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检索条件"机构=Laboratory of Distributed Information-Analytical and Control Systems"

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The Method of Conjugation of Rectilinear Trajectories of AUV with Regard to Its Dynamic Properties

The Method of Conjugation of Rectilinear Trajectories of AUV...

引用

2022 International Russian Automation Conference, RusAutoCon 2022

作者： Yukhimets, Dmitry Karmanova, Svetlana Institute of Automation and Control Processes Febras Laboratory of Robotic Systems Vladivostok Russia Institute of Automation and Control Processes Febras Laboratory of Information-analytical and Control Systems and Technologies Vladivostok Russia

ISBN: (数字)9781665466554

ISBN: (纸本)9781665466554

The paper describes the method of conjugation of rectilinear tacks taking into account the dynamic properties of AUV and the constrains of their propulsion systems. The conjugation of adjacent tacks is proposed to be carried out using arcs of circles so that there would not be a sharp change of the yaw angle of the AUV when it moves along the arc of this circle. Therewith, the parameters of these circles are calculated taking into account the dynamic properties of the AUV and the constraints of their thrusters. To do this, on the basis of a mathematical model of the movement of the AUV in the horizontal plane, expressions were obtained that allow to estimate the minimum radius of rotation of the AUV moving at a given speed, which leads one of the thrusters into a pre-saturated state. Based on the obtained estimates of the arc radius for the conjugating of tacks, the paper proposes a method for calculating the coordinates of transition points from tacks to the specified arc, and also offers expressions for the formation of program signals of the AUV motion along this arc. © 2022 IEEE.

关键词： Estimation

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Intellectualized Operator information Support System for NPP: Expert systems and Dynamic Models

Intellectualized Operator Information Support System for NPP...

引用

2024 International Conference on Industrial Engineering, Applications and Manufacturing, ICIEAM 2024

作者： Jharko, Elena Chernyshov, Kirill Abdulova, Ekaterina Laboratory Of Distributed Information Analytical And Control Systems V.A. Trapeznikov Institute Of Control Sciences Of The Russian Academy Of Sciences Moscow Russia Laboratory Of Identification Of Control Systems V.A. Trapeznikov Institute Of Control Sciences Of The Russian Academy Of Sciences Moscow Russia Laboratory Of Security Of Complex Systems V.A. Trapeznikov Institute Of Control Sciences Of The Russian Academy Of Sciences Moscow Russia

ISBN: (纸本)9798350395013

The article discusses an approach that combines expert systems and dynamic models in an intellectualized operator information support system (IOISS) for nuclear power plant units. The main goal of this approach is to provide operators with the most complete and accurate information for the efficient management of power units (PU). The main functions of the IOISS of NPP PUs are highlighted, and a path is proposed for their full-scale implementation based on the use of predictive dynamic modeling of PU parameters and expert systems (ES). The use of predictive dynamic modeling makes it possible to predict the behavior of a power unit based on available data and calculate optimal control parameters. ES, in turn, provides expert knowledge and specialist experience, allowing operators to make informed decisions and respond to possible emergencies. The structure of the ES, which is part of the IOISS and includes modules for data analysis, decision-making, and information visualization, is considered. All these components work together to ensure the efficient and reliable operation of NPPs. This approach to IOISS is the basis for developing upper-level systems for instrumentation and control systems of NPPs. It can significantly improve the safety and efficiency of power units and simplify operators' decision-making process. © 2024 IEEE.

关键词： Nuclear fuels

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Protected Message Service as a Step towards Safe distributed systems Architecture 11

Protected Message Service as a Step towards Safe Distributed...

引用

11th International Conference "Management of Large-Scale System Development", MLSD 2018

作者： Asratian, R.E. Lebedev, V.N. Laboratory of Distributed Information Systems V.A.Trapeznikov Institute of Control Sciences Russian Academy of Sciences Moscow Russia

ISBN: (纸本)9781538649244

Principles of the organization of secure distributed systems architecture based on the new network service for protected queries processing are considered. The main feature of the approach in view consists in the separation of application components functions from those of the communication environment on data protection and network interactions support. © 2018 IEEE.

关键词： Web services

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Intelligent Support systems for NPP Operators: Dynamic Modeling and Operational Diagnostics

Intelligent Support Systems for NPP Operators: Dynamic Model...

