In order to analyze the schedulability of realtime transmission of multi-messages on Controller Area Network (CAN), an amended scheduling algorithm is put forward. This algorithm is based on Rate-Monotonic (RM) scheduling Algorithm, which is widely used on scheduling real-time multitasks on uniprocessor. CAN is treated as exclusive critical sections. The utilization of CAN is defined as a key factor of schedulability. A realistic workload of CAN in pure electric vehicle is present, and the schedulability of this system is calculated. The result is coincident to the actual work. The RM-scheduling upper limits of variant velocity messages are counted, which can be used as the guideline to evaluate the communication ability of CAN.


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    Title :

    Analysis of schedulability of CAN based on RM algorithm


    Contributors:
    Cui Shengmin, (author) / Wang Dafang, (author) / Wang Jianfeng, (author) / Wu Meng, (author)


    Publication date :

    2007-12-01


    Size :

    248974 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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