The multiplexing systems currently being implemented are essentially information sharing systems. In the body system in particular, it is possible to reduce the cost of implementing features by growing one of the micros into a 16 bit device and slimming down the others. The bus will carry commands from the 16 bit master device as well as information. Many of the tasks in the body system do not need to run often. The 16 bit device can make use of large (economical) flash memory for reprogrammability, but in order to benefit from reprogrammability, the whole bus needs to run under a communications manager that will guarantee the real-time performance of the bus when program updates occur. This type of development will further divorce electronics hardware from software, and will require organizational changes in companies to implement it effectively. A popular architecture on the more complex vehicles is to have two separate buses, one for high speed control called the 'vehicle dynamics bus' and one for other functions called the 'body system bus'. CAN (Controller Area Network) is almost universally used as the vehicle dynamics bus in Europe, but there is some diversity in the bus used for body system.


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    Title :

    Control in automotive body system networks


    Additional title:

    Zwei Bussysteme für unterschiedliche Aufgaben in Kraftfahrzeugen


    Contributors:
    Moon, T. (author)

    Published in:

    Publication date :

    1996


    Size :

    6 Seiten, 2 Bilder, 5 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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