Conveners
Reliability
- Chair: Bjarne Bergquist (Luleå University of Technology)
As the field of reliability engineering continues to grow and adapt with time, accelerated life tests (ALT) have progressed from luxury to necessity. ALT subjects test units to higher stress levels than normal conditions, thereby generating more failure data in a shorter time period. In this work, we study a progressively Type-I censored k-level step-stress ALT under interval monitoring. In...
Advancement in manufacturing has significantly extended the lifetime of a product while at the same time it made harder to perform life testing at the normal operating condition due to the extensively long life spans. Accelerated life tests (ALT) can mitigate this issue by testing units at higher stress levels so that the lifetime information can be acquired more quickly. The lifetime of a...
In this work, we investigate order-restricted Bayesian cost constrained design optimization for progressively Type-I censored simple step-stress accelerated life tests with exponential lifetimes under continuous inspections. Previously we showed that using a three-parameter gamma distribution as a conditional prior ensures order restriction for parameter estimation and that the conjugate-like...