Crash Compatibility for Occupantless Delivery Vehicles
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2024-03-01
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Edition:Final Report, September 15, 2020 - December 29, 2021
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Abstract:This research studied how variations in an occupantless delivery vehicle’s (ODV) design can affect the occupants in an occupied crash partner vehicle, across a range of expected operational design domains. In full frontal and frontal oblique impact configurations, improved ODV compatibility correlated well with less severe LPV crash pulses, lower occupant compartment intrusions, and lower occupant injury risk for all four ODV categories. Optimized ODV frontal stiffness characteristics and reduced ODV vehicle mass correlated with improved compatibility and reduced crash partner occupant and structural loads. In side impacts, improved ODV compatibility also correlated with less LPV structural damage and lower occupant injury risk for three of the four ODV categories. Large and tall ODV with a more compatible lower frontal structure and a relatively stiff upper frontal structure produced higher roof deformation and higher head injury risk in the crash partner LPVs.
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