Volume 50 Issue 7
Jul.  2024
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ZHENG Xuezhao, MA Yang, HUANG Yuan, et al. Research status and prospects of UWB radar life information recognition for mine rescue[J]. Journal of Mine Automation,2024,50(7):12-20.  doi: 10.13272/j.issn.1671-251x.2024060024
Citation: ZHENG Xuezhao, MA Yang, HUANG Yuan, et al. Research status and prospects of UWB radar life information recognition for mine rescue[J]. Journal of Mine Automation,2024,50(7):12-20.  doi: 10.13272/j.issn.1671-251x.2024060024

Research status and prospects of UWB radar life information recognition for mine rescue

doi: 10.13272/j.issn.1671-251x.2024060024
  • Received Date: 2024-06-07
  • Rev Recd Date: 2024-07-15
  • Available Online: 2024-07-30
  • Ultra-wide band (UWB) radar can penetrate non-magnetic media such as coal and rock to detect life information of personnel after collapse. Due to the complex mining environment, UWB radar loaded with vital sign signals is prone to interference from environmental noise and clutter signals. It is difficult to recognize human subject information. This paper introduces the principle of UWB radar life detection system and its application in mine rescue. This paper summarizes the current research status of UWB radar life information recognition from three aspects: UWB radar life information extraction, dynamic and static human object recognition, and life quantification. This paper points out the current issues with the application of UWB radar life detection technology in the field of mine rescue. ① There is limited research on filtering methods for non-stationary signals and environmental noise in underground collapse environments. ② The extraction and representation methods for posture, behavior, life status, and other information of moving (or micro moving) objects need to be improved. The human life information recognition model is not yet perfect and the feature correlation between models is low. ③ There is a lack of solutions to the "overlapping" problem caused by multiple objects. This paper proposes the prospects for the research direction of UWB radar life information recognition for mine rescue. ① It is suggested to continuously optimize noise and clutter adaptive filtering methods for multiple types of mine disaster environments. ② It is suggested to construct a human life information recognition model suitable for the field of mine rescue. ③ It is suggested to further improve the quantification capability of multi-object after mine shelter. ④ It is suggested to conduct depth exploration of the method for determining the optimal detection frequency band for UWB radar.

     

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