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http://dx.doi.org/10.6109/jkiice.2022.26.3.449

Object Position Measuring System using Trilateration Method based on Illuminance of LED  

Sagong, Byung-Il (Department of Intelligent Robot Eng., Pukyong National University)
Kim, Nam-Ho (School of Electrical Engineering, Pukyong National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.26, no.3, 2022 , pp. 449-455 More about this Journal
Abstract
In this paper, we propose a position measuring system using trilateration based on the illuminance of a light-emitting diode (LED). Three LEDs are located on the ceiling of the virtual space, and each fixed coordinate is inputted to the monitoring program, and Length to the illuminance sensor is drawn through the relational expression of the length and illuminance value from the respective LED. Based on the derived length, the trilateration method is used to find object location information in virtual space. By using the least square equation to minimize the error of the length drawn to trilateration, the error is reduced to the utmost. Unlike the existing indoor positioning system using visible light communication (VLC), the proposed system does not require synchronization between the transmitter and the receiver, so the system can be configured simply.
Keywords
LED; VLC; Trilateration; Least square method; Position measuring system;
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Times Cited By KSCI : 5  (Citation Analysis)
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