INTRODUCTION TO RELIABILITY TESTING AND ANALYSIS
Training materials: Introduction to Reliability student participant guide
Course agenda:
I. BASIC STATISTICAL CONCEPTS
- Confidence intervals
- Hypothesis testing
II. GRAPHICAL TOOLS
- Dot plot, histogram, box plot
- End count test
III. RELIABILITY CONCEPTS
- Reliability function
- Hazard function
- Bathtub curve
- Censoring
IV. COMMON RELIABILITY DISTRIBUTIONS
- Exponential
- Weibull
- Normal
- Lognormal
V. NONPARAMETRIC RELIABILITY
- Kaplan-Meier Estimates
- Comparing survival curves
VI. PROBABILITY PLOTTING
- Probability paper
- Distribution identification
VII. ESTIMATION
- Least squares estimation
- Maximum likelihood estimation
- Estimating percentile failure times
- Estimating probability of failure
VIII. SYSTEM FAILURE
- Series systems
- Parallel systems
- R out of N systems
- Competing risk model
- Dealing with multiple failure modes
IX. PLANNING RELIABILITY TESTS
- Sample size calculations via simulation
- Sample size calculations using large sample approximations
- Zero failure testing
X. ACCELERATED LIFE TESTING (time permitting)
- Linear acceleration
- Testing for equal linear acceleration
- Arrhenius acceleration