This paper presents methods to easily increase the dependability and fault tolerance of a scalable bit-oriented cyclic protocol, QRcontrol, utilizing TDMA technique. Minor changes to the protocol software and built-in techniques in the controller can give increased dependability for changing requirements on the system. These techniques include for example enabling of double buses, checksums for a node or a whole TDMA cycle, bus guardians and different fault detection mechanisms for some or all nodes in the cluster.The concept can be assigned to a very broad range of applications, from body electronics in cars to “By-Wire” applications with the highest dependability requirements.


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    Title :

    Achieving a Cost Efficient and Dependability Scalable System for Automotive Applications, Using the QRcontrol Communication Protocol


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Automotive and Transportation Technology Congress and Exposition ; 2001



    Publication date :

    2001-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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    Sivencrona,H. / Johansson,L.A. / Chalmers Univ.of Technology,SE | Automotive engineering | 2001


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