Underground personnel positioning system and method based on radio frequency identification technology
A radio frequency identification technology and personnel positioning technology, which is applied in the radio frequency communication positioning system and algorithm, and the system field of determining the position of underground personnel, can solve the problems of small measurement range, poor robustness, and low measurement accuracy, and achieve high accuracy and structure Reasonable and robust effect
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[0029] exist figure 1 In the shown embodiment, the system of the present invention installs and fixes at least three mining intrinsically safe tag readers (1) at coordinate points set in advance in the underground roadway (6), and the three tag readers (1) are one Measuring points, in actual engineering, the number of tag readers (1) can be increased according to the need for accuracy; the tag readers (1) are placed in a metal protective shell, and the linear distance between each tag reader is kept at 3 meters or more. The electronic tag (2) is built in the safety helmet worn by the underground personnel (4), and the power supply device is powered by a portable rechargeable battery of a miner's lamp. The detonator blasting network (5) used for blasting in the roadway is unevenly distributed around the tag reader (1) and underground personnel (4), and part of the electromagnetic energy will be absorbed and lost when the communication electromagnetic wave is transmitted to the...
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