ALTA Reference Examples

These examples demonstrate how ALTA solves a variety of problems from published references.

Single-Stress QALT Analysis

• Arrhenius-Exponential Model
• Arrhenius-Lognormal Model
• Arrhenius-Lognormal Model for Interval Data
• Arrhenius-Lognormal Model for Interval Data with Activation Energy
• Inverse Power Law (IPL)-Lognormal Model

Multi-Stress QALT Analysis

• Temperature-Nonthermal (TNT)-Weibull Model
• General Log-Linear (GLL)-Weibull Model
• Norris-Landzberg-Exponential Model

QALT with Stress Profiles

• Cumulative Damage Model for Step Stress Profiles
• Cumulative Damage Model for Progress Stress Profiles

Accelerated Life Test Plans

• Two Level Optimum Test Plan for One Stress
• Three Level Compromise Test Plan for One Stress
• Optimal Test Plan for Two Stresses