Context-Dependent Prognostics and Health Assessment: A Condition-Based Maintenance Approach That Supports Mission Compliance

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In today's manufacturing environment, plants, systems, and equipment are being asked to perform at levels not thought possible a decade ago. The intent is to improve process operations and equipment reliability, availability, and maintainability without costly upgrades. Of course these gains must be achieved without impacting operational performance. Downsizing is also taking its toll on operations. Loss of personnel, particularly those who represent the corporate history, is depleting US industries of their valuable experiential base which has been relied on so heavily in the past. These realizations are causing companies to rethink their condition-based maintenance policies by moving away from ... continued below

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10 p.

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Allgood, G.O. & Kercel, S.W. April 19, 1999.

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In today's manufacturing environment, plants, systems, and equipment are being asked to perform at levels not thought possible a decade ago. The intent is to improve process operations and equipment reliability, availability, and maintainability without costly upgrades. Of course these gains must be achieved without impacting operational performance. Downsizing is also taking its toll on operations. Loss of personnel, particularly those who represent the corporate history, is depleting US industries of their valuable experiential base which has been relied on so heavily in the past. These realizations are causing companies to rethink their condition-based maintenance policies by moving away from reacting to equipment problems to taking a proactive approach by anticipating needs based on market and customer requirements. This paper describes a different approach to condition-based maintenance-context-dependent prognostics and health assessment. This diagnostic capability is developed around a context-dependent model that provides a capability to anticipate impending failures and determine machine performance over a protracted period of time. This prognostic capability links operational requirements to an economic performance model. In this context, a system may provide 100% operability with less than 100% functionality. This paradigm is used to facilitate optimal logistic supply and support.

Physical Description

10 p.

Notes

OSTI as DE00003731

Medium: P; Size: 10 pages

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  • 53rd MFPT (Society for Machinery Failure Prevention Technology) Meeting, Virginia Beach, VA (US), 04/19/1999--04/23/1999

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  • Report No.: ORNL/CP-101277
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 3731
  • Archival Resource Key: ark:/67531/metadc681988

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • April 19, 1999

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  • July 25, 2015, 2:20 a.m.

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  • April 6, 2017, 6:41 p.m.

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Allgood, G.O. & Kercel, S.W. Context-Dependent Prognostics and Health Assessment: A Condition-Based Maintenance Approach That Supports Mission Compliance, article, April 19, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc681988/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.