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2023 International Conference on Industrial Engineering, Applications and Manufacturing, ICIEAM 2023

作者： Jharko, Elena Chernyshov, Kirill V.A. Trapeznikov Institute of Control Sciences The Russian Academy of Sciences Laboratory of Distributed Information and Control Systems Moscow Russia V.A. Trapeznikov Institute of Control Sciences The Russian Academy of Sciences Laboratory of Identification of Control Systems Moscow Russia

ISBN: (纸本)9781665475952

The efficiency of human-machine interaction is highly dependent on the quality of information support that the power unit (PU) operators receive from the control system in different operating modes of NPP PU. The paper shows the importance of intelligent support systems (ISS) for NPP operators to ensure the reliable operation of the NPP power unit. The most significant elements of the ISS for operators in terms of the diagnostic system are the block of dynamic modeling, which anticipates the course of technological processes, and the expert system. The paper analyzes the state of the problem of creating dynamic modeling systems, singles out a "three-step"approach to creating the predictive models of a technological process, and shows its shortcomings. Relationships between dynamic modeling and operational diagnostics (OD) are presented. A group of standard diagnostic systems and classes of problems of the solvable problems of ODs are considered. The implementation of the solution to the problem of diagnosing in the intelligent support system of the NPP operator, as well as functional diagrams of operational diagnostics, is presented. The proposed implementation of the tasks of operational diagnostics is used to create intelligent support systems for NPP operators. © 2023 IEEE.

关键词： Expert systems

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Diagnostic Tasks in Human-Machine control systems of Nuclear Power Plants

Diagnostic Tasks in Human-Machine Control Systems of Nuclear...

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2022 International Conference on Industrial Engineering, Applications and Manufacturing, ICIEAM 2022

作者： Jharko, Elena Chernyshov, Kirill Laboratory of Distributed Information and Control Systems V.A. Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences Moscow Russia Laboratory of Identification of Control Systems V.A. Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences Moscow Russia

ISBN: (纸本)9781665483698

The paper is devoted to diagnostic tasks in human-machine control systems of automated process control systems (APCS) of nuclear power plants (NPP). Diagnostics of NPP equipment and systems is an important task to ensure the safety of NPP operation and allows to improve economic performance. The paper presents the organization of diagnosing the power unit, describes the diagnostic tasks to be solved, decomposes the power unit into diagnostic objects, and offers the connection between the diagnostic processes and the operating modes of the power unit. The paper presents the structure of the diagnostic intelligent information support system for operating personnel, its construction principles, and the interaction between the power unit and diagnostic systems. The developed principles for constructing such a diagnostic system are applied in the development of information tasks for the upper-level systems of APCS, which provide an integral representation of the results of diagnosing equipment and systems of the NPP power unit. © 2022 IEEE.

关键词： Nuclear power plants

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Digital Twins: Forecasting and Formation of Optimal control Programs for NPP Power Units

Digital Twins: Forecasting and Formation of Optimal Control ...

引用

2023 International Russian Smart Industry Conference, SmartIndustryCon 2023

作者： Jharko, Elena Chernyshov, Kirill V.A. Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences Laboratory of Distributed Information and Control Systems Moscow Russia V.A. Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences Laboratory of Identification of Control Systems Moscow Russia

ISBN: (纸本)9781665464291

Industries, especially in the energy sector, are using digital twins to improve work efficiency and optimize operating modes. Digital twins have based on models that accurately describe the geometry, physical properties, behavior, and rules that characterize an object. The article presents an example of functional decentralization of digital twin models as a decomposition of an NPP power unit (PU) with a VVER-1000 reactor as a control object into a set of technological subsystems of functional groups. Approaches to the digital twins' creation of NPP PU and the main directions for using digital twins based on dynamic models of a PU in advanced control systems for NPP power units are presented. Within the framework of the intelligent operator support system, a three-stage approach to the problem of forecasting the state of the NPP PU, based on digital twins, and the principles of forming the PU optimal control are proposed. The proposed approaches to creating digital twins are used to create intelligent support systems for operators. © 2023 IEEE.

关键词： Forecasting

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Robot/UAV Indoor Visual SLAM in Smart Cities Based on Remote Data Processing

Robot/UAV Indoor Visual SLAM in Smart Cities Based on Remote...

