Frauscher: Preventive and Predictive Maintenance based on FOAD

Over the past few years, Fiber Optic Acoustic Detection (FOAD) has attracted a lot of attention throughout the global railway industry, Frauscher Sensor Technology officials say. By combining this technology with proven wheel detection systems and axle counters, the company has created a system called Frauscher Tracking Solutions (FTS).
http://www.progressiverailroading.com/rail_product_news/details/Frauscher-Preventive-and-predictive-maintenance-based-on-FOAD--51754