This paper presents the innovative concept of a Self-energising Electro-Hydraulic Brake (SEHB) which is developed at IFAS for a railway application. Its advantages over conventional air brakes are high dynamics, the possibility to control the actual retarding torque, more compact design, higher braking forces and higher efficiency compared to conventionally used air brakes. Due to the concept of self-energisation only low electric power is required for brake actuation and no central hydraulic power supply is needed, thus significantly reducing design interfaces to the bogie. After introducing the working principle of the innovative SEHB system, some safety features are presented that allow load adaptive braking and braking for long periods. The non-linear system simulation gives insight into potential brake performance and supports the development process of the first brake prototype on the basis of an automotive brake calliper. The paper closes with an outlook on the further development of SEHB, including a full-size prototype for tests on a brake test rig for heavy rail vehicles.


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    Titel :

    Development of a self-energising electro-hydraulic brake (SEHB) for rail vehicles


    Beteiligte:


    Erscheinungsdatum :

    2007


    Format / Umfang :

    15 Seiten, 11 Bilder, 10 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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