Occupant Dynamics During Crash Avoidance Maneuvers

Reed, Matthew P.; Ebert, Sheila M.; Jones, Monica H.; Park, Byoung-keon D; University of Michigan. Transportation Research Institute

doi:10.21949/1530207

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Occupant Dynamics During Crash Avoidance Maneuvers

2021-02-01
By Reed, Matthew P. ; Ebert, Sheila M. ; Jones, Monica H. ; ...

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English

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Creators:

Reed, Matthew P. ; Ebert, Sheila M. ; Jones, Monica H. ; Park, Byoung-keon D

Reed, Matthew P. ; Ebert, Sheila M. ; Jones, Monica H. ; Park, Byoung-keon D Less -
Corporate Creators:

University of Michigan. Transportation Research Institute
Corporate Contributors:

United States. Department of Transportation. National Highway Traffic Safety Administration. Office of Vehicle Safety Research
Subject/TRT Terms:

[+]

Behavior Crash Causes Drivers Human Factors In Crashes Motion Passengers Posture
Publication/ Report Number:

DOT HS 812 997
DOI:

https://doi.org/10.21949/1530207
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

A 12-participant test-track study in a sedan, a minivan, and a pickup assessed head excursions across vehicles using two abrupt braking events, two lane changes, and turn-and-brake maneuvers. Forward head excursion was slightly smaller in the passenger car than in the other two vehicles. No explanation for this finding was apparent; the vehicle kinematics were similar. A larger study with 90 participants was then conducted using a passenger sedan and an SUV with a range of age and body size assigned to blocks of initial conditions. Factors investigated were seat position, foot placement, seat back recline angle, retractor locking, vehicle differences, and effects of leaning inboard on the console armrest or leaning forward while reaching. All 90 experienced two braking events, a right-going lane change, a left-going lane change, and a turn-and-brake maneuver. Overall, results suggest a range of occupant head locations can be produced by abrupt vehicle maneuvers. More research is needed to assess the robustness of occupant protection systems to this wide range of postures.
Format:

PDF
Collection(s):

NHTSA - Vehicle Safety Research
Main Document Checksum:

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urn:sha256:de9682b79fe04f1da3c13e37bba05d8530168d833671af57d23d3e4bbac22b85
Download URL:

https://rosap.ntl.bts.gov/view/dot/54737/dot_54737_DS1.pdf
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Occupant Dynamics During Crash Avoidance Maneuvers

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