This article reports on a Continental Teves compact class demonstration vehicle (the '30 m-car') that uses control network of selected, in part newly develope chassis systems to show a solution helping 'Mr. or Mrs everyday driver' to shorten their entire stopping distance (normal reaction distance plus brake force build-up distance plus braking distance) in emergency braking situations. The car is fitted with special concept tires with magnetized sidewalls that communicate with the newly developed SWT (Sidewall Torsion) Sensor, a brake-by-wire electro-hydraulic brake system and an electronic chassis system with controllable airsprings and hydraulic shock absorbers. The driver's reactions are monitored by accelerator and brake pedal sensors, an ACC distance sensor unit serves to monitor the traffic in front of the vehicle. All chassis subsystems were cross-linked within one control network. The shortening of stopping distance was effected in two steps. Nowadays the stopping power of vehicles is assessed with the help of the braking distance on a dry surface. Accordingly, the first step was to concentrate on reducing the braking distance from 100 km/h from 38 m to 30 m. This is equivalent to a 20 % reduction. The project name '30-m car' derives from this ambitious aim. As second step, an enhanced brake assist including driver and distance monitoring systems was develope to shorten overall stopping distance. By networking a chassis subsystems the stopping distance of an averag driver in emergency braking situations can be reduce by 20 %.


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    Title :

    Reduction of stopping distance through chassis system networking


    Additional title:

    Verringerung des Bremswegs mit Hilfe des Datenentzwerks für das Fahrwerk


    Contributors:
    Rieth, P.E. (author) / Eberz, T. (author)


    Publication date :

    2002


    Size :

    16 Seiten, 20 Bilder, 14 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Reduction of Stopping Distance Through Chassis System Networking

    Rieth, P. E. / Eberz, T. / SAE | British Library Conference Proceedings | 2002


    Reduction of stopping distance through chassis system networking

    Rieth,P.E. / Eberz,T. / Continental Teves,DE | Automotive engineering | 2002


    Integration of Chassis Components - the Reduced Stopping Distance

    Becker, A. / Folchert, U. / Kluge, S. et al. | British Library Conference Proceedings | 2001


    Improved Safety and Comfort Through Chassis System Networking

    Ziebart, W. / VDI | British Library Conference Proceedings | 2001


    Stopping-Distance Analysis

    Lewis, Richard L. / Raymond, Robert E. | SAE Technical Papers | 1973