Emergency plan drilling system based on disaster digital twin

doi:10.16265/j.cnki.issn 1003-3033.2021.07.013

Abstract

Abstract: In order to improve drilling effect of emergency plans, digital twin technology and augmented reality technology were applied to study establishment method of disasters digital twin, and a new emergency plan drilling system was developed. Through unified data interface, space-based, sky-based, and ground-based remote sensing data and IoT data were continuously collected to construct the disaster digital twin, including geometric expression and physical characteristics. Furthermore, cooperative drilling network conference was created by using photon unity networking engine, disaster digital twin was superimposed in the real space with augmented reality devices, and functions like roam, 3D annotation and voice communication were realized by using gesture recognition mechanism and web real-time communications protocol. The results show that the system can visually and comprehensively reveal disaster situation through utilizing disaster digital twin, thus improving drilling effect of digital emergency plans.

Key words: disaster digital twin, emergency plan drilling system, augmented reality, photon networking engine, web real-time communication agreement

CLC Number:

X924.3

CHEN Chao, YAN Yan. Emergency plan drilling system based on disaster digital twin[J]. China Safety Science Journal, 2021, 31(7): 90-96.

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