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PSA COUV page . page RA GB - PEUGEOT Presse

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Growth Strategy<br />

Corporate<br />

Governance<br />

Business Review<br />

Corporate Policies<br />

Management’s<br />

Discussion<br />

and Analysis<br />

Statistics<br />

conditions and to test ABS-equipped<br />

vehicles in actual road conditions.<br />

structural integrity and front-end crumpling<br />

in the event of frontal impact.<br />

• Suspension systems and stiff body shells<br />

A decisive factor in roadholding, metal<br />

suspensions (Peugeot) and electronically<br />

controlled hydraulic suspensions (Citroën)<br />

are two technologies that demonstrate<br />

the Group’s expertise.<br />

The Citroën C5 executive sedan debuted the<br />

new, exclusive Hydractive III electronically<br />

controlled hydraulic suspension system. This<br />

third generation technology has further<br />

improved the balance between guidance to<br />

follow the intended line of travel and filtering<br />

for a more comfortable ride. Smaller vehicles<br />

such as the Citroën C3, feature a rear axle<br />

with deformable crossbeams that ensure<br />

excellent handling in all situations.<br />

Suspension system performance is also<br />

directly related to the stiffness of the<br />

bodywork to which it is attached. The<br />

Group’s body shells rank among the best in<br />

the world in terms of torsional stiffness. This<br />

integrated architecture interacts with the<br />

entire vehicle’s active safety performance.<br />

• Track tests<br />

In 1991, <strong>PSA</strong> Peugeot Citroën became the<br />

first global carmaker to acquire a multigrip<br />

track to simulate winter driving<br />

The Belchamp Test Center in eastern France<br />

recently opened a new roadhandling test<br />

track to help develop vehicles equipped<br />

with electronic stability programs (ESP) and<br />

acceleration skid control (ASR) systems.<br />

The facility simulates different adhesion<br />

conditions on the left and right side of the<br />

vehicle (the cause of a large number of<br />

accidents) using a dry track and a wet<br />

track. The latter has a spray system that<br />

can cover the surface with a sheet of water<br />

between 0.8 and 1 millimeter deep. In this<br />

way, vehicle improvements can be validated<br />

under any road conditions.<br />

PASSIVE SAFETY: STATE-OF-THE ART<br />

PASSENGER PROTECTION SYSTEMS<br />

<strong>PSA</strong> Peugeot Citroën believes that drivers<br />

and passengers are entitled to state-ofthe-art<br />

protection in the event of an<br />

accident, and builds the latest technological<br />

innovations into every one of its vehicles.<br />

• Energy-absorbing front-end<br />

crumple zones<br />

To protect the passenger compartment,<br />

vehicle front ends have to be able to<br />

withstand high-energy impacts. However,<br />

they should also gradually crumple over<br />

the duration of the impact, which lasts<br />

100 milliseconds at most, in order to<br />

dissipate the crash’s kinetic energy and<br />

prevent the occupants from being subjected<br />

to the full force of the sudden deceleration.<br />

Rapid advances in seatbelts and airbags<br />

have also led to a better balance between<br />

The new platform strategy has provided an<br />

opportunity to completely resize the front<br />

ends of small, medium and large models<br />

on the three basic platforms. The Citroën<br />

C3, Citroën C5 and Peugeot 307 were the<br />

first to have their front-end impact strength<br />

doubled and their load resistance tripled<br />

through side beams.<br />

• The passenger compartment,<br />

a survival cell<br />

In an accident, the passenger compartment<br />

can play a critical role as a survival cell.<br />

Architecturally, raising the seat level not<br />

only makes the car roomier and improves<br />

visibility, but also heightens side impact<br />

protection by distancing vital body parts<br />

(head, chest and pelvis) from the impact<br />

area. Higher seats are found in the Citroën<br />

Picasso, the Peugeot 807 and Citroën C8<br />

MPVs, as well as the Peugeot Partner and<br />

Citroën Berlingo mini-MPVs.<br />

The sides of all recent vehicles have been<br />

strengthened by using very high yield<br />

strength sheet metal, which allows the side<br />

body panels to crumple extensively, yet<br />

gradually without ripping apart. Equipping<br />

recent models with side airbags as a standard<br />

option further reduces injury in the event<br />

of side impact. The Peugeot 307, 607 and<br />

807 and the Citroën C5 and C8 also have<br />

side curtain airbags to protect front and<br />

backseat passengers. These advances are<br />

especially important since accidentology<br />

shows that the severity score is greater for<br />

side than for frontal impact accidents.<br />

<strong>PSA</strong> <strong>PEUGEOT</strong> CITROËN - MANAGING BOARD REPORT 83

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