Abstract

The technology of personnel positioning in coal mine has important practical significance for coal mine safety production and information management. In this paper, the characteristics of the underground personnel positioning system in coal mine and the judging basis of the positioning system are summarized, and the advantages of UWB positioning technology are put forward by comparing the technical features of wireless communication technologies such as Wifi, Zigbee, WSN, RFID and UWB. Based on the analysis of the difficulties and influencing factors of personnel positioning technology in coal mine, the development status of UWB positioning technology in recent years and its application in personnel positioning in coal mine are summarized, this paper compares the technical characteristics of TOF, TOA and TDOA, three kinds of location methods commonly used in UWB location technology, and summarizes the technical status of the improvement and optimization of location algorithms in recent years, the purpose of this paper is to provide reference and direction for the development of personnel positioning technology and the application of UWB technology in coal mine.

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