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An Industrial Monitoring Problem

Summary: An industrial monitoring problem is considered in which a single unit within a group may experience an event that has a potential harmful effect. This event may be a gradual but not easily detected deterioration in performance or may lead to catastrophic failure. Units are inspected regularly and those that have experience an event are replaced. The issues involved are similar but somewhat different from those of preventative maintenance in which units are replaced before failure, thereby raising a number of statistical issues, some of which are discussed here. The work is motivated by a study conducted on bovine tuberculosis.

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  • Topics: Design of Experiments
  • Keywords: Monitoring, Failure analysis, Preventive maintenance, Statistical methods, Inspection
  • Author: Cox, D. R.
  • Journal: Quality Engineering