Photonic Low Cost Micro-Sensor for in-Line Wear Particle Detection in Flowing Lube Oils
AbstractThe presence of microscopic particles in suspension in industrial fluids is often an early warning of latent or imminent failures in the equipment or processes where they are being used. This manuscript describes work undertaken to integrate different photonic principles with a micro- mechanical fluidic structure and an embedded processor to develop a fully autonomous wear debris sensor for in-line monitoring of industrial fluids. Lens-less microscopy, stroboscopic illumination, a CMOS imager and embedded machine vision technologies have been merged to develop a sensor solution that is able to detect and quantify the number and size of micrometric particles suspended in a continuous flow of a fluid. A laboratory test-bench has been arranged for setting up the configuration of the optical components targeting a static oil sample and then a sensor prototype has been developed for migrating the measurement principles to real conditions in terms of operating pressure and flow rate of the oil. Imaging performance is quantified using micro calibrated samples, as well as by measuring real used lubricated oils. Sampling a large fluid volume with a decent 2D spatial resolution, this photonic micro sensor offers a powerful tool at very low cost and compacted size for in-line wear debris monitoring. View Full-Text
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Mabe, J.; Zubia, J.; Gorritxategi, E. Photonic Low Cost Micro-Sensor for in-Line Wear Particle Detection in Flowing Lube Oils. Sensors 2017, 17, 586.
Mabe J, Zubia J, Gorritxategi E. Photonic Low Cost Micro-Sensor for in-Line Wear Particle Detection in Flowing Lube Oils. Sensors. 2017; 17(3):586.Chicago/Turabian Style
Mabe, Jon; Zubia, Joseba; Gorritxategi, Eneko. 2017. "Photonic Low Cost Micro-Sensor for in-Line Wear Particle Detection in Flowing Lube Oils." Sensors 17, no. 3: 586.
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