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Dual-Recliner ABTS Seats in Severe Rear Sled Testswith the 5th, 50th and 95th Hybrid III
Technical Paper
2021-01-0917
ISSN: 0148-7191, e-ISSN: 2688-3627
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Event:
SAE WCX Digital Summit
Language:
English
Abstract
Seat strength has increased over the past four decades which includes a transition to dual recliners. There are seat collision performance issues with stiff ABTS and very strong seats in rear impacts with different occupant sizes, seating positions and physical conditions. In this study, eight rear sled tests were conducted in four series: 1) ABTS in a 56 km/h (35 mph) test with a 50th Hybrid III ATD at MGA, 2) dual-recliner ABTS and F-150 in a 56 km/h (35 mph) test with a 5th female Hybrid III ATD at Ford, 3) dual-recliner ABTS in a 48 km/h (30 mph) test with a 95th Hybrid III ATD leaning inboard at CAPE and 4) dual-recliner ABTS and Escape in 40 km/h (25 mph) in-position and out-of-position tests with a 50th Hybrid III ATD at Ford. The sled tests showed that single-recliner ABTS seats twist in severe rear impacts with the pivot side deformed more rearward than the stanchion side. The use of dual recliners on ABTS seats prevented twist but increased the stiffness causing serious injury risks, particularly to the small statured occupant. Dynamic testing of yielding seats provides a balance in strength and compliance for front-seat occupants of different size and physical condition.
Authors
Citation
Viano, D., Burnett, R., White, S., Stephens, G. et al., "Dual-Recliner ABTS Seats in Severe Rear Sled Testswith the 5th, 50th and 95th Hybrid III," SAE Technical Paper 2021-01-0917, 2021, https://doi.org/10.4271/2021-01-0917.Data Sets - Support Documents
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