Ensuring Eletctronic Means Reliability

Major: Telecommunications and Radio Engineering
Code of subject: 6.172.07.E.138
Credits: 4.00
Department: Theoretical Radio Engineering and Radio Measurement
Lecturer: Ozirkovskyy L.D.
Semester: 6 семестр
Mode of study: денна
Мета вивчення дисципліни: The purpose of studying the discipline is to develop knowledge, skills and abilities to develop radio electronic equipment (REE) and systems with a given level of reliability, survivability and safety, which is ensured by the integrated use of redundancy, control and diagnostics. This knowledge and skills are necessary for future specialists to solve specific engineering, scientific and technical problems in the design, manufacture and operation of radio electronic information systems and their components to ensure quality and reliability, improve the efficiency of their operation.
Завдання: The study of the discipline involves the formation of competencies in students: integral - the ability to solve specialized problems and practical problems in the field of telecommunications and radio engineering, characterized by complexity and uncertainty of conditions. general competencies: - ability to think abstractly, analyze and synthesize. - ability to apply knowledge in practical situations. - knowledge and understanding of the subject area and understanding of professional activities. - ability to work in a team. - ability to learn and master modern knowledge. - ability to identify, formulate and solve problems. - ability to think systematically; - ability to search and analyze information from various sources; professional competencies: - Ability to solve standard tasks of professional activity on the basis of information and bibliographic culture with the use of information and communication technologies and taking into account the basic requirements of information security. - Ability to carry out computer modeling of devices, systems and processes using universal application packages. - Ability to use regulatory and legal documentation related to information and telecommunication networks, telecommunication and radio systems (laws of Ukraine, technical regulations, international and national standards, recommendations of the International Telecommunication Union, etc. - Ability to make calculations in the process of designing structures and facilities of information and telecommunication networks, telecommunication and radio engineering systems, in accordance with the terms of reference using both standard and independently created methods, techniques and software design automation tools. - Ability to model and optimize software and hardware embedded systems, identify, classify and describe developed models. - Plan and carry out maintenance and repair of software and hardware embedded systems. Ability to use technologies and methods for installing and updating software of embedded systems.
Learning outcomes: Knowledge Кn 2. Skills of evaluation, interpretation and synthesis of information and data; Кn 5. Understanding and compliance with domestic and international regulations on the development, implementation and technical operation of information and telecommunication networks, telecommunication and radio systems; Кn 6. Explain the principles of construction and functioning of hardware and software systems of management and maintenance systems for the development, analysis and operation of information and telecommunication networks, telecommunication and radio engineering systems; Кn 8. Ability to demonstrate knowledge in the field of methods of analyzing the reliability and security of radio electronic and telecommunication systems and networks. Кn 15. Apply knowledge and understanding to identify, formulate and solve technical problems of the specialty, using known methods; Skills Sk 1. Analyze, argue, make decisions in solving specialized problems and practical problems of telecommunications and radio engineering, which are characterized by complexity and incomplete certainty of conditions; Sk 4. Analyze and evaluate the effectiveness of design methods for information and telecommunication networks, telecommunication and radio engineering systems; Sk 6. Apply an understanding of the basic properties of the component base to ensure the quality and reliability of telecommunications, radio engineering systems and devices; Sk 7. Application of understanding of automation of design and technical operation of telecommunications and radio engineering systems in professional activities; Sk 9. To find, evaluate and use information from various sources necessary for solving professional problems, including the reproduction of information through electronic search; Sk 11. To ensure reliable and high-quality operation of information and communication networks, telecommunication and radio engineering systems; Sk 14. To think systematically and apply creative abilities to the formation of fundamentally new ideas; Communication COM 1. Competently apply the terminology of the field of telecommunications and radio engineering COM 5. Ability to use a variety of methods, including information technology, to communicate effectively at the professional and social levels. Autonomy and responsibility AaR 1. Ability to adapt to new situations and make decisions; AaR 3. Ability to take responsibility for the work performed and achieve the set goals in compliance with the requirements of professional ethics;
Required prior and related subjects: Previous academic disciplines 1. Information transmission systems 2. Software and hardware in telecommunications and radio engineering 3. Analog circuitry 4. Digital circuitry Related and subsequent disciplines 1. Fundamentals of software and hardware design 2. Modeling of radio electronic means
Summary of the subject: The academic discipline "Theory of Reliability of Radio Electronic Equipment" is an important part of the training of specialists in the specialty "Telecommunications and Radio Engineering" and provides training in the analysis, synthesis and optimization of fault-tolerant radio electronic equipment and systems with a given level of reliability. This discipline should form the future specialist's understanding of the essence of complex systems and the role of reliability as one of the defining characteristics of the effective functioning of RES, systems and networks.
