Integrating OEM Vehicle ROPS to Improve Rollover Injury Probability
Susie Bozzini*, Nick DiNapoli** and Donald Friedman***
*Safety Engineering International Goleta, CA, USA** Consultant
*** Center for Injury Research Santa Barbara, CA, USA
The probability of injury as a function of residual crush in the front compartment
R o l l 2 : C u m u l a ti v e R e s i d u a l C r u s h a n d M a jo r R a d i u s
(2 0 0 7 V W J e tt a )
(2 0 0 7 H o n d a C R -V )
(2 0 0 6 H y u n d a i S o n a ta )
(2 0 0 5 V o lvo X C 9 0 )
(2 0 1 0 T o y o ta P riu s )
(2 0 0 9 N is s a n V e rs a )
(2 0 0 7 T o y a ta C a m ry )
(2 0 0 7 T o y o taC a m ry H y b rid )
(2 0 0 8 S c io n x B )
(2 0 0 7 H o n d a R id g e lin e )
(2 0 0 7 C h e vy T a h o e )
y = 1 .2 3 0 x - 4 8 .5 9R ² = 0 .8 3 0
0
2
4
6
8
1 0
1 2
1 4
4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0
M a jo r R a d iu s ( in .)
Res
idua
l Cru
sh
(in.)
R o ll 2 R e s id u a l A v e ra g e = 5 .6 2Ma jo r R a d iu s A v e ra g e = 4 4 .0
Cumulative Residual Crush vs Major Radius
Dynamic Lateral Rollover Test – A Pillar Crush with 44” Major Radius
Dynamic Lateral Rollover Test – A Pillar Crush with HALO™ ROPS
Research Safety Vehicle (RSV) – NHTSA 1984
RSV redesign sketch to round roof and enhance pillar support.
Patented aftermarket HALOTM ROPS fitted to a Toyota Hilux Dual Cab Truck
Concept “A” - Integrated OEM production modification for improved rollover protection.
Production Vehicle, Vehicle equipped with aftermarket HALOTM and Concept “A” (reduced Major Radius) injury probability bars, respectively.
Original 2012 Mitsubishi Triton Dual Cab
HALOTM ROPS Equipped Mitsubishi Triton Dual Cab
Concept “B” Production vehicle approach for integrated ROPS
Concept “B” Sheet metal ROPS component assembly
Concept “B” OEM version of Mitsubishi Triton Dual Cab
Original Toyota Hilux Dual Cab
After market HALOTM version of Toyota Hilux Dual Cab
Concept “B” OEM HALOTM version of Toyota Hilux Dual Cab
Integrating OEM Vehicle ROPS to Improve Rollover Injury Probability
Questions?
Thank you.