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BH30A0701 Reliability Engineering, 4 cr 
Code BH30A0701  Validity 01.08.2014 -
Name Reliability Engineering  Abbreviation Reliability Eng 
Credits4 cr   
TypeBasic studies  
  Grading scaleStudy modules 0-5,P/F 
  Eligibility for post-graduate studiesYes
    Allowed to study several timesno
Organisation LUT School of Energy Systems 

Elina Hujala 
Juhani Vihavainen 

Description by Study Guide
Note  Location: Lappeenranta

The course will be lectured every other year. Next time in 2020-2021.

Lectured every other academic year (Yes, next realization year/Leave empty)  Yes, 2020-2021. 
Year  M.Sc. (Tech.) 1-2. 
Period  1-2 
Teaching Language  English 
Teacher(s) in Charge 

D.Sc. (Tech.) Juhani Vihavainen, M.Sc. (Tech.), M.Sc. Elina Hujala.


Upon completion of the course students will be able to calculate the reliability parameters for separate components and simple systems, formulate and solve fault and event trees for systems, and estimate the effect of human factors.


Introduction to reliability engineering. Boolean algebra. The reliability parameters of components. The reliability engineering structure of systems, examples from different fields. Structural functions, reliability flow charts, fault trees, event trees, minimal cut sets. The reliability parameters of systems and their determination using different methods. Damage and effect analysis. The determination of parameters and trends from flaw observations. The improvement of the usage reliability of a system. Humans as a part of systems. Common mode failures and uncertainty analyses. The reliability of structures.

Teaching Methods 

Lectures 21 h, tutorials 14 h, 1st period. Lectures 21 h, tutorials 14 h, 2nd period. Preparation for the examination 31 h and written examination 3 h.
Total workload 104 h.

Suitability for doctoral studies (Yes/Leave empty)  Yes 
Examination in Examination schedule (Yes/No)  Yes 
Examination in Moodle (Yes/No)  No 
Examination in Exam (Yes/No)  No 
Assessment scale and assessment methods 

0 - 5. Examination 100 %. Possible to raise the grade by tutorials.

Course Materials 

Rausand M. & Hoyland A: System Reliability Theory, Models, Statisticals Methods and Applications.


Recommended BM20A1401 Tilastomatematiikka I or equivalent knowledge.

Places for exchange-students? (Yes, number/No)  No 
Places for Open University Students?(Yes, number/No)  max 5 

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