Event Data Recorder (EDR) Interpretation.

Cover -- Table of Contents -- Introduction -- VOLUME 7B: CHAPTER 1 Accuracy and Characteristics of 2012 Honda Event Data Recorders from Real-Time Replay of Controller Area Network (CAN) Traffic -- Introduction -- Literature Review -- Methodology -- Data Collection -- Nondeployment Event Generation -- CAN Replay Experiments -- Results and Discussion -- CAN Identifier Maps -- CAN Speed Accuracy Tests -- 2012 CR-V Normal Driving -- Civic Steady State -- CDR Reported Precrash and Crash Data -- 2012 CR-V Accuracy during Maximum ABS Braking -- 2012 Civic EDR Accuracy during Maximum ABS Braking -- Timing between 0 and -0.5 Data Points in the Precrash Data -- Dynamic Steering Maneuvers -- Conclusions -- Data Accuracy Testing Methodology -- 2012 CR-V Speed Data -- 2012 Civic Speed Data -- Other SRS Reported Data -- Acknowledgments -- Nomenclature -- References -- Appendix -- Appendix A: Honda Can Bus IDS -- Appendix B: Can Replay System Design -- Data Transformation and Storage -- Design Considerations for CAN Transmission -- Windows PC -- Real-Time Operation System -- Field Programmable Gate Array -- Replay Timing Feedback -- Software Implementation -- Appendix C: Time Adjustment for Civic Data -- VOLUME 7B: CHAPTER 2 Validation of Event Data Recorders in High Severity Full.Frontal Crash Tests -- Introduction -- Delta-V Accuracy -- Speed Data Accuracy -- Seatbelt Buckle Accuracy -- Objective -- Approach -- Development of the EDR Dataset -- Crash Test Instrumentation Selection -- Event Recording Complete Status -- Seatbelt Buckle Status -- Airbag Deployment -- Precrash Vehicle Speed -- Delta-V -- Time Zero Alignment -- Delta-V Alignment -- Results -- Seatbelt Buckle Status -- Airbag Deployment -- Pre-crash Vehicle Speed -- Delta-V -- Discussion -- Conclusions -- References -- Definitions/Abbreviations -- Appendix.

VOLUME 7B: CHAPTER 3 The Accuracy and Sensitivity of 2005 to 2008 Toyota Corolla Event Data Recorders in Low-Speed Collisions -- Introduction -- Methods -- Instrumentation -- Test Procedure -- Vehicle Tests -- Sled Tests -- Data Reduction -- Results -- Vehicle Tests -- Frontal Impacts -- Rear-End Impacts -- Sled Tests -- Vehicle Crash Pulse Replications -- Haversine Crash Pulses -- ACM Model -- Repeatability -- Trigger Event Overwriting Logic -- Discussion -- Conclusions -- References -- Acknowledgments -- Appendix -- VOLUME 7B: CHAPTER 4 Accuracy of Translations Obtained by 2013 GIT Tool on 2010-2012 Kia and Hyundai EDR Speed and Delta V Data in NCAP Tests -- Introduction -- Literature Search -- Kia and Hyundai Tool -- Methods -- Results -- Precrash Speed Data Time Series (Element 2-1) -- Longitudinal Delta V Time Series (Element 1-1) -- Maximum Longitudinal Delta V (Element 1-2) -- Time to Maximum Delta V (Element 1-3) -- Lateral Delta V Time Series (Element 1-4) -- MDB Tests -- Pole Tests -- Maximum Lateral Delta V (Element 1-5) -- Time to Max Lateral Delta V (Element 1-6) -- Time to Max Total Delta V (Element 1-7) -- Discussion -- Conclusions -- References -- Acknowledgments -- Definitions/Abbreviations -- Appendix -- Appendix 1 - Frontal Crash Test Longitudinal Delta V in EDR versus Reference -- Appendix 2 - Frontal Crash Test Speed Prior to Impact in EDR versus Reference -- Appendix 3 - EDR Memory Section 1 Elements "Stoplight Chart" by Test Type (Green Indicates Plausible, Yellow not Expected, Red Implausible for the Test) -- Appendix 4 - EDR Memory Section 2 Data Elements 1-16 by Test Type -- Appendix 5 - EDR Section 2 Elements 17-34 Stoplight Chart -- Appendix 6 - EDR Section 3 Data Elements And Current Data Stoplight Chart by Test Type -- Appendix 7.

