Evaluating the effectiveness of an improved active dynamic signage system using full scale evacuation trials
2017
Galea, Edwin R. | Xie, Hui | Deere, Steven | Cooney, David | Filippidis, Lazaros
The need for exit signs that attract attention when they need to be conspicuous, to redirect people to not just an exit route, but a viable and if possible an optimal exit route in an evolving emergency has driven the development of a new generation of advanced signage, the Intelligent Active Dynamic Signage System (IADSS). The IADSS, attempts to meet these needs through the development of a novel Active Dynamic Signage System (ADSS) which can be controlled by an intelligent decision support system. This paper presents results that refine the effectiveness of the ADSS. When an exit route is considered non-viable, the adapted ADSS provides not only negative information i.e. that an exit is no longer available, but also positive information, i.e. indicating a viable alternative exit. In addition, in situations where a voice alarm system is used in conjunction with the ADSS, it is also important to ensure that the messaging does not contradict the intent of the ADSS. The improved ADSS was tested in full-scale evacuation trials in a rail station. Results suggest that the improved ADSS with voice alarm messaging that does not contradict the signage system successfully redirected 66% of the participants to the intended exit.
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