Опис: Topic 1: Subject and objectives of the course. The concept of reliability of radio electronic equipment (REE). The importance of reliability in ensuring the effective functioning of electronic equipment. Safety of electronic equipment. Ensuring the reliability of electronic equipment at the stages of design, manufacture and operation. Topic 2. Regulatory framework for ensuring reliability. The main regulatory documents governing the methods and means of ensuring reliability. Standards of Ukraine for ensuring the reliability of REE. International standards: MIL-217, TELCORDIA, FIDES, RIAC, NPRD. Features of their use. Topic 3: Basic terms and definitions of reliability theory. Failures, their nature and consequences. Types of failures (sudden, gradual, dependent, independent, with and without consequences, evident and latent, stable and unstable). The concept of reliability of REE. Duration of operation before the first failure. Duration of operation before catastrophic failure. Reliability characteristics: reliability, maintainability, storage, durability. Topic 4. Reliability indicators of the REE. Indicators of reliability of the REE (reliability function, probability density function of the product's time between failures, failure rate, failure probability). The relationship between reliability indicators. Topic 5. Preliminary assessment of the reliability of the REE. The concept of a system tree. Decomposition of the REE into levels and elements. Principles of calculation of failure intensities of components and subsystems. Consideration of the environment and operating conditions. Topic 6. Reliability assessment of fault-tolerant REE. The concept of fault-tolerant REE. Redundancy. Types of redundancy. Classification of system redundancy. Topic 7. Structural schemes of reliability of REE. The concept of a structural reliability diagram. Series-parallel connection of circuit elements, reduction of the structural reliability diagram. Methods for constructing structural reliability diagram of REE. Topic 8. Reliability analysis of REE based on fault trees analysis. The concept of a fault tree analysis. Basic elements and principles of their application. Levels of the fault tree. Methods of building a fault tree. Calculation of reliability indicators of the RES using a fault tree. Topic 9. Graph of states and transitions for calculating the reliability of the REE. The concept of discrete-continuous stochastic systems. Construction of a graph of states and transitions. Construction of the Kolmogorov-Chapman system of differential equations. Formation of reliability indicators of REE. Topic 10. Maintenance of REE. The concept of maintenance. Maintainability, service levels. Strategies for maintenance. Indicators of reliability of restoration of REE. Duration of recovery. The function of availability. Availability factor, downtime factor and operational availability factor. Topic 11. Software reliability. The main reasons for insufficient software reliability. Models and methods for determining software reliability. Ways to ensure software reliability. Topic 12. Functional safety of REE. The concept of safety. Levels of criticality of failures. Methods of analyzing the impact of failure types and the criticality of their consequences. Failure impact analysis based on FMEA. Methods of building FMEA for REE. FMECA as an alternative method of analyzing the criticality of failures and their causes. Topic 13. Automation of reliability assessment of REE. Varieties of automated analysis of reliability and safety of the REE. Software for automated analysis of the reliability of the REE. ASNA software. Formalized representation of the structure and behavior of the REE. Structural-automatic models. Methods of building structural-automatic models. Automated generation of the graph of states and transitions.
Assessment methods and criteria: Current and final control. Methods of knowledge assessment: selective oral questioning; tests, assessment of activity, proposals, original solutions, clarifications and definitions, etc. Exam - written questionnaire, test control.
Критерії оцінювання результатів навчання: Current control - 40 points Final control - 60 points
Recommended books: 1.Mathematical models and methods for analyzing the reliability of radioelectronic, electrical and software systems. Monograph / Y. Bobalo, B. Volochii, O. Lozynskyi, B. Mandzii, L. Ozirkovskyi, D. Fedasiuk, S. Shcherbovskikh, V. Yakovyna. Lviv: Lviv Polytechnic Publishing House, 2013. - 300 с. 2.Volochiy B.Y., Ozirkovsky L.D., Kulyk I.V. Designing effective maintenance strategies. Mathematical models, algorithms and techniques. - Saarbrucken: LAP Lambert Academic Publishing, 2015. - 160 p. 3.Volochiy B.Y. Technology of modeling algorithms of behavior of information systems. - Lviv: Lviv Polytechnic University Publishing House, 2004. - 220 p. 4.Ayers, Mark L. Telecommunications system reliability engineering, theory, and practice / Mark L. Ayers. Published by John Wiley & Sons, Inc., Hoboken, New Jersey, 2012. 245 p. 5.Nedostup L.A., Kiselychnyk M.D., Bobalo Y.Y. Fundamentals of reliability of radio electronic devices. - Lviv: Lviv Polytechnic University Publishing House, 1998. - 219 p. 6.Polovko A.M., Gurov S.V. Fundamentals of reliability theory. St. Petersburg, 2008. - 704 p. References. 1.Marvin Rausand, Anne Barros, Arnljot Hoyland System Reliability Theory: Models, Statistical Methods, and Applications. - John Wiley & Sons, 2020. - 864 p. 2.Marvin Rausand Reliability of Safety-Critical Systems: Theory and Applications. - John Wiley & Sons, 2014. - 466 p. 3.Ericson CA.Hazard Analysis Techniques for System Safety. John Wiley & Sons; 2015.