Appendix 8 - Chart of Kia/Hyundai Models that were Tested in this Study versus Models Officially Supported by the EDR Tool -- Appendix 9 - Discussion of Other Data Elements -- Rollover (Element 1-8) -- Throttle Time Series (Element 2-2) -- Brake Time Series (Element 2-3) -- Ignition Cycles at Event (Element 2-4) -- Driver Belt Status (Element 2-5) -- Airbag Warning Light On (Element 2-6) -- Time to Deploy Frontal Driver Stage 1 (Element 2-7) -- Time to Deploy Frontal Passenger Stage 1 (Element 2-8) -- Event Number (Element 2-9) -- Time Between Events (Element 2-10) -- Event Recording Complete (Element 2-11) -- RPM Time Series (Element 2-12) -- ABS On/Off Time Series (Element 2-13) -- Stability Control On/Off Time Series (Element 2-14) -- Steering (Element 2-15) -- Passenger Belt Status (Element 2-16) -- Driver Seat Position Forward (Element 2-17) -- Passenger Seat Position Forward (Element 2-18) -- Driver Occupant Classification System (Element 2-19) -- Passenger Occupant Classification System (Element 2-20) -- Time to Deploy Driver Frontal Airbag St. 2 (Element 2-21) -- Time to Deploy Pass Frontal Airbag St. 2 (Element 2-22) -- Time to Deploy Driver Side Airbag (Element 2-23) -- Time to Deploy Passenger Side Airbag (Element 2-24) -- Time to Deploy Driver Side Curtain (Element 2-25) -- Time to Deploy Passenger Side Curtain (Element 2-26) -- Time to Deploy Driver Pretensioner (Element 2-27) -- Time to Deploy Passenger Pretensioner (Element 2-28) -- Driver 2nd Stage Airbag Disposal (Element 2-29) -- Driver 3rd Stage Airbag Disposal (Element 2-30) -- Passenger 2nd Stage Airbag Disposal (Element 2-31) -- Passenger 3rd Stage Airbag Disposal (Element 2-32) -- Time to Deploy Driver Stage 3 (Element 2-33) -- Time to Deploy Passenger Stage 3 (Element 2-34) -- Longitudinal Acceleration Time Series (Element 3-1) -- Lateral Acceleration Time Series (Element 3-2).

Vertical Acceleration Time Series (Element 3-3) -- Ignition Cycles at Download (Real Time Element) -- Second Events -- Hex Data -- VOLUME 7B: CHAPTER 5 Validation of Event Data Recorders in Side-Impact Crash Tests -- Introduction -- Objective -- Approach -- Development of the EDR Dataset -- Event Recording Complete Status -- Crash Test Instrumentation Selection -- Delta-V -- Rotation Correction -- Time Zero Alignment -- Seatbelt Buckle Status -- Airbag Deployment -- Results -- Delta-V -- Seatbelt Buckle Status -- Airbag Deployment -- Discussion -- Conclusions -- References -- Acknowledgements -- Abbreviations -- Appendix -- VOLUME 7B: CHAPTER 6 Accuracy and Timing of 2013 Ford Flex Event Data Recorders -- Introduction -- Motivation -- Objective -- Literature Review -- Overview and Organization -- Procedure -- Driving Data Acquisition -- CAN ID Reverse Engineering -- Acceleration Sled Testing -- Results -- Steady State Speed Testing -- Speed Data During Hard Braking -- Pre-crash Stability Control Data: Longitudinal Acceleration -- Pre-crash Stability Control Data: Yaw Rate -- Pre-crash Stability Control Data: Lateral Acceleration -- Pre-crash Stability Control Data: Steering -- Delta V Data -- Accuracy Analysis -- Steady State Speed Data Testing -- Hard Braking Speed Data Testing -- Stability Control Data Testing -- Summary and Conclusions -- References -- Acknowledgments -- Definitions/Abbreviations -- Appendix -- VOLUME 7B: CHAPTER 7 Analysis of Crash Data from a 2012 Kia Soul Event Data Recorder -- Introduction -- Literature Review -- Test Vehicles -- Data Collection Procedure -- Methodology -- Test Series 1 -- Test Series 2 -- Results -- Test Series #1 -- Test Series #2 -- Discussion -- Conclusions -- References -- Acknowledgments -- Glossary -- VOLUME 7B: CHAPTER 8 EDR Pulse Component Vector Analysis -- Introduction -- Equipment.

HYGE™ Acceleration-Type Sled System -- Bosch CDR -- Subject EDRs -- Apparatus -- Procedure -- Initialization/Validation -- Testing -- Results -- Yaw Test Results -- Resultant Delta-V -- Apparent Yaw Angle -- RAM 1500 Delta-V Data Detail -- Pitch Test Results -- Discussion -- Summary/Conclusions -- Further Research Opportunities -- References -- Definitions/Abbreviations -- Appendix -- Appendix A -- Appendix B -- Appendix C -- VOLUME 7B: CHAPTER 9 Comparison of the Accuracy and Sensitivity of Generation 1, 2, and 3 Toyota Event Data Recorders in Low-Speed Collisions -- Introduction -- Methods -- ACMs -- Instrumentation -- Test Procedure -- Data Reduction and Analysis -- Results -- Repeatability -- Trigger Threshold -- Accuracy -- Discussion -- Conclusions -- References -- Acknowledgments -- Appendix -- Appendix A - Repeatability Data -- Appendix B - Trigger Threshold Data -- Appendix C - Full Model Regression Results -- Appendix D - Residuals -- VOLUME 7B: CHAPTER 10 Event Data Recorder (EDR) Developed by Toyota Motor Corporation -- Introduction -- EDRs Developed by Toyota -- Prior to EDR Regulations -- Compliance with EDR Regulations -- Addition of Pre-crash Data -- Post-crash Data Required for Crash Reconstruction -- Frontal Crash -- Additional Side Crash Data Recording -- Rollover Record -- Recording of PUH Pedestrian Protection System -- Recording by Non-crash Trigger -- Download Tool -- Automatic Collection of EDR Data -- Trial of Advanced Automatic Collision Notification System -- Conclusion -- References -- Appendix -- Appendix A - EDR Adoption Status in North America -- Appendix B - Downloaded PUH System EDR Data -- Appendix C - Trigger Items of VCH -- Appendix D - VCH Data Example (2014 IS) -- Appendix E - VCH Data Example (2014 IS) -- Appendix F - Collected EDR Data Example.

VOLUME 7B: CHAPTER 11 Longitudinal Delta V Offset Between Front and Rear Crashes in 2007 Toyota Yaris Generation 04 EDR.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.