November, 10th 2011UEEIV Seminar1 Wayside Train Monitoring Systems at Bulgarian Infrastructure Manager (NRIC) - A Report on Experiences made in Zimnitsa Priv. Doz. Dr. Andreas Schöbel

November, 10th 2011UEEIV Seminar2 Cause Consequence Analysis

November, 10th 2011UEEIV Seminar3 Demand Analysis for Wayside Train Monitoring Systems Based upon the operational accident data base from NRIC three main items for monitoring could be defined: –Overload –Unbalanced Load –Faulty Boxes

November, 10th 2011UEEIV Seminar4 Prototype at Zimnitsa 2 Hot Box Detection System "TK 99" 1 Axle Load Checkpoint "G 2000"

November, 10th 2011UEEIV Seminar5 The System TK 99

November, 10th 2011UEEIV Seminar6 Measurement Geometry

November, 10th 2011UEEIV Seminar7 System G 2000 Based upon strain gauges Directly mounted (screwed or welded) at the rail web

November, 10th 2011UEEIV Seminar8 Results 50 Events on 24 Trains: 14 Hot Boxes(>100º) 18 Warm Boxes(>60º) 1 Hot Brake(>270º) 3 Warm Brakes(>220º) 14 Unbalanced Loads (left to right)(>1:2) 1 Unbalanced Load (front to back)(>1:2) Note: Data source from 1 st of January to 1 st of June in 2011

November, 10th 2011UEEIV Seminar9 Conclusions At least one derailment due to hot boxes was prevented – based upon Austrian experience. Wagon inspectors check for faulty brakes in a reliable and careful way. Loading of wagons from type "Eaos" has to be improved.

November, 10th 2011UEEIV Seminar10 Outlook (1) Network Coverage

November, 10th 2011UEEIV Seminar11 Outlook (2) Cross Border Data Exchange

November, 10th 2011UEEIV Seminar12 Questions?