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Модели, системы, сети в экономике, технике, природе и обществе
ISSN 2227-8486 · Penza State University Publishing House · 217 artikel di indeks
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Artikel Jurnal
CONJUGATION OF A FLAT CURVE LOCALLY DEFINED COMPARTMENTS: SMOOTHNESS ESTIMATION
Background . A mathematical apparatus is proposed for estimating the coupling smoothness of flat curve composite segments. The segment are a new type of geometric primitive connecting several reference points (interpolation nodes) that define the shape of the curve. A curve feature of interpolation…
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APPLICATION OF A RISK-BASED EQUIPMENT REPAIR MANAGEMENT METHOD AT AGRO-INDUSTRIAL COMPLEX ENTERPRISES
Background . The article raises the problem of the lack of an integrated approach to the organization of maintenance and repair of equipment, taking into account the fact that the current regulatory and technical framework for maintenance was created without taking into account the potential of…
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IMPORTANCE OF APPLYING FOREIGN EXPERIENCE IN EXPORTING LEGUMINOUS CROPS TO EXPAND RUSSIA'S EXPORT POTENTIALAND RUSSIA'S EXPORT POTENTIAL
Background. The use of foreign experience in the export of leguminous crops can be useful for expanding the export potential of Russia. This is due to the fact that in foreign practice various measures to stimulate the export of agricultural products are used, as well as instruments of state…
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EVALUATION OF THE CLASSIFICATION ACCURACY OF OBJECTS WITH A HETEROGENEOUS SET OF FEATURES IN THE FORM OF GRAPH-CHROMATIC MAPS
Background. Current issues of classifying objects with a heterogeneous feature space are considered. Classification criteria are formalized using the proposed formal apparatus of the integral classification criterion (ICC), which includes numerical, categorical and textual features. The aim of the…
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SIMULATION OF THE STRUCTURE OF A TWOCOMPONENT CONDUCTIVE POLYMER USED IN SIMPLIFIED MOCK-UP STUDIES OF THE EQUIVALENT OF HUMAN SKIN
Background. The development of conductive materials that mimic the electrical properties of human skin is a vital task for creating electrophysiological manikins. The purpose of this work is to propose and substantiate an equivalent model of the internal structure of a two-component polymer…
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DEVELOPMENT OF A SYNTACTIC ANALYSIS PROGRAM MODULE FOR DYNAMIC DATA PROCESSING IN THE INDUSTRIAL INTERNET OF THINGS SYSTEM BASED ON FRACTIONAL COMPUTING
Background. In Industrial Internet of Things (IIoT) systems based on edge computing, there is a need for flexible configuration of data processing algorithms without interrupting the technological process. The use of hard coding limits adaptability, while standard dynamic code execution functions…
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DIMENSIONAL REDUCTION OF LINEAR REGRESSION TAKING INTO ACCOUNT A GIVEN LEVEL OF APPROXIMATION ERRORS
Background. Quite often, when constructing regression models for real complex objects, it becomes necessary to reduce their dimension in order to eliminate the multicollinearity of variables or exclude statistically insignificant factors. Usually, the main component methods are used, as well as…
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OBJECTS’ PURPOSEFUL MOTION MODELING PROJECTS
Background . The aim of the study is modeling the features of designing the object’s extreme translational acceleration, taking into account the facilitation of its practical implementation and reducing the energy coercion to achieve the purpose. Materials and methods . Using the algorithm for…
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CRITERIA AND INDICATORS FOR ASSESSING THE MODEL OF CONTINUOUS DIGITAL TRAINING FOR EMPLOYEES OF INDUSTRIAL ENTERPRISES
Background . In this article, the authors examine the problem of defining criteria and indicators for evaluating a model of continuous digital education for employees of industrial enterprises, which is highly relevant in the context of the current stage of economic and technological development…
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ASSESSMENT OF THE IMPACT OF NEW GOVERNMENT SUPPORT REGULATIONS ON THE EFFICIENCY OF INVESTMENT PROJECTS IN AGRICULTURE
Background . This article is devoted to the study of the real consequences for projects in the field of agricultural production development from changes in the regulatory framework governing the measures of state regulation of the development of the agro-industrial complex and investment processes…
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APPLYING A HOLARCHIC MODEL TO REGIONAL POPULATION STUDIES
Background. Modern demographic theory faces a fundamental dilemma: whether to consider a region's population as an autonomous system or a dependent subsystem. The aim of this work is to resolve this contradiction by proposing a theoretical synthesis based on the methodology of systemic holarchy…
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THE USE OF INVESTMENT METHODS TO ASSESS PROFITABILITY AS A WAY TO ENSURE THE FINANCIAL SECURITY OF DEFENSE INDUSTRY ENTERPRISES IN THE CONTEXT OF ECONOMIC SANCTIONS
Background. The article examines the profitability of enterprises in Russia's military-industrial complex (MIC) and the methods used to assess it, using traditional accounting and investment methods. The key issues of calculating and managing profitability in high-tech industries, such as the MIC…
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ON SOME APPROACHES TO INCREASE THE FAULT TOLERANCE OF THE COMPUTING CLUSTER OF AN INTELLIGENT TRANSPORT SYSTEM, TAKING INTO ACCOUNT THE PRIORITIES OF THE TASKS
Background . The article is devoted to the study of methods for ensuring fault tolerance of cluster computing systems used in intelligent transport systems (ITS). Approaches to the rational allocation and redistribution of tasks in the conditions of failures of computing modules, as well as issues…
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Transformation of the methodological foundations of project management: from network planning to adaptive balance management
Background. The relevance of the research is determined by the growing gap between the long-term nature of the development of complex radio engineering systems and traditional approaches to operational management. This problem is particularly acute in the military-industrial complex, where project…
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Aggregated evaluation of dielectric impedance spectroscopy results based on statistical parameters and Hausdorff metric
Background. The paper considers a method for the noninvasive diagnosis of breast cancer using dielectric impedance spectroscopy. A method is proposed for the formation of an aggregated assessment of the condition of the breast based on the results of an examination by dielectric impedance…
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Analysis of the issues of increasing the efficiency of project activities at enterprises of the military-industrial complex
Background. The relevance of this research is determined by the need to improve the methods of managing complex projects in the military-industrial complex in the face of modern challenges, including geopolitical instability, sanctions pressure and stricter requirements for the implementation of…
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Reverse engineering of intravascular catheters
Background. The creation of competitive products is the main task of various branches of industrial production. The solution of these problems is possible due to the use of polymer layered composite materials. An example of their use in medicine are intravascular catheters, the tubes of which…
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Artikel Jurnal
A comprehensive approach to evaluating the effectiveness of online courses
Background. In the context of digital transformation, a thorough assessment of the effectiveness of online courses is required to ensure a high-quality educational process, identify optimal teaching methods and timely correction of curricula. The relevance of the research is caused by the need to…
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Application of parallel calculations in the inverse diffraction problem on dielectric objects with inhomogeneities
Background. The main objective of the study is to effectively solve the computationally complex inverse diffraction problem applicable to objects of arbitrary geometry. Parallel algorithms are used to achieve this goal. Special attention is paid to minimizing the calculation time. Materials and…
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Artikel Jurnal
Biomedical image texture analysis system
Background. In today's healthcare environment, there is an increasing need for efficient methods to analyze biomedical images for disease diagnosis. The present study aims to develop a biomedical image texture analysis system that uses various approaches to detectstructural differences between…