A method for monitoring communications among a plurality of controllers signally linked to a communication bus of a controller area network includes monitoring bus communications including determining bus error counts for a plurality of execution cycles. When a bus error count associated with message transmission from one of the controllers exceeds a predetermined threshold, the one of the controllers is prohibited from communicating on the communications bus for a predetermined period of time and is included in a subset of candidate fault-active controllers. Any of the plurality of controllers included within the subset of candidate fault-active controllers that successfully transmits a message is removed from the subset of candidate fault-active controllers. A fault-active controller is isolated based upon the subset of candidate fault-active controllers and the bus error counts.


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    Title :

    METHOD AND APPARATUS FOR ISOLATING A FAULT-ACTIVE CONTROLLER IN A CONTROLLER AREA NETWORK


    Contributors:

    Publication date :

    2015-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung




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