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Valerii Zakharov

Valerii Zakharov
St. Petersburg Federal Research Center of the Russian Academy of Sciences · St. Petersburg Institute for Informatics and Automation of the Russian Academy of Sciences

PhD
Our laboratory develops mathematical models and software of various complexity levels

About

19
Publications
406
Reads
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77
Citations
Citations since 2017
19 Research Items
77 Citations
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Introduction
Senior Researcher at the ITSAM Laboratory (SPC RAS). I work in the field of complex technical objects integrated modeling, qualimetry of models and polymodel complexes, proactive management and monitoring.
Additional affiliations
September 2022 - present
Peter the Great St. Petersburg Polytechnic University
Position
  • Assistant professor

Publications

Publications (19)
Chapter
The interconnection between information technologies and enterprise functioning is increasing every day (“servitization”) [15]. The transition to a new management paradigm based on information services (Industry 4.0), assumes that the enterprise information system will be able to withstand the new increased loads. Otherwise, it is necessary to mode...
Chapter
The relevance of modern grass feed production problems is determined by a number of reasons related to the feed quality requirements growth, the dairy productivity growth, the subjectivity of assessments in the organization and control of technological processes, visual control based on personal experience, the growth of requirements for operationa...
Chapter
Apart from the increased amount of data being transferred, modern networks are characterized by high complexity of their topology. This is one of the reasons why conventional architectural approaches and technologies are now constantly subjected to series of modifications the most crucial of which is caused by the necessity for decentralized operat...
Article
Full-text available
The paper deals with the tasks of developing complex objects functioning schedule based on modern information technologies. A logical-dynamic description of the subject area is given. A combined algorithm for the stable schedules synthesis has been developed. It is based on the application control theory methods and multi-criteria assessment. The p...
Chapter
The paper deals with the development of models and algorithms for integrated planning and scheduling of functioning and modernization of complex technical objects information systems. The paper proposes a combined algorithm for the optimal distribution and assignment of heterogeneous operations in enterprise information systems (EIS) and complex te...
Chapter
To increase the degree of validity of design decisions when creating a small spacecraft, a methodological approach is proposed for the structural–functional synthesis of the appearance of its onboard systems. The proposed approach allows to perform multi-criteria selection of effective configuration variants for onboard system of a small spacecraft...
Chapter
The resource consumption of onboard systems (OS) largely depends on the synergetic phenomena that occur during intersystem interaction in automatic spacecraft (AS). By using these phenomena, it is possible to increase the efficiency of using existing resources, as well as to supplement them with new “synergistic” resources [1]. At the same time, sy...
Chapter
The analysis shows that at all stages of the life cycle of existing and prospective complex technical objects, their structural dynamics is observed, caused by objective, subjective, external, internal reasons or their combinations. In order for these processes to have a purposeful character, it is necessary to make them manageable, i.e. to ensure...
Chapter
Image segmentation is the process of subdividing an image into regions that are consistent and homogeneous in some characteristics. There is neither a single segmentation model for all medical image modalities nor all methods are efficient for a specific medical image modality. In image processing and computer vision, segmentation is still a challe...
Chapter
This article discusses the results of solving the problems of complex objects (CO) recovery programs, which are based on the structure dynamics management and control of these objects. The main advantage is the combined use of different models, methods and algorithms (analytical, simulation, logical-algebraic and their combinations) which allows to...
Chapter
This study proposes a scientific and methodical approach to problem solving automation, and intellectualization of multi-criteria decision-making (DM) processes for complex objects management. The substantiation of the composition and structure of the Intelligent Distributed Decision Support System (IDDSS) in complex objects management is based on...
Article
Full-text available
The design of multidimensional velocity, position and force control algorithms for a semi-automatic motion control system of a robot-manipulator has been performed. Mathematical and computer models of a motion control system with reconfigurable structure have been developed for a 3-link robot performing standard operations set by a human operator w...
Article
Full-text available
In this paper according to complex modeling approach and applying cyber-physical systems is proposed to use control theoretic description of supply chain. Cyber-physical systems are automatic control systems, which used to combine various objects by means of multichannel measuring systems with embedded software in various types of hierarchical stru...
Article
Full-text available
The analysis of the assessment methods of modern supply chain networks’ (SCN) resilience while managing their configuration and reconfiguration under the conditions of predictable disruptions has shown that under the conditions of unpredictable disruptions these methods are not acceptable. In addition, these are not acceptable in case of the design...

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Projects

Project (1)
Project
1. Theoretical foundations of complex modeling, multi-criteria evaluation, as well as synthesis of technologies and programs (schedules) of joint proactive management of the functioning and modernization of the complex technical systems (STS) based on service-oriented and functional-cost approaches; 2. A generalized conceptual and formal polymodel description of the processes of proactive management of the functioning and modernization of the STS using combined analytical-simulation logical-dynamic models and a system-cybernetic approach. 3. The system of indicators of quality and efficiency of proactive management of the complex technical systems (STS), as well as combined methods and algorithms for joint multi-criteria solution of problems of synthesis of technologies and coordinated programs (schedules) of proactive management of material and information operations, flows, resources, structures of the STS during its modernization; 4. Simulation and modeling stand for multi-criteria synthesis of technologies and integrated plans (programs) for proactive configuration management and reconfiguration of STS at the stage of their functioning and modernization, based on service and event-oriented architecture; 5. Results of solving applied problems and corresponding new applied results and effects.