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Analysis of lubricating oil is a direct and reliable approach to machinery condition monitoring. An estimate of the amount of fatigue induced metallic debris in the lubricating oil of a mechanical system can help us plan maintenance schedules. A reliably designed preventive maintenance system can reduce lost productivity and prevent catastrophic failures by timely replacement or maintenance of mission...
Fault information of machinery equipments is often contained in the process of lubricating oil wearing off. Meanwhile, the dielectric constant of the oil would change accordingly during the process. The principle of online oil contamination monitoring based on dielectric constant measurement is proposed. The measure system is also developed, which includes capacitance sensor, small capacitance detecting...
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