Design of Experiments Guide  • Accelerated Life Test Designs

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Accelerated Life Test Designs
Designing Experiments for Accelerated Life Tests
Product reliability at normal use conditions is often so high that the time required to test the product until it fails is prohibitive. Rather than test the product at normal use conditions, you can test the product under conditions that are more severe than normal use conditions. These severe conditions cause the product to degrade faster and fail more quickly. You can then use this accelerated failure data to predict product reliability at normal use conditions.
Use the Accelerated Life Test (ALT) Design platform to design plans for accelerated life testing experiments. You can design initial experiments or augment existing experiments.
Figure 22.1 Profiler Showing Failure Probabilities for ALT Experiment
Contents 
Overview of Accelerated Life Test Designs
Example of an Accelerated Life Test Design
Obtain Prior Estimates
Enter Basic Specifications
Enter Prior Information and Remaining Specifications
Make the Design
Run Simulations
Save Design
Example of Augmenting an Accelerated Life Test Design
Accelerated Life Test Plan Window
Specify the Design Structure
Specify Acceleration Factors
Specify Design Details
Review Balanced Design Diagnostics and Update Specifications
Create and Assess the Optimal Design
Create Design Tables
Platform Options
Statistical Details for the ALT Design Platform

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Help created on 3/19/2020