Course detail

Fundamentals of Reliability in Electrical Engineering

FEKT-NZSEAcad. year: 2010/2011

Basic conceps of reliability. Using statistical methods in reliability.Reliability expendable and repairable products. Reliability characteristics. Reliability models. Creating reserves. Static and dynamic reserve. Introduction of quality system ISO 9000. Operating and model stresses.Degradation mechanisms i materials, elements and systems.Diagnostic methods.

Language of instruction

English

Number of ECTS credits

5

Mode of study

Not applicable.

Guarantor

Ing. Helena Polsterová, CSc.

Department

Department of Electrical and Electronic Technology (UETE)

Learning outcomes of the course unit

The students gain basic review about the problems of reliabilityand utilization of methods of mathematical statistics in reliability. They become familiar with the ways of creating reserves of systems.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Test

Course curriculum

1. Introduction to the study of reliability. Basic conceps of reliability.
2. Mathematical statistics. Random variable, utilization of random variable distribution in reliability. Exponential distribution.
3. Quantile. Spot and interval estimation of parameters of the basic set. Chi-quadrat and Student's distribution.
4. Expentable objects. Reliability characteristics of expentable objects.
5. Repairable objects. Reliability characteristics of repairble objects.
6. Serial and parallel reliability models. Combined models.
7. Methods of creating reserves of systems. Forms and function of reserves. Static reserve. Dynamic reserve.
8. Introduction of quality system ISO 9000.
9. Degradation factors affecting electrical equipment. Relation of operating, partial and model stresses.
10. Degradation mechanisms in materials, element and systems.
11. Diagnostics methods.
12. Tests of reliability elements.
13. Tests of reliability equipments.

Work placements

Not applicable.

Aims

The aim of the subject is to make students familiar with the problems of reliability of electrotechnical products and introduction of the system of quality into electrotechnical production.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Montgomery, D. C.. Introducion to Statistical Quality Control. John Wiley, New York, 1996 (EN)

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EECC-MN Master's

    branch MN-EVM , 1 year of study, summer semester, compulsory

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

Ing. Helena Polsterová, CSc.

Syllabus

Introduction to the study of reliability. Basic conceps of reliability.
Mathematical statistics. Random variable, utilization of random variable distribution in reliability. Exponential distribution.
Quantile. Spot and interval estimation of parameters of the basic set. Chi-quadrat and Student's distribution.
Expentable objects. Reliability characteristics of expentable objects.
Repairable objects. Reliability characteristics of repairble objects.
Serial and parallel reliability models. Combined models.
Methods of creating reserves of systems. Forms and function of reserves. Static reserve. Dynamic reserve.
Introduction of quality system ISO 9000.
Degradation factors affecting electrical equipment. Relation of operating, partial and model stresses.
Degradation mechanisms in materials, element and systems.
Diagnostics methods.
Tests of reliability elements.
Tests of reliability equipments.

Exercise in computer lab

18 hod., compulsory

Teacher / Lecturer

Ing. Helena Polsterová, CSc.

Syllabus

Mathematical software, using in reliability.
Statistics, utilisation of random variable distribution in reliability.
Quantile. Probability of failures, trouble-free operation, intensity of failures.
Reliability models.
Calculation of reliability characteristics of systems with expendable objects. (4 hours)
Calculation of reliability characteristics of systems with repaireble objects. (4 hours)

Laboratory exercise

4 hod., compulsory

Teacher / Lecturer

Ing. Helena Polsterová, CSc.

Syllabus

Electrical methods measurements of materials.
Structural methods measurements of materials.