ALTA Training - RS 402 Introduction to Accelerated Life Testing Analysis

Course Outline

Day 4 Morning 8:30 a.m. to Noon
Quantitative accelerated life testing is a very important topic in reliability engineering. Life testing products under higher stress levels without introducing additional failure modes can provide significant savings of both time and money. Correct quantitative analysis of data gathered via such accelerated life testing will yield parameters and other information for the product's life under use stress conditions. This is a results-oriented seminar with emphasis on introducing the theories and methodologies in the real world of quantitative accelerated life testing.

Fundamentals of Quantitative Accelerated Life Testing

Overview of accelerated life testing
- What it is and how it is applied
- Types of accelerated tests (Quantitative vs. Qualitative)
Introduction to Applicable life-stress relationship models and their analyses
- Constant stress (time-independent) relationships
  - Arrhenius relationship
  - Eyring relationship
  - Inverse power relationship
  - Temperature - humidity relationship
  - Temperature - non-thermal relationship
  - GLL relationship.
- Time-dependent stress relationships
  - Cumulative exposure/damage model (step/ramp stress models)
Predicting life use reliabilities, warranty times and MTTF (MTBF) using accelerated life data
Determining acceleration factors
Obtaining use level plots/results from accelerated data including:
- Probability plots
- Reliability plots and results
- Failure rate plots and results
- Probability density function (pdf) plots
- Life-stress plots
- Confidence bounds on plots and results

Day 4 Afternoon 1:00 p.m. to 4:30 p.m.

Applying the Analysis Methods Using ReliaSoft's ALTA

In addition to the presentation of the underlying theory and methods, attendees at this session will receive training on how to use ReliaSoft's accelerated life testing data analysis software package, ALTA (note that the emphasis is on ALTA Standard, while RS 521 emphasizes ALTA PRO).

You will also be provided with an evaluation copy of ALTA.