May 2008

Special Report: Maintenance/Reliability

Sound-based predictive maintenance: a cost-effective approach

An electronic stethoscope, digital recorder and computer program can detect and diagnose many incipient equipment failures

Goti, A., University of Mondragon

Optimizing industrial maintenance is of great importance in plant management and operation.1 Within the maintenance function, measurement plays a key role in an organization's long-term profitability; measurements (metrics and benchmarking) have increasingly become critically important tasks for plant managers.2 That said, measuring deterioration parameters related to equipment should thus take up much of a maintenance technician's work effort. Reliability professionals are always looking for opportunities to assemble updates on equipment performance enhancements.3 Process control system managers are encouraged to establish predictive/proactive approaches to system management.4 These predi

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