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WANG Fei. Accurate positioning system for mine based on UWB technology[J]. Safety in Coal Mines, 2021, 52(7): 99-102.
Citation: WANG Fei. Accurate positioning system for mine based on UWB technology[J]. Safety in Coal Mines, 2021, 52(7): 99-102.
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Accurate positioning system for mine based on UWB technology

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  • Published Date: July 19, 2021
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    • Abstract
  • This paper proposes a design scheme of mine precision positioning based on UWB technology. Firstly, the environmental characteristics of mine roadways are analyzed, and then the system networking model and UWB accurate positioning algorithm are studied. In order to improve concurrent capacity of the positioning accuracy, the time-slot resource scheduling algorithm is studied and the base station frequency band is reasonably divided, so as to avoid UWB wireless signal conflict. Base stations and cards are equipped with UWB and ZigBee multi-radio frequency technologies. UWB technology is used for TOF ranging. ZigBee technology is used to scan the network and apply for the ranging time slot resource. The test results show that the UWB accurate positioning error is less than or equal to ±0.3 m, the concurrent positioning capacity is up to 200, and the positioning distance is up to 400 m.
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    • References (12)
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