The University of applied sciences FH Amberg-Weiden developed a user interface, which can access electronic control units (ECU), integrated in vehicles via a common internet browser. The connection is set up e.g. through the area-wide communication-service GPRS. In use of a standard GPRS-modem, which is joined to the ECU, and an integrated TCP/IP-protocol (lwIP - Lightweight TCP/IP stack), an internet connection to driving vehicles is provided. The interface is realised by a embedded HTTP web server. Every usual PC, with internet access can be connected to the ECU for data exchange. The further research is focused on the practicability of a wide area connection for these applications. These are e.g. a flash loader through CAN. The flash process of a new software for the ECU is initialised through the web server. The data will be transmitted via a web interface to the ECU, where we verify it. If the vehicle is in safe mode (e.g. not driving), the software can be transmitted to the flash and the system can the be restarted. Problems like the answer times of the server with different speeds of the vehicle, connection loss and transfer rates are regarded. This project is integrated in the joint project AUTOSAFE. It aims at improving road safety through an integral safety system.


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    Title :

    Automotive applications via wide area access


    Additional title:

    Fahrzeugspezifische Anwendungen in Bezug auf den großflächigen Zugriff


    Contributors:
    Lepke, Heike (author) / Pösl, Josef (author)


    Publication date :

    2008


    Size :

    10 Seiten, 10 Bilder, 3 Tabellen, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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