Human operators play a major role in the resilience of complex systems–while human error is one of the biggest contributors to hazardous events, operators additionally play a critical role in mitigating hazardous events. A key factor underlying this operator resilience is situation awareness–the ability of operators to understand their environment and each other to achieve desired system functions. In contrast to situation awareness-related accident models in the literature, which are largely conceptual in nature, this work proposes the use of a dynamic simulation framework to concretely model both the effects of situation awareness-related human errors and situation awareness-related hazard-mitigating properties using the distributed situation awareness theory. This work then presents specialized model constructs to enable agents’ individual perceptions of the system state and transactions with other agents (and thus distributed situation awareness) to be represented in simulation. To demonstrate this framework, it is then adapted to an aircraft taxiway case study, where it is used to model aircraft conflicts due to lack of vision and poor communications from the air traffic controller. This demonstration shows the potential of using simulation models to rigorously understand situation awareness-related human errors and thus inform the design of resilience.


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    Title :

    Modeling Distributed Situation Awareness in Resilience-Based Design of Complex Engineered Systems


    Contributors:

    Conference:

    International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC-CIE) ; 2023 ; Boston, MA, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English







    Situation Awareness in Complex Systems: A Commentary

    Billings, C. E. / Center for Applied Human Factors in Aviation | British Library Conference Proceedings | 1994