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Sutriyani Lapian
Universitas Diponegoro
Computer Science & IT

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Rancang Bangun Sistem Solar Tracker Dual Axis Dengan Mekanisme Pan-Tilt Untuk Meningkatkan Daya Keluaran Panel Surya Sutriyani Lapian; Saiful Manan
Gema Teknologi Vol 22, No 4 (2024): October 2023 - April 2024
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v22i4.90306

Abstract

This final project aims to design a two-axis solar tracking system with a pan-tilt mechanism. The system uses six light sensors (LDRs) and two servo motors to automatically adjust the position of the solar panel so that it remains perpendicular to the incoming sunlight. Four LDR sensors are used to move the servos horizontally, while the other two LDR sensors control vertical movement. To enhance directional sensitivity, each LDR sensor is enclosed in an 8-cm-long tube. The system uses an Arduino UNO microcontroller and is equipped with an RTC for time-stamping and an SD card module for data storage. System testing was conducted to evaluate sensor performance, servo motor movement, and solar panel power output. The test results showed that the system works well, with the LDR sensors and servo motors interacting effectively to track the sun’s movement, as demonstrated by the servo motors’ dynamic response to changes in light intensity. In terms of power, the system proved capable of optimizing energy absorption. Under sunny conditions, the maximum power generated reached 5.83 W. Although this did not reach the panel’s peak power specification (10 Wp), this difference was due to weather factors and less-than-ideal outdoor testing conditions.
Co-Authors Saiful Manan