TY  - JOUR
PY  - 2015//
TI  - New developments at the front and rear of current vehicles
JO  - VKU Verkehrsunfall und Fahrzeugtechnik
A1  - Murri, Raphael
A1  - Gerster, Bernhard
A1  - Soltermann, Bruno
A1  - Muser, Markus H.
A1  - Eichholzer, Thomas
A1  - Keusch, Thomas
A1  - Martelozo, Luciano
SP  - 178
EP  - 185
VL  - 53
IS  - 5
N2  - The DTC Dynamic Test Centre has carried out more than 100 rear-end collisions in the low speed range over the past ten years. These crash tests made it possible to examine a large number of new vehicles with regard to new materials and specialities and their interaction with other vehicles. It was found that the variety of different materials in front and rear structures is increasing. Structural stiffness has also generally increased, although the vehicle front end now has a soft zone to improve pedestrian safety. In some cases, structures are being deliberately designed asymmetrically for the standard crash test. As stiffness increases, in particular in rear end structures, there is an increasing risk of airbag and belt tensioner deployment even in a low speed range. The analysis of accidents involving modern vehicles without knowledge of the structures and how they interact with one another is increasingly becoming a challenge. Last year, the break pressures in twelve crash tests were also recorded during the crash. In five vehicles, the ABS system released the brake during the collision, resulting in an increase in Delta v at the impacted vehicle. Ten of the twelve vehicles had partially or completely released the brake after the collision during 0.3 to 1.3 s. In three vehicles, the brake was completely released, thus resulting in a high risk of a secondary collision.<p />  <p>Language: de</p>
LA  - de
SN  - 0724-2050
UR  - http://dx.doi.org/
ID  - ref1
ER  -