TTEthernet is a new high availability network protocol for the automotive domain, providing support for the transmissions of time-critical periodic frames in a time-triggered (TT) traffic and event-triggered frames in a rate-constrained (RC) or best-effort (BE) traffic. The design of a system scheduling with communication over the TTEthernet is not an easy task because of protocol and timing constraints as well as the demand for high quality-of-service and extensibility. In this paper, we study the co-optimization problem of the tasks and signals scheduling for TTEthernet-based time-triggered automotive systems. We propose a Mixed-Integer Linear Programming (MILP) framework for optimizing the signal packing, signal scheduling and task scheduling, subject to all protocol, processor and timing constraints with respect to latency- or extensibility-related metrics. Extensive experiments are conducted to evaluate the effectiveness and efficiency of the proposed approach in a variety of scenarios.


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    Titel :

    Schedule Optimization for Ttethernet-based Time-triggered Automotive Systems


    Weitere Titelangaben:

    Int.J Automot. Technol.


    Beteiligte:
    Zhao, Rui (Autor:in) / Qin, Guihe (Autor:in) / Yan, Jie (Autor:in) / Qin, Jun (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.12.2020


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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