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All Journal ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Turbo : Jurnal Program Studi Teknik Mesin
MOHAMMAD YAZID DIRATAMA
Politeknik Manufaktur Bandung
Electrical & Electronics Engineering Engineering Mechanical Engineering

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Design and Construction of 100 WP Capacity Tracker Solar Panel using VDI 2206 Method HERMAN BUDI HARJA; MOHAMMAD YAZID DIRATAMA; FITRIA SURYATINI; MUHAMMAD FATURROHMAN; PRADIKA NOVIANDANI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 13, No 3: Published July 2025
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v13i3.243

Abstract

There are main issues in optimizing the energy conversion of solar panels, including (1) the movement of the sun's position and (ii) the best capability of solar panels to capture sunlight, which must be perpendicular to the sun's rays. The objective of this research is to conduct a study into the design and development of a solar panel tracking system, specifically to obtain the effectiveness value of the tracking system. The VDI 2206 method is used in the design, which integrates three main systems: mechanical, electronic, and information technology. Based on the test results, the performance of the solar panel tracker increased by 48.38%. With a tracking system power requirement of 5.51%, the percentage increase in the net energy gain of the tracker solar panel is 40.2% compared to static solar panels. Therefore, solar panel systems equipped with tracking devices are more effective and efficient compared to static solar panels.
Reverese Engineering Burnishing Tool Untuk Proses Finishing Kekasaran Permukaan Pada Mesin Milling Konvensional Thopo Antonius Adi Soetopo; Mohammad Yazid Diratama; Andri Suhendri .; Ahmad Fauzi .
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4605

Abstract

The advancement of the manufacturing industry demands improved surface quality for components produced by conventional milling processes. Typically, grinding is required to achieve surface roughness levels up to N4; however, this process involves significant machine investment and high operational costs. This study presents the design of a burnishing tool as a finishing aid that can be mounted directly onto a conventional milling machine spindle without the need for additional equipment. The tool was developed using the systematic design methodology VDI 2222 and a manufacturing plan involving turning, milling, and grinding of the tool components. Test specimens made of ST37 and S45C steel were initially milled to a surface roughness (Ra) of 2.6–5.7 µm, then burnished using a feed depth of 0.5 mm and spring deflection ranging from 0 to 1.5 mm. The experimental results showed a significant reduction in Ra, reaching as low as 0.16 µm for ST37 and 0.17 µm for S45C. These findings demonstrate the effectiveness of the burnishing tool in enhancing surface finish efficiently and economically using conventional milling machines.
Co-Authors Ahmad Fauzi . Andri Suhendri . Fitria Suryatini Herman Budi Harja MUHAMMAD FATURROHMAN PRADIKA NOVIANDANI Thopo Antonius Adi Soetopo