Fire Site Map Construction Method Based on UWB Connectivity Fusion

In order to solve the problem that the fire command platform cannot obtain the internal map of the fire site in real-time, a fire site map construction method based on UWB connectivity fusion is proposed. Firstly, UWB positioning technology is used to obtain the indoor positioning information of firefighters, and the central axis of the positioning track of firefighters labels is extended by one meter to both sides as an open space. The map of indoor environment can be obtained after connectivity fusion calculation on the computer of fire command center. As multiple firefighters enter the fire site for rescue, the activity area of each firefighter gradually increases, and the more open communication space between them, the positioning map in the building will gradually become perfect. Finally, a simulation experiment is carried out in a laboratory. The experimental results show that the map error constructed by the proposed algorithm is less than 30%, which can help firefighters successfully complete the indoor rescue task and greatly improve the rescue efficiency of firefighters.