Nowadays, instead of driving on the road, an ever-increasing part of vehicle and vehicle componnnt endurance testing is performed on electro-hydraulic, computer-controlled test rigs. Thanks to sophisticated computer programs, it is possible to recreate the dynamic behaviour, as measured under actual road conditions, on test specimens on the test rig. This process can be summarised under the name Computer Aided Road Simulation: CARS. In this paper the CARS process will be described and illustrated by two examples of such dynamic multi-axial test rigs in use at DAF Trucks. One test rig has six servo-hydraulic actuators and is used for vibration testing of chassis, chassis components and cabs. On the other test rig, with eight actuators, axles and suspensions can be tested with dynamic loads simulating driving on poor road surfaces as well as with quasi-static loads corresponding to braking, accelerating and cornering.


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    Title :

    CARS, computer aided road simulation


    Additional title:

    Rechnergestuetzte Strassensimulation 'CARS'


    Contributors:


    Publication date :

    1988


    Size :

    19 Seiten, 16 Bilder, 4 Tabellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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