Zichen Kuang
ABSTRACT
This paper takes the problems of long recovery period, difficult recovery, and untimely reporting of children as the research background after being lost or abducted. The project team designed a wearable intelligent passive positioning and tracking system based on BeiDou technology. Its working principle is to convert kinetic energy and electric energy through a self-generating system based on electromagnetic induction to ensure the timing operation of the terminal BeiDou module. The built-in BeiDou module and BeiDou satellites conduct regular communication to determine the latitude and longitude position and time information of the wearer, and send the latitude and longitude information. It is unpacked to the terminal, and finally sent to the user terminal to display the location and time of the wearer in an image. If the wearer's positioning information is abnormal, the position has not changed for a long time, or the positioning information exceeds the daily action range, the system will automatically alarm on the user side. Passive positioning and tracking systems have a wide range of applications, especially for the positioning of moving objects.
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