A method operates a safety-critical system, which system contains at least one first data device having approved, safety-relevant software and at least one reference data device having the same approved, safety-relevant software. In the method, after a type check of the system, the at least one first data device is equipped with at least one piece of non-safety-relevant additional software and the at least one reference data device is blocked from software modifications. Before safety-related data information is output, output information of the at least one first data device and of the at least one reference data device are checked for a match with regard to the safety-relevant software by a comparison device, and the safety-related data information is output in the case of a match.
SOFTWARE AKTUALISIERUNG VON NON-KRITISCHEN KOMPONENTEN IN DUAL SICHERHEITSKRITISCHEN VERTEILTEN SYSTEMEN
SOFTWARE UPDATES OF NON-CRITICAL COMPONENTS IN DUAL SAFETY-CRITICAL DISTRIBUTED SYSTEMS
MISES À JOUR LOGICIELLES DE COMPOSANTS NON CRITIQUES DANS DES SYSTÈMES DISTRIBUÉS DUAL DE SÉCURITÉ CRITIQUE
2020-05-13
Patent
Electronic Resource
German
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr |
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