Smart Infrared Inspection System Field Operational Test - Center for ...

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BRAKE ALERTS Brakes are responsible for a majority of the alerts issued by SIRIS (this could vary by site and environment) and are an important safety issue for trucks, buses and other large vehicles. When a vehicle passes through the system, SIRIS measures the temperature of the brakes through the rim. The brakes are compared to the criteria set for SIRIS and an alert can be issued for a hot or cold brake. Hot brakes can be caused by many different circumstances including but not limited to dragging brake components, air system defects, mechanical errors, failure of opposite brake, or driving preference. Cold brakes can also be caused by some of the same conditions including but not limited to suspension, mechanical or air supply issues; inoperative or out of adjustment; or incorrect or missing attachments. When a brake alert is issued, the operator should view the screen and the temperature data for the brakes. (S)He should view not only the brake temperature for the side that has been flagged but the information for the brake on the opposite side of that axle. A brake on one side could be hotter due to an inoperative or faulty brake on the other side. 58
It is recommended that vehicles with brake alerts be sent for a Level 1 inspection. There are exceptions to this where the operator can see that the alert is not a true brake problem. These exceptions can be seen in certain patterns, explained below, that show a driver preference instead of a brake error. 59
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ORNL/TM-2011/98 Smart Infrared Insp
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Energy and Transportation Science D
Page 5 and 6:
TABLE OF CONTENTS ABBREVIATIONS, AC
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LIST OF FIGURES Figure 1. Driver's
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EXECUTIVE SUMMARY The Smart InfraRe
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1. INTRODUCTION In 2006, Internatio
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Type of Flaw Detected Brakes 274 Ti
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2. FIELD OPERATIONAL TEST The FOT w
Page 17 and 18: Figure 1. Driver's side components
Page 19 and 20: 2.2.2 Performance-Based Brake Teste
Page 21 and 22: 3. ANALYSIS OF FOT DATA The main go
Page 23 and 24: Type of Flaw Detected Table 5. Deta
Page 25 and 26: Percentage of Sampled Vehicles Perc
Page 27 and 28: 3.3.3 Bearing Violations Shown in T
Page 29 and 30: 4.1 SIRIS FUNCTIONALITY ISSUES 4. L
Page 31 and 32: 5. CONCLUSIONS The SIRIS device dev
Page 33 and 34: 6. FUTURE DIRECTION Based on the da
Page 35 and 36: ACKNOWLEDGEMENTS The CMVRTC team wo
Page 37 and 38: APPENDIX A: MAINLINE BRAKE ASSESSME
Page 39 and 40: APPENDIX B: VIOLATIONS ASSOCIATED W
Page 41 and 42: APPENDIX C: SIRIS PROBLEM LOG SHEET
Page 43 and 44: APPENDIX D: SIRIS FIELD OPERATIONAL
Page 45 and 46: APPENDIX E: TENNESSEE HIGHWAY PATRO
Page 47 and 48: APPENDIX F: SIRIS OPERATIONS MANUAL
Page 49 and 50: InfraRed Camera Optical Trigger Veh
Page 51 and 52: REGIONS OF INTEREST SIRIS measures
Page 53 and 54: If the ROI is too skewed, it will c
Page 55 and 56: STOP COLLECTING In order to stop co
Page 57 and 58: MODULE STATUS Module status lists t
Page 59 and 60: CONNECT This button allows the oper
Page 61 and 62: DISPLAY vehicle entries in the coll
Page 63 and 64: AUTO SCALE Auto Scale adjusts the c
Page 65 and 66: ALERTING SYSTEM When the SIRIS syst
Page 67: TIRE ALERTS As a vehicle passes thr
Page 71 and 72: BEARING ALERTS Bearing alerts are i
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