was used to provide clear…
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Comparison of the Model and the Experiment of Synchronizing Two Shafts with a PID Controller Using Incremental Encoders and Frequency Converters
The precise synchronization of the main drive shaft and the driven shaft of a screw conveyor is a critical industrial task, upon which the overall operability of the screw conveyor depends, as well as the maintenance of the drive shafts, sprockets, and belt in a functional state. This study…
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Development of a Technological Process for Producing and Investigation of Cermet Electrodes Based on TiC-NiCrAl and TiC-NiCrAlY
This study presents a developed technological process for producing cermet electrodes based on TiC-NiCrAl and TiC-NiCrAlY using self-propagating high-temperature synthesis followed by deformation (free SHS compression), intended for applying coatings via electro spark alloying (ESA). The relevance…
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Advances and Future Directions in Floating Buoy Technologyfor Marine Energy and Environmental Applications
Floating buoy technology has rapidly advanced and is integral to marine science, renewable energy harvesting, and environmental monitoring applications. This study synthesizes recent innovations in buoy designs, energy conversion technologies, and hybrid system integration. Key advancements include…
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Improving the Efficiency of Distance Learning with a Minimum Network Load
The rapid onset of the COVID-19 crisis compelled immediate responses to mitigate infection risks, particularly in education. A swift transition to e-learning became a necessity, posing myriad challenges for students and institutions. Issues ranged from technical considerations to educators'…
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Automation of engineering calculations in an information and analytical training system for technosphere safety specialists
This study examines the automation of engineering calculations within an information and analytical training system for specialists in technosphere safety. It applies an optimization approach based on differential calculus to address tasks related to the rapid elimination of emergency consequences…
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Modification of the Structure and Parameters of Genetic Algorithmswith Fuzzy Operators Implemented by Hybrid Controllers
The use of evolutionary genetic AI methods and, in particular, genetic algorithms (GA) ensures the construction of sufficiently universal optimization systems with various architectures and macroparameters. A systematic investigation of GA structures, parameters, and performance has made it…
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Integration of blockchain technologies into managerial decision-making optimization in organizational systems of the defense sector
Industry is entering a new stage of technological development characterized by the integration of digital technologies into management and production processes. In this context, the study of information technologies, particularly blockchain, has become increasingly relevant. The purpose of this…
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Identification and Management of Economic Systems with Network Effects
This study investigates the effectiveness of economic system management from a network perspective. Through ongoing communication, agents form networks that can be described in terms of two contours: an open contour, reflecting interactions with external agents, and an organisationally closed…
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Investigation of the Accuracy Parameters of a Fiber-Optic Gyroscopefor a Small-Sized Inertial Measuring Unit
The study addresses key issues in the development of fiber-optic gyroscopes with an extended angular velocity measurement range for a Small-Sized Inertial Measuring Unit intended for a wide class of highly maneuverable objects. The study focuses on the output characteristics of fiber-optic…
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Reducing the Cost and Improving the Availability of Thread-Locking Compounds Without Compromising Quality and Locking Reliability
The aim of this study is to conduct a comparative analysis and select domestic alternatives to the universal one-component, medium-strength anaerobic thread locker Loctite 243 (Germany). The evaluation criterion was to ensure comparable quality and reliability of locking performance while…
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Artikel Jurnal
Corrosion Wear of Thin-Walled Structural Elements Under Magnetic Field Exposure
Metal structural elements remain the primary construction material in many modern structures, which are subject to stringent requirements for safe and reliable operation. During service, structural elements undergo deformation and are exposed to various physical fields and environmental conditions…
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Visualization of the Agglomeration Processof Copper Particles Used in the Manufacture of Current-Carrying Cellsof Lithium-Ion Batteries
The present study aims to conduct a comparative analysis of dispersion media used for the synthesis and storage of copper nanoparticles derived from copper formate, and to evaluate their suitability for application in current collectors. Particle characteristics in two media, namely ethyl alcohol…
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