... out optimum allocations at each inspection time corresponding to each stress combination by using variance optimality criterion. Findings The method developed has been explained using a numerical example wherein point estimates and confidence intervals for the model parameters have been obtained...

... Figure 2) is given as follows: Accelerated degradation test Bogey testing Triangular cyclic stress Variance optimality criterion Wiener process Nomenclature n sample size Δt the smallest time unit of measurement f measurement frequency...