Browse Publications Technical Papers 2018-01-1055

Repeatability and Reproducibility of Oblique Moving Deformable Barrier Test Procedure 2018-01-1055

National Highway Traffic Safety Administration (NHTSA) has developed an Oblique Offset Moving Deformable Barrier test procedure. For this test procedure to be viable, it must be repeatable within each test facility and it must be reproducible between test facilities. Three tests of a single vehicle model were conducted at three different test facilities, a total of nine tests, to evaluate repeatability and reproducibility. The responses of the vehicle and its occupants were evaluated using three different methodologies to quantify the repeatability within a single test facility and reproducibility among the three test facilities. The first two methods evaluated the time-history of the measured data and the third method only used the peak values. Overall, this test series demonstrated repeatable and reproducible results for the OMDB, vehicle, and driver occupant in the oblique offset test procedure. The method using only the peak values indicates more variability. This study has also identified a few areas where the test procedure can be refined, including improved vehicle sensor mounting requirements and dummy seating procedure.


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