Patents by Inventor Xiangzhi ZHANG

Xiangzhi ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Intelligent evacuation system and method used in subway station fire
    Patent number: 11373492
    Abstract: The invention relates to an intelligent evacuation system and method used in a subway station fire. A fire alarm module discovers a fire and transmits fire information, a fire source positioning module positions a fire source according to the collected picture information and smoke information of the fire, an indoor pedestrian positioning module positions pedestrians in a subway station; a relay control module is connected with the fire alarm module, the fire source positioning module and the indoor pedestrian positioning module, and the relay control module combines fire information, fire source positioning information and pedestrian positioning information; and a master control module is connected with the relay control module, and the master control module plans a dynamic escape route for each pedestrian according to the combined information, pedestrian information collected by a subway APP and pedestrian information collected by a map management system, and generates an escape route guide map.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: June 28, 2022
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhaohui Liu, Chao Wang, Runze Song, Junbo Wang, Zhifa Yang, Youqi Wang, Xiangzhi Zhang
  • INTELLIGENT EVACUATION SYSTEM AND METHOD USED IN SUBWAY STATION FIRE
    Publication number: 20210201634
    Abstract: The invention relates to an intelligent evacuation system and method used in a subway station fire. A fire alarm module discovers a fire and transmits fire information, a fire source positioning module positions a fire source according to the collected picture information and smoke information of the fire, an indoor pedestrian positioning module positions pedestrians in a subway station; a relay control module is connected with the fire alarm module, the fire source positioning module and the indoor pedestrian positioning module, and the relay control module combines fire information, fire source positioning information and pedestrian positioning information; and a master control module is connected with the relay control module, and the master control module plans a dynamic escape route for each pedestrian according to the combined information, pedestrian information collected by a subway APP and pedestrian information collected by a map management system, and generates an escape route guide map.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Zhaohui LIU, Chao WANG, Runze SONG, Junbo WANG, Zhifa YANG, Youqi WANG, Xiangzhi ZHANG