MAJOR TOPICS AND HIGHLIGHTS

covered in the

AME 575-Reliability Testing Course

Offered Each Spring Semester

Course Schedule: Tuesday and Thursday, 2:00 p.m. to 3:15 p.m.

 

  • Objectives: Types of Reliability Tests, and Scheduling and Management of Reliability Testing.
  • Reliability Data --- Their Acquisition and Processing.
  • Five Very Important and Fundamental Reliability Engineering Relationships and the Failure Rate Concept.
  • Distribution, Failure Rate, and Reliability Determination From Field Data.
  • Chi-Square, Student's-t and F Distributions.
  • The Exponential Distribution.
  • Confidence Limits on the Mean-Time Between-Failures and on the Reliability for the Exponential Distribution, and MTBF Determination if no Failures Occur. 
  • Operating Characteristic (OC) Curves.
  • Tests of Comparison of the Mean Life for the Exponential Case.
  • The Normal Distribution; Confidence Interval on the Mean Life of Normally Distributed Data; Life Range, Life Limit, and Lower One Sided Confidence Limits on the Reliability with Normally Distributed Data.
  • The Lognormal Distribution.
  • The Weibull Distribution and Methods of Determining its Parameters. 
  • Confidence Limits on the Reliability with Weibull Distributed Times to Failure.
  • Ranks Not Available in Tables.
  • Tests of Comparison for the Weibull Distribution.
  • The Gamma and Beta Distributions.

 

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  • Methods of Parameter Estimation: Identification of Data Outliers; and the Least Squares, Matching Moments and Maximum Likelihood Methods of Distribution Parameters Estimation.
  • The Chi-Square, Kolmogorov-Smirnov, Anderson-Darling and Cramer - Von Mises Goodness-of-Fit Tests.

 

  • Reliability and Confidence Limits for One-Shot Items, and the Binomial Distribution.
  • Comparing Two Lots Through Binomial Testing.
  • Suspended-Items Testing, and Analysis of Field and Warranty Data.
  • Sudden-Death Testing.
  • Nonparametric Testing.
  • Accept-Reject Testing with Fixed Test Time and Failures.
  • Sequential Probability Ratio Tests (SPRT) for the Exponential Distribution. 
  • Sequential Test on the Scale Parameter for the Weibull Distribution.
  • Sequential Testing for the Binomial Distribution.
  • Accept-Reject Testing for the Binomial Case.
  • Bayesian Reliability Demonstration Testing.
  • Accelerated Life and Reliability Testing.
  • Test Duration and Sample Size Determination, and Their Optimization.
  • Numerous Practical Examples and Case Histories.


 
 
 

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