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2023 International Russian Smart Industry Conference, SmartIndustryCon 2023

作者： Jharko, Elena Mamchenko, Mark Khripunov, Sergey P. V.A. Trapeznikov Institute of Control Sciences of Russian Academy of Sciences Laboratory of Distributed Information and Control Systems Moscow Russia V.A. Trapeznikov Institute of Control Sciences of Russian Academy of Sciences Laboratory of Cyber-Physical Systems Moscow Russia

ISBN: (纸本)9781665464291

Indoor navigation is a topical issue in the use of robotics and unmanned aerial vehicles (UAVs) in a smart city, especially in the absence/weak signals of satellite navigation. One of the promising solutions of these issues is the use of visual simultaneous localization and mapping (vSLAM) algorithms, and one or more remote data processing servers for localization and map construction of the robots and the UAVs. The paper analyzes the current state of remote vSLAM and gives the requirements of a promising similar framework for UAVs in a smart city. In general, it is possible to distinguish two approaches to remote vSLAM systems for robots/UAVs. The first one implies sending raw data from sensors (video stream) via wireless connection directly to a remote server, which can be used for cloud/fog/edge computing. The second approach involves data pre-processing on the robots/UAVs, with subsequent transmission of data to the remote cloud/fog/edge computing server for further processing, acquiring map keyframes and map updates. The considered approaches, algorithms and solutions are classified by the type and the number of servers used, the maximum number of robotic agents/UAVs, the presence of navigation data fusion, as well as the type of video sensor used. Based on the analysis of existing solutions and vSLAM classification, it is possible to form a set of requirements for promising vSLAM systems for indoor navigation of robots/UAVs, including their camera input, resolution, number of frames per second (FPS), bandwidth, support of wireless standards, channels, and protocols, multi-robot/multi-server support, and time consumption. © 2023 IEEE.

关键词： Robots

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Some Issues in Using the Model of Determining the User Stories Quality to Reduce Software Development Risks

Some Issues in Using the Model of Determining the User Stori...

引用

International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)

作者： Elena Jharko Laboratory of Distributed Information Analytical and Control Systems V.A. Trapeznikov Institute of Control Sciences of RAS Moscow Russia

ISBN: (数字)9798350395013

ISBN: (纸本)9798350395020

The paper analyzes and compiles the key factors influencing the quality of user stories in the software development process. These factors include clarity and completeness of requirements, technical feasibility, priority of requirements, clarity and understandability of the user story, and others. A Model of Determining the User Stories Quality (MDUSQ) is proposed. This model includes a set of metrics and indicators that help evaluate and determine the quality of user stories. MDUSQ metrics may include quantitative metrics, qualitative metrics and performance metrics. Applying the MDUSQ will help improve requirements during software development and reduce the risk of requirements changes. Analyzing and collecting key quality factors and using MDUSQ metrics will help ensure that user stories are complete, understandable, and meet customer and user needs.

关键词： Measurement Q-factor Agile software development Industrial engineering Software Manufacturing Software development management

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EBIOS and FSTEC Risk Assessment Method Comparison

EBIOS and FSTEC Risk Assessment Method Comparison

引用

International Conference on Management of Large-Scale System Development (MLSD)

作者： Maxim Chernyaev Laboratory of Distributed Information-Analytical and Control Systems V.A. Trapeznikov Institute of Control Sciences of RAS Moscow Russia

This article aims to compare two risk assessment methods: EBIOS and FSTEC. EBIOS is published by the National Cybersecurity Agency of France (ANSSI), while FSTEC originates from Russia. Both methods are used relatively locally, but prove capable in France and Russia respectively. This article briefly describes those methods and compares them. The following research is subjective, and the author compares those methods based on his personal preferences, since no other such comparisons are known. During the research, both methods are briefly described and compared since both have appropriate pros and cons, while both may perform better in a particular situation. It leads to the conclusion that the application of both such methods can prove effective, and the main goal is to choose the most suitable approach for a particular situation.

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Flexible Modeling System: Steam Generator Level Calculation

Flexible Modeling System: Steam Generator Level Calculation

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International Conference on Management of Large-Scale System Development (MLSD)

作者： Elena Jharko Laboratory of Distributed Information-Analytical And Control Systems V.A. Trapeznikov Institute of Control Sciences of RAS Moscow Russia

The paper presents a mathematical model for calculating an NPP power unit's steam generator (SG) level with a VVER-1000 reactor, part of a flexible modeling system (FMS). The distributed model of an SG is designed for a more detailed description of processes in a two-phase volume of SG and modeling the readings of level gauges in non-stationary operating modes. The results of verification of the presented model as part of the FMS in the dynamic mode (disconnection of one turbopump pump from two operating ones) of the NPP power unit are presented.

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