United States Department of Transportation
i
Integrated vehicle-based safety systems heavy-truck on-road test report
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2008-08-01
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[PDF-989.66 KB]
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Edition:September 2007 ¿ March 2008
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Abstract:This report presents results from a series of on-road verification tests performed to determine the readiness of a prototype
integrated warning system to advance to field testing, as well as to identify areas of system performance that should be improved
prior to the start of the field test planned for 2009. Data was collected from tests conducted on public roads using an International
8600 heavy truck equipped with the prototype safety system. The prototype system provides forward crash warning (FCW), lane
change merge (LCM), and lane departure warning (LDW) functions managed by an arbitration function to address multiple crash
threats. The objectives of the on-road tests were to operate the heavy truck in an uncontrolled driving environment to measure the
system’s susceptibility to nuisance alerts, assess alerts in perceived crash situations, and evaluate the system availability. Test
results revealed significant improvement in system performance throughout the series of tests conducted between September 2007
and March 2008. Based on positive results from the track-based verification tests conducted in February and these on-road tests,
it was recommended that the heavy-truck platform proceed to field testing in Phase II. Adjustments to alert timing were
recommended to further reduce the number of FCW and LDW nuisance alerts.
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