Rancang Bangun Alat Ukur Getaran Mesin Sepeda Motor Menggunakan Sensor Serat Optik
DOI:
https://doi.org/10.25077/jfu.6.3.270-276.2017Abstract
Telah dirancang alat ukur getaran mesin sepeda motor menggunakan sensor serat optik dengan metode ekstrinsik. Sensor serat optik digunakan untuk mengukur frekuensi getaran dengan memanfaatkan perubahan tegangan keluaran fotodioda OPT101. Sumber getaran berasal dari mesin sepeda motor yang divariasikan kecepatan speedometernya. Sistem pengukuran getaran mesin sepeda motor ini terdiri dari sumber cahaya berupa laser dioda, serat optik FD-620-10, fotodioda OPT 101, mikrokontroler Arduino Uno sebagai pemroses sinyal, dan LCD sebagai penampil hasil pengukuran. Berdasarkan data pengujian dan analisis yang telah dilakukan, diperoleh kesimpulan bahwa alat ukur getaran mesin sepeda motor memiliki keakuratan 90% dengan variasi kelajuan speedometer 0 km/jam – 20 km/jam.
Kata Kunci: frekuensi, getaran, laser dioda, serat optik
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Copyright (c) 2017 Nadia Yudia Putri, Harmadi Harmadi, Wildian Wildian
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