| VERIFICATION AND COMPLEMENT OF EDR SPEED DATA THROUGH
THE ANALYSIS OF REAL WORLD VEHICLE COLLISION ACCIDENTS |
| Inhwan Han |
| Hongik University |
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| ABSTRACT |
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In this paper, two methods for practical verification and complementation of speed data stored in EDR are
presented. Both methods are based on analyses of actual collision accidents and can be performed in parallel with conventional
accident analysis procedure. One of the two methods uses video footage stored in vehicle-mounted camera (black box) to
estimate the speed of vehicles. The other method is for performing optimal analysis based on vehicle collision model built in
the range of rigid body dynamics. Through analyses of black box footage from actual collision accidents, it was confirmed that
the estimated speed matched the data stored in EDR with high accuracy. Additionally, by using actual collision cases, the
practicality of vehicle collision model-based speed estimation method was validated. In cases where video footage is not
available, optimization method based on rigid body collision model can be used together with EDR data. |
| Key Words:
Event data recorder, Vehicle speed, Verification and complement, Vehicle-mounted camera (black box),
Rigid-body impact, Accident reconstruction |
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Corresponding Author.
Inhwan Han , Email. 
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