Abstract
Though the concept of Situation Awareness (SA) was put forward over two decades, it is still a popular issue in the field of human factors. However, the current ‘situation’ has been changed a lot from the times when SA theory was born. More and more system parts have been designed to meet the requirement of context-aware, which means they have been distributed some cognitive function in a system. We propose out the concept of System Situation Awareness (SSA) and try to extend the range of awareness from human to system. SSA is influenced by the system’s ability of context-aware and human’s ability of situation awareness. The complex mechanism exists between human and system when maintaining SSA. This concept implies that the system would probably lose its SA when its context-aware ability gets weaken or lost. We should focus more on system design to enhance SSA with the approach of human system integration.
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