Course: Applied dependability techniques

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Course title Applied dependability techniques
Course code MTI/ATS
Organizational form of instruction Lecture + Lesson
Level of course Master
Year of study not specified
Semester Summer
Number of ECTS credits 5
Language of instruction Czech
Status of course Compulsory-optional
Form of instruction Face-to-face
Work placements Course does not contain work placement
Recommended optional programme components None
  • Kamenický Jan, Ing. Ph.D.
Course content
Lectures 1. Overview of the dependability techniques, analysis and its basic characteristics 2. Dependability methods I - Reliability Block Diagram (RBD), evaluation of system`s dependability measures. 3. Dependability methods II - Failure Mode and Effect Analysis (FMEA) and Failure Mode, Effect and Criticality Analysis (FMECA) - the most frequently used method in automotive. 4. Dependability methods III - Fault Tree Analysis (FTA) and Event Tree Analysis (ETA) - analysis for highly redundant systems 5. Dependability methods IV - Application of Markov Analysis. 6. Human Reliability Analysis (HRA) - TESEO method, probability tree. 7. Maintenance and its affect to dependability - maintenance tasks division, economically optimized maintenance plan. 8. Economical aspects of dependability - Cost Benefit Analysis (CBA) and Life Cycel Costing (LCC). 9. Basic terminology in risk assessment and valid legislative used for technical systems safety. 10. Risk components, risk matrix, risk acceptance and Layer of Protection Analysis (LOPA). 11. Overall safety, functional safety and safety life cycle. 12. Risk evaluation and required safety integrity level according to standards. 13. Safety integrity authentication I - analysis and calculation of probability of safety function failure. 14. Safety integrity authentication II - functional safety rpocess documentation. Practices 1. Main and secondary system`s functions. Dependability tagrets, choosing of propoer dependability method. 2. Modelling the real system by the Reliability Block Diagram, reliability and availability measures calculation. 3. Application of FMEA and FMECA. 4. Application of FTA and ETA. 5. Application of Markov Analysis. 6. Trial of Human Reliability Analysis with the student volunteers. 7. Optimal maintenance plan compilation. 8. CBA of planned change in the factory, LCC of chosen product. 9. Evaluation of individual and social risk, estimation of risk tolerability and proposal of preventive and/or protective steps to risk reduction. 10. Usage of risk matrix (qualitative, semiquantitative, quantitative) on the example of real technical object, risk acceptance estimation and proposal of needed layers of protection. 11. Life cycle of overall safety and of functional safety. 12. Risk estimation and proposal of required safety integrity of technical object. 13. Authentication of safety integrity by the dependability calculation on the technical example. 14. Authentication of safety integrity by the SW tool SISTEMA (Safety Integrity Software Tool for the Evaluation of Machine Applications).

Learning activities and teaching methods
Lecture, Practicum, Students' self-study
  • Class attendance - 56 hours per semester
  • Home preparation for classes - 44 hours per semester
  • Preparation for exam - 20 hours per semester
Learning outcomes
The aim of the study is to meet students with commonly used methods of dependability and risk analysis including economical background of those science branches.
Student gets overview about methods used in dependability and risk analysis and will be able to use them in basics.

Assessment methods and criteria
Combined examination, Written assignment

The essential condition for successfully completing the subject is activity on the practice lectures and passing of the credit test. The exam is both written and oral.
Recommended literature
  • ČSN EN ISO 13849-1:2006, Bezpečnost strojních zařízení ? Bezpečnostní části ovládacích systémů ? Část 1: Všeobecné zásady pro konstrukci.. Praha, 2006.
  • ČSN EN 61508-5:2011, Funkční bezpečnost elektrických/elektronických/programovatel-ných elektronických systémů souvisejících s bezpečností ? Část 5: Příklady metod určování úrovní integrity bezpečnosti.. Praha, 2011.
  • ČSN EN 61511-x:2005, Funkční bezpečnost. Bezpečnostní přístrojové systémy pro sektor průmyslových procesů. Praha, 2005.
  • ČSN EN 62061:2005, Bezpečnost strojních zařízení ? Funkční bezpečnost elektrických, elektronických a programovatelných elektronických řídicích systémů souvisejících s bezpečností.. Praha, 2005.
  • Bednařík Josef a kol. Technika spolehlivosti v elektronické praxi. Praha, 1990.
  • Callabro, S. R. Základy spolehlivosti a jejich využití v praxi. Praha, 1965.

Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester