Accession Number : ADA267511


Title :   Effects of Inspection Error on Optimal Inspection Policies and Software Fault Detection Models


Descriptive Note : Doctoral thesis


Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH


Personal Author(s) : Herge, Donna C


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a267511.pdf


Report Date : Aug 1993


Pagination or Media Count : 113


Abstract : Inspection policies are essential for many types of systems for which the status (functioning or failed) can be determined only by actual inspection. Two types of inspection error may occur. A functioning system may be incorrectly assessed as having failed or a failed system may be incorrectly assessed as functioning. These errors are designated as Types I and II respectively, and their impact on optimal inspection policies and software fault detection models is analyzed. For a periodic inspection model with Type I error, an optimal replacement age is obtained, then monotonicity and asymptotic properties of the long-run expected cost per unit of time are presented. Type I error is incorporated into a cumulative damage model. When the failure density is reverse rule of order 2, an algorithm to compute an optimal inspection sequence is derived, and it is proven that optimal intervals are increasing.


Descriptors :   *SOFTWARE ENGINEERING , *COMPUTER PROGRAM VERIFICATION , ALGORITHMS , DENSITY , OPTIMIZATION , POLICIES , DETECTION , DAMAGE , INTERVALS , SEQUENCES , TIME , COSTS , ERRORS , INSPECTION , REPLACEMENT


Subject Categories : Computer Programming and Software


Distribution Statement : APPROVED FOR PUBLIC RELEASE