COMPARISON OF EXPERIMENTAL DATA GLB AND GLBB USING ROBOTIC LINE FOLLOWER WITH MOTION THEORY

Hersi Rihadatulaisi; Afrizal Mayub; Sutarno Sutarno; Henny Johan; Arsela Eko Listiono

doi:10.59052/edufisika.v11i2.58955

Penulis

Hersi Rihadatulaisi Universitas Bengkulu, Indonesia
Afrizal Mayub Universitas Bengkulu, Indonesia
Sutarno Sutarno Universitas Bengkulu, Indonesia
Henny Johan Universitas Bengkulu, Indonesia
Arsela Eko Listiono Universitas Bengkulu, Indonesia

DOI:

https://doi.org/10.59052/edufisika.v11i2.58955

Kata Kunci:

Linear Motion, Line-following Robot, Physics Experiment

Abstrak

Penelitian ini bertujuan untuk mengetahui kesesuaian data hasil percobaan GLB dan GLBB berbantuan robot line follower dengan teori gerak lurus. Metode yang digunakan yaitu melakukan percobaan gerak lurus menggunakan robot line follower, membuat plot data hasil percobaan pada grafik kecepatan (v) terhadap waktu (t), kemudian membandingkan grafik tersebut dengan grafik kecepatan (v) terhadap waktu (t) secara teori. Percobaan dilakukan pada 3 jenis gerak yaitu Gerak Lurus Beraturan (GLB), Gerak Lurus Berubah Beraturan (GLBB) dipercepat, dan GLBB diperlambat. Percobaan GLBB (dipercepat dan diperlambat) dilakukan pada sudut elevasi 13˚, 10˚, 7˚, dan 4˚. Hasil penelitian menunjukkan bahwa penggunaan robot line follower dalam percobaan GLB dan GLBB diperlambat memiliki kesesuaian dengan konsep GLB dan GLBB dengan tingkat kesesuaian sangat sesuai untuk GLB (ditunjukkan oleh nilai rerata R²=1) dan tingkat kesesuaian sangat sesuai untuk GLBB diperlambat (ditunjukkan oleh nilai rerata R²= 0,8618), sehingga dapat digunakan dalam membantu proses pembelajaran. Adapun, pada percobaan GLBB dipercepat grafik v-t yang diperoleh berbading terbalik terhadap grafik v-t teori, yaitu robot tidak mengalami peningkatan kecepatan dan bahkan kecepatan yang dialami robot hampir tidak berubah. Berdasarkan hasil penelitian dapat disimpulkan bahwa data hasil percobaan GLB menggunakan robot line follower memiliki kesesuaian dengan teori gerak lurus dengan kategori sangat sesuai, sedangkan hasil percobaan GLBB diperlambat memiliki tingkat kesesuaian dengan kategori sangat sesuai pada sudut elevasi 10˚, 7˚, dan 4˚. Sementara itu, hasil percobaan GLBB dipercepat tidak memiliki kesesuaian dengan teori gerak lurus.

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