Proposes a failure-rate based heterogeneous SSALT model with finite mixtures of Weibull distributions for Type-II censored data, estimated via EM algorithm, as a generalization of prior cumulative exposure models.
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2026 2verdicts
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An exact Bayesian planning framework for simple step-stress ALT with competing risks minimizes the preposterior variance of the use-stress lifetime quantile via Monte Carlo grid search and Stan sampling after reparametrizing parameters for prior elicitation.
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A Finite Mixture Failure-rate based Heterogeneous Step-stress Accelerated Life Testing (h-SSALT) Model
Proposes a failure-rate based heterogeneous SSALT model with finite mixtures of Weibull distributions for Type-II censored data, estimated via EM algorithm, as a generalization of prior cumulative exposure models.
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Exact Bayesian Planning for Simple Step-Stress Accelerated Life Testing with Competing Risks
An exact Bayesian planning framework for simple step-stress ALT with competing risks minimizes the preposterior variance of the use-stress lifetime quantile via Monte Carlo grid search and Stan sampling after reparametrizing parameters for prior elicitation.