China Safety Science Journal ›› 2023, Vol. 33 ›› Issue (1): 80-87.doi: 10.16265/j.cnki.issn1003-3033.2023.01.2359

• Safety engineering technology • Previous Articles     Next Articles

Information transmission analysis of forest fire emergency command based on information entropy

LI Hua1(), GUO Haojie1,2, XIE Hui3, LIN Peng3   

  1. 1 School of Resource Engineering, Xi'an University of Architecture and Technology, Xi'an Shaanxi 710055, China
    2 TBEA Sunoasis Co., Ltd., Xi'an Shaanxi 710061, China
    3 Emergency Command Center, Emergency Management Department of Shaanxi Province, Xi'an Shaanxi 710018, China
  • Received:2022-08-20 Revised:2022-11-10 Online:2023-01-28 Published:2023-07-28

Abstract:

In order to improve the coordination ability of forest fire emergency command and analyze the logical influence between elements of the command process, the article first clarified the chain of proximate causes of accidents, identified the relevant control components, and built a forest fire emergency command and control structure based on STAMP model. According to the complex network theory, this article established a powerless network for forest fire emergency command information flow and a model to determine the information quantity of real-time, phase and fixed information, by which information entropy was determined. A side-load weight calculation model was established for describing the importance of different information delivery paths. The results show that the front headquarters is the most important in the firefighting process of emergency command, and the information transmission between the front headquarters and the joint headquarters is the most intensive. The information total quantity and information entropies between fire extinguishing group and professional fire extinguishing team are maximum, which are 24 and 3.900 respectively. Accuracy of personnel deployment must be ensured in command. Expert judgment and meteorological information will affect the command decision-making of fire extinguishing process to a certain extent. The information transmission path of expert judgment and meteorological monitoring should be monitored to ensure the smooth transmission.

Key words: information entropy, forest fires, emergency command, information transfer, systems-theoretic accident model and process (STAMP)