integrating oem vehicle rops to improve rollover injury probability susie bozzini*, nick dinapoli**...

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.