Risk Analysis

Extended GTST‐MLD for Aerospace System Safety Analysis

Journal Article

The hazards caused by complex interactions in the aerospace system have become a problem that urgently needs to be settled. This article introduces a method for aerospace system hazard interaction identification based on extended GTST‐MLD (goal tree‐success tree‐master logic diagram) during the design stage. GTST‐MLD is a functional modeling framework with a simple architecture. Ontology is used to extend the ability of system interaction description in GTST‐MLD by adding the system design knowledge and the past accident experience. From the level of functionality and equipment, respectively, this approach can help the technician detect potential hazard interactions. Finally, a case is used to show the method.

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