This paper outlines the principles of brake spectra and presents typical examples for heavy road vehicles. The contributions to the spectra and presents typical examples for heavy road vehicles. The contributions to the spectra from retardation, parking and door/stop braking are discussed, as well as their effect on fatigue life using accumulated damage theories. Test procedures are briefly covered too. The shape of the brake spectrum curve as well as the number of applications per year or mileage are primarily functions of external factors such as type of operation, traffic intensity and driver behaviour. For heavy road vehicles the use of parking brakes and door/stop brakes (bus) give a significant influence to the shape of the curve. Whilst the designer of heavy road vehicles can do very little to these inputs, he/she can influence the load level of the brake components considerably. To achieve reasonable safety margins at moderate cost and weight the effect of as many arbitrary factors as possible must be diminished. From the results reviewed in this paper the spring brakes and door/stop brakes are very worth while paying attention to. It may be surprising to learn that the service brakes retarding the vehicle contribute very little to the accumulated damage.


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    Title :

    Brake spectrum - a fundamental parameter for design of brakes


    Additional title:

    Bremsspektrum - Ein grundlegender Parameter fuer die Auslegung von Bremsen


    Contributors:
    Stomrud, S. (author)

    Published in:

    Publication date :

    1983


    Size :

    6 Seiten, 6 Bilder, 7 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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