Field Study of Heavy -Vehicle Crash Avoidance Systems · Field Study of Newer Generation Heavy...
Transcript of Field Study of Heavy -Vehicle Crash Avoidance Systems · Field Study of Newer Generation Heavy...
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SAE Government Industry Meeting | January 25-27, 2017SAE Government Industry Meeting | January 25-27, 2017
Field Study of Heavy-Vehicle
Crash Avoidance Systems
Alrik L. SvensonOffice of Vehicle Crash Avoidance & Electronic
Controls Research
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SAE Government Industry Meeting | January 25-27, 2017
Overview
• Background• Locations of Trucks in
Study• Data Collection• Videos of Safety Critical
Events• Next Steps
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SAE Government Industry Meeting | January 25-27, 2017
Background• Field Operational Test (FOT) on Heavy Vehicle Collision
Avoidance and Mitigation Systems• Conducted by Virginia Tech Transportation Institute (VTTI)
• 7 Small to Medium Sized Fleets Participating.• 150 - Class 8 Tractors Instrumented (including video data) for
Approximately 1 year.• Collision Avoidance Systems (CAS) Tested:
• Automatic Emergency Braking/Forward Collision Warning (AEB/FCW)
• Lane Departure Warning (LDW)
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SAE Government Industry Meeting | January 25-27, 2017
Locations of Trucks in Study
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SAE Government Industry Meeting | January 25-27, 2017
Data Collection
• Types of Alerts– Automatic Emergency Braking (AEB)– Impact Alert (IA)– Stopped Object Alert (SOA)– Following Distance Alert (FDA)– Lane Departure Warning (LDW)– Study Measure – Adaptive Cruise Control (ACC) Activation
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Data collected from FOT:• 3.2 Million Miles of Driving• 109,000 Hours of Driving
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SAE Government Industry Meeting | January 25-27, 2017
Alerts and System Activations
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SAE Government Industry Meeting | January 25-27, 2017
Videos of Safety Critical Events
• AEB Activations were rare events – drivers in the study received them at a rate of 0.005/hour.
• Study investigated a sample of 6,000 safety critical events including all AEB activations.
Naturalistic Video Examples:1. Braking Lead Vehicle2. Turning Lead Vehicle3. Truck in Passing Maneuver4. Lane Change by Vehicle Ahead5. Multiple Lane Change by Vehicle Ahead6. Truck Passing a Turning Vehicle Ahead7. Hard Braking Event - Distraction
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SAE Government Industry Meeting | January 25-27, 2017
Braking Lead Vehicle
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SAE Government Industry Meeting | January 25-27, 2017
Turning Lead Vehicle
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SAE Government Industry Meeting | January 25-27, 2017
Truck in Passing Maneuver
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SAE Government Industry Meeting | January 25-27, 2017
Lane Change by Vehicle Ahead
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SAE Government Industry Meeting | January 25-27, 2017
Multiple Lane Change by Vehicle Ahead
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SAE Government Industry Meeting | January 25-27, 2017
Truck Passing a Turning Vehicle Ahead
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SAE Government Industry Meeting | January 25-27, 2017
Hard Braking Event - Distraction
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SAE Government Industry Meeting | January 25-27, 2017
Next Steps
• NHTSA is continuing research with a follow on study, Field Study of Newer Generation Heavy Vehicle AEB Systems.– Awarded to VTTI - Project kickoff was in November 2016.– 2+ Year naturalistic study of AEB systems installed in 150 trucks.– Examine real-world performance of newest generation of:
• Bendix® Wingman® FusionTM
• Detroit AssuranceTM 4.0• Meritor WABCO OnGuardACTIVETM
• Final Report available now at www.nhtsa.gov:– DOT HS 812 280 - Field Study of Heavy-Vehicle Crash
Avoidance Systems.
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SAE Government Industry Meeting | January 25-27, 2017SAE Government Industry Meeting | January 25-27, 2017
Alrik L. SvensonResearch Engineer/ Program [email protected]
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