New Technologies for Maintenance

Jay Lee and Haixia Wang
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Jay Lee: University of Cincinnati
Haixia Wang: University of Cincinnati

Chapter 3 in Complex System Maintenance Handbook, 2008, pp 49-78 from Springer

Abstract: Abstract For years, maintenance has been treated as a dirty, boring and ad hoc job. It’s seen as critical for maintaining productivity but has yet to be recognized as a key component of revenue generation. The question most often asked is “Why do we need to maintain things regularly?” The answer is “To keep things as reliable as possible.” However, the question that should be asked is “How much change or degradation has occurred since the last round of maintenance?” The answer to this question is “I don’t know.” Today, most machine field services depend on sensor-driven management systems that provide alerts, alarms and indicators. The moment the alarm sounds, it’s already too late to prevent the failure. Therefore, most machine maintenance today is either purely reactive (fixing or replacing equipment after it fails) or blindly proactive (assuming a certain level of performance degradation, with no input from the machinery itself, and servicing equipment on a routine schedule whether service is actually needed or not). Both scenarios are extremely wasteful.

Keywords: Preventive Maintenance; Maintenance Policy; Outer Race; Material Handling System; Mean Time Between Failure (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1007/978-1-84800-011-7_3

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