Optimal Scheduling of Inspections: A Delayed Markov Model with False Positives and Negatives

Suleyman Özekici and Stanley R. Pliska
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Suleyman Özekici: Bogazici University, Bebek, Istanbul, Turkey
Stanley R. Pliska: University of Illinois at Chicago, Chicago, Illinois

Operations Research, 1991, vol. 39, issue 2, 261-273

Abstract: A system subject to catastrophic failure deteriorates according to a delayed Markov process and is subjected to a series of binary tests that may yield false negative and false positive outcomes. A corrective action is carried out when a true positive is observed, thereby reducing the chance of system failure. Costs of inspections, false positives, the corrective action, and failure are incurred, and dynamic programming is used to compute the optimal inspection schedule. Two tractable computational methods are developed. The model, which is suited for medical screening, is applied to the problems of post-operative periumbilical pruritis and breast cancer.

Keywords: dynamic programming/optimal control: semi-Markov inspection scheduling model; health care; diagnosis: stochastic model for optimal medical screening; probability; stochastic model; applications: optimal inspection schedule model (search for similar items in EconPapers)
Date: 1991
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Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:inm:oropre:v:39:y:1991:i:2:p:261-273

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