Passive and active safety systems are features of increasing importance in todays passenger cars which make an initial design based on comprehensive vehicle and occupant dynamics simulation necessary. In the field of vehicle dynamics the modular computer program FASIM-C++, using complex three-dimensional vehicle models including mechatronic elements like hydraulic systems, actuators, sensors and electronic controllers, has proved to be extremely helpful. Controller systems like antilock-braking systems (ABS), traction control systems (TCS), vehicle dynamics control (VDC) and rollover detection are currently developed with the help of FASIM-C++. In particular the first version of the vehicle dynamics control system ESPTM has been entirely developed using FASIM - an earlier version of FASIM-C++ - for the simulation. For development of passive safety systems occupant simulation is of importance. For this purpose the commercial occupant simulation toolset MADYMO is used. Various accident scenarios are modelled with FASIM-C++ and the resulting occupant behaviour is analysed in MADYMO. The results of the investigations presented in this paper are from different projects, in close cooperation with industrial partners and are illustrated using various examples.
Design of active vehicle dynamic systems in passenger cars
Entwurf aktiver Fahrzeugdynamilksysteme für Personenkraftwagen
1999
8 Seiten, 16 Bilder, 1 Tabelle, 10 Quellen
Aufsatz (Konferenz)
Englisch
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