Reliability

Scholar Year: 2019/2020 - 2S

Courses

Head Teacher Responsability Filipe José Didelet Pereira Head

Lectures

Teaching language

Portuguese

Intended learning outcomes (Knowledges, skills and competencies to be developed by the students)

Recapitulation of statistical concepts.
Definition of Reliability and some associated concepts.
Systems and components. Rate of malfunctions and risk function.
Distributions and processes. Equipment associations.

Syllabus

1 - Introduction and definition (2h)

2 - Reliability and engineering (4h)
2.1 - Reliability and risk
2.2 Reliability and maintenance
2.3 - Reliability and Quality
2.4 - Evolution of Reliability Theories
2.4.1 - Statistics and Reliability
2.4.2 Reliability and design of equipment
and systems
2.4.3 - Evolution of Reliability models
2.4.4 - Reliability Databases

3 - Notions of Statistics (4)
3.1 - Probability
3.2 Permutations, arrangements and combinations
3.3 - Probability rules
3.4 - Random Variable
3.5 - Distribution
3.6 - Most common distributions
3.6.1 - Discrete Distributions
3.6.1.1 - Hypergeometric distribution
3.6.1.2 - Poisson distribution
3.6.2 - Continuous Distributions
3.7 - Expected value

4 - Reliability of components and equipment reliability (26h)
4.1 - Reliability of components (not repairable)
4.1.1 - Risk function for non-repairable components
4.1.2 - MTTF
4.1.3 - Statistical analysis of TTFs
4.2 - Reliability of equipment (repairable)
4.2.1 - Distributions and processes
4.2.2 - Point processes
4.2.2.1 - Failure rate
4.2.2.2 - MTBF
4.2.2.3 - Risk function for repairable systems
4.2.2.4 - Time scales
4.2.2.5 - Reliability function of a point process
4.2.2.6 - Homogeneous Poisson process
4.2.2.7 - Inhomogeneous Poisson process
4.2.2.8 - Renewal process
4.2.2.9 - Model selection
4.3 - Bathtub Curve

5 - Most common distributions in reliability (12h)
5.1 - Negative exponential distribution
5.2 - Distribution of Weibull
5.3 - Tests of hypotheses and levels of significance
5.4 - Laplace test
5.5 - Chi-square test

6 - Supplementary reliability distributions 6 hours
6.1-Range Distribution
6.2- Lognormal distribution
6.3 - Extreme Value Distributions
6.4- Distribution of Rayleigh

7 - Equipment Associations (6h)
7.1 - Associations in series
7.2 - Parallel Associations
7.2.1 - Total active redundancy
7.2.2 Partial Active Redundancy
7.2.3 - Sequential redundancy

Teaching methodologies

Development by students of concrete topics in the classroom.
Application of the concepts acquired in case studies.
Explanation of concrete cases, complemented by application exercises.
Exercises solved by students.

Demonstration of the teaching methodologies coherence with the curricular unit's intended learning outcomes

Troubleshooting
Global work
Methodology and evaluation tests

Assessment methodologies and evidences

Distribution assessment without final exam

Attendance system

General work
OR
FINAL EXAM
THE FINAL REVIEW NOTE SHALL BE UP TO 9.5 VALUES

Bibliography

Filipe Didelet e Francisco Sena
Fiabilidade e sua aplicação à Manutenção
Publindustria, 2012