field operational test planning presented by: dave leblanc umtri its america 2007 annual meeting...
TRANSCRIPT
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Field Operational Test Planning
Presented by:
Dave LeBlanc
UMTRIITS America 2007 Annual Meeting &
Exposition
Palm Springs, CA
June 6, 2007
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2ITS America 2007 Annual Meeting June 6, 2007
Topics
• Objectives of FOT
• Experimental design
• Data collection
• Challenges
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3ITS America 2007 Annual Meeting June 6, 2007
Objectives of FOT
• Impacts on safety– Interactions during conflicts, near-crashes– Influences on driver behavior – Unintended consequences– Support safety benefits calculations by independent
evaluator
• Driver acceptance– Usability, satisfaction, willingness to purchase
• Data archive of driving – “360 deg” sensor coverage
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4ITS America 2007 Annual Meeting June 6, 2007
Preliminary Experimental Design –
Light Vehicle Platform• 108 drivers from southeast Michigan
– 80 x 100 mile area – gender balance, 3 age groups
• 16 vehicles ‘as their own’ • Nominal exposure: 6 weeks
– 2 weeks baseline (IVBSS ‘silent’)– 4 weeks IVBSS enabled
• 12 months, 275,000 miles• Exploring: targeting sub-populations &/or mixing
in longer exposures to increase system exposure to near-crashes
2007-8 Honda Accord EX
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5ITS America 2007 Annual Meeting June 6, 2007
Preliminary Experimental Design – Heavy Vehicle Platform
• Conway Freight (7,786 tractors; 30,449 trailers )• Terminal in Romulus, MI
(near Detroit metro airport) :– Line hauls– Local pickup/delivery
• 15-20 drivers• 11 tractors (10 in field, 1 spare) • Long box, pup, double-pup trailers• 740,000 miles and 30,000 hours of driving
International 8600 series
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6ITS America 2007 Annual Meeting June 6, 2007
FOT Data Archive
• Biographical & demographic data
• Onboard data– Numerical– Video– Audio
• Offline-data– Weather– Roadway– Crash data
• Pre-drive questionnaires – Attitudes, behavior,
style
• Post-drive questionnaires
• Focus groups
Objective Data Subjective Data
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7ITS America 2007 Annual Meeting June 6, 2007
Onboard Data Collection
• Continuous data from IVBSS system, vehicle, and FOT sensors* – 10 Hz to 50 Hz– Hundreds of data signals, plus:
• 5 cameras with adaptive frame rates and compression
• 7 radars (LV), 6 radars (HT)• Audio• Cell modem for remote monitoring
* Sensors installed for analysis purposes but not used for IVBSS function0
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8ITS America 2007 Annual Meeting June 6, 2007
FOT sensors
• Cameras:– Forward scene (may share
with LDW)– Driver face– Over-shoulder– Left side (may share with
LCM)– Right side (may share with
LCM)
• Cabin microphone• Differential GPS• Tri-axial accelerometer
GPS receiver
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9ITS America 2007 Annual Meeting June 6, 2007
Monitoring Vehicles in the Field– Light Vehicle Platform
Individualdriver trips
Cell modem data automatically loaded every ~15 minutes into database to allow team to monitor fleet over the Web
Automatichighlightsto assist
reviewers
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10ITS America 2007 Annual Meeting June 6, 2007
10
Con-way Freight Romulus Terminal
Maintenance Facility
Re-distribution
Center
Tractor Parking
200 ft
400 ft
600 ft
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11ITS America 2007 Annual Meeting June 6, 2007
DAS data networking
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12ITS America 2007 Annual Meeting June 6, 2007
Concluding Remarks
• Accomplishments to Date:– Identified objectives of FOT experiment– Established scope of FOT– Secured trucking fleet partner– Developed onboard data system requirements– Developed network concepts and prototype for off-site data servers
• Activities in 2007– Complete experimental design– Complete prototype data collection systems– Complete preliminary subjective instrument design