More electronic vehicle functions lead to an exponentially growing degree of software integration in automotive ECUs. We are seeing an increasing number of ECUs with mixed criticality software. ISO26262 describes different safety requirements, including freedom from interference and absence from error propagation for the software. These requirements mandate particular attention for mixed-criticality ECUs. In this paper we investigate the ability to guarantee that these safety requirements will be fulfilled by using established (deadline monitoring) and new error detection mechanisms (execution time monitoring). We also show how these methods can be used to build up safe and efficient schedules for today's and future automotive embedded real time systems with mixed criticality software.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Software Architecture Methods and Mechanisms for Timing Error and Failure Detection According to ISO 26262: Deadline vs. Execution Time Monitoring


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2013 World Congress & Exhibition ; 2013



    Publication date :

    2013-04-08




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Software Tool Qualification According to ISO 26262

    Conrad, M. / Sandmann, G. / Munier, P. et al. | British Library Conference Proceedings | 2011


    Software Tool Qualification According to ISO 26262

    Sandmann, Guido / Conrad, Mirko / Munier, Patrick | SAE Technical Papers | 2011


    Deadline Monitoring versus Execution-Time Monitoring

    Ficek,C. / Richter,K. / Schmidt,K. et al. | Automotive engineering | 2012


    Calculation of Failure Detection Probability on Safety Mechanisms of Correlated Sensor Signals According to ISO 26262

    Granig, Wolfgang / Hammerschmidt, Dirk / Zangl, Hubert | British Library Conference Proceedings | 2017


    Calculation of Failure Detection Probability on Safety Mechanisms of Correlated Sensor Signals According to ISO 26262

    Hammerschmidt, Dirk / Zangl, Hubert / Granig, Wolfgang | SAE Technical Papers | 2017