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All Journal Eksakta : Berkala Ilmiah Bidang MIPA Mengabdi: Jurnal Hasil Kegiatan Bersama Masyarakat The Indonesian Journal of Computer Science
Mohammad Abdullah
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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Program Pelatihan Operasional Kapal Speedboat Fiberglass Untuk Operator Kapal Tradisional Sampang-Gili Mandangin Dalam Rangka Mendukung Perkembangan Kapal Berbahan Fiberglass Di Pulau Madura Taufan Prasetyo; Misbakhul Fatah; M. Musta’in; Aurista Miftahatul Ilmah; Desta Rifky Aldara; Fadlilatin Nailah; Mohammad Abdullah; Muhammad Arus Samudro; Astri Rino Okvitasari; Abd. Munif
MENGABDI : Jurnal Hasil Kegiatan Bersama Masyarakat Vol. 1 No. 6 (2023): Desember : MENGABDI : Jurnal Hasil Kegiatan Bersama Masyarakat
Publisher : Asosiasi Riset Ekonomi dan Akuntansi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mengabdi.v1i6.246

Abstract

Mandangin Island is one of the islands in Sampang Regency which has an area of 1650 km 2 with a population of around 3000 people. Most of the people on this island, the majority of whom work as fishermen, generally travel around 12.2 km to Sampang City to buy daily necessities by boarding traditional wooden boats at the Tanglok Sampang port. According to information conveyed by the Head of the Sampang Regency Transportation Service, most or almost all of the passenger ships that dock at Tanglok Port are traditional wooden ships whose actual function is to transport goods, not passengers, which are quite old. The Transportation Department considers the existing ships to be less safe and comfortable and therefore require refreshing. Besides that, wood as the main material in nature is decreasing in quantity so the price is increasingly expensive. The method implemented in this community service is to carry out a fiber glass boat operational training program for traditional boat operators. With this activity, it is hoped that the continued use of fiber glass boats can begin to be used and reduce the use of wooden boats which are relatively more expensive.
Design of Mechanics and Locomotion System For Box Culverts Inspection Robot Anwar, Khoirul; Juliarsyah, Mohammad Rizanto; Pungkiarto, Irwanda Yuni; Mohammad Abdullah
The Indonesian Journal of Computer Science Vol. 14 No. 3 (2025): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i3.4907

Abstract

In Indonesia there is often a flood caused by continuous heavy rain, based on the observation of the condition of the culprit is the cause of flooding in Indonesia. One of the problems owned by the public Works office today is the presence of Dutch-made sewers with concrete materials that have a depth of 6 meters below the surface so that the workers are hard to reach. The following problems need to be developed a technology that does not require human presence to directly monitor the circumstances that occur in the drain pipes (sewers) by using a mobile robot to perform monitoring. The result of this study obtained output in the form of a mobile robot that can work in various terrain, and to get a good response in the control system used Ziegler-Nichols for Tunning.
Optimizing Copper-Aluminum Photovoltaic Cells with Sodium Chloride Gel Electrolyte Under Neon Lamp Ilumination: A Comprehensive Review Chandra, Dhea Nurfadilla; Mohammad Abdullah; Adhan Efendi; Ilham Saputra
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 26 No. 03 (2025): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol26-iss03/582

Abstract

Photovoltaic cells are devices capable of converting light energy into electrical energy through the photovoltaic effect, where absorbed photons in semiconductor materials generate an electric current. Ideally, photovoltaic cells should offer high efficiency, long-term stability, and low production costs under various lighting conditions. In reality, most conventional photovoltaic technologies, such as crystalline silicon, still suffer from high production costs and performance degradation, especially under long-term exposure and high humidity. As an alternative, copper-aluminum (Cu-Al) based photovoltaic cells with sodium chloride (NaCl) gel electrolyte have been developed, providing reasonable energy conversion efficiency, low material costs, and simple fabrication. The NaCl gel enhances ionic conductivity and system stability, while calcination of Cu into CuO improves the semiconductor properties of the active layer. The urgency of this research lies in the need for renewable energy systems that are affordable, easy to produce, and durable, particularly for remote areas or off-grid applications. Therefore, this article aims to provide a comprehensive review of the optimization of Cu-Al photovoltaic cells with NaCl gel electrolyte under neon lamp illumination, highlighting technical challenges, performance enhancement mechanisms, and future development prospects. This article includes references from publications between 2019 and 2025.
Co-Authors Abd. Munif Astri Rino Okvitasari Aurista Miftahatul Ilmah Chandra, Dhea Nurfadilla Desta Rifky Aldara Efendi, Adhan Fadlilatin Nailah Ilham Saputra Juliarsyah, Mohammad Rizanto Khoirul Anwar M. Musta’in Misbakhul Fatah Muhammad Arus Samudro Pungkiarto, Irwanda Yuni Taufan Prasetyo