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All Journal IPTEK The Journal of Engineering Jurnal Teknologi dan Riset Terapan (JATRA) International Journal of Marine Engineering Innovation and Research Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam INTERNATIONAL JOURNAL OF MECHANICAL COMPUTATIONAL AND MANUFACTURING RESEARCH Journal of Applied Mechanical Technology (JAMET)
Danang Cahyagi
Politeknik Negeri Batam
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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Stability Analysis of Double Axis Retractable Solar Panel Mechanism for Harbour Tug Application Danang Cahyagi; Sapto Wiratno Satoto; Ihsan Musyary; Haris Susmana; Ranjit; Wanda Cantika Putri; Muhammad Regie
International Journal of Marine Engineering Innovation and Research Vol. 8 No. 2 (2023)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i2.5456

Abstract

Due to the use of fossil fuels in recent decades, maritime researchers and stakeholders have started to become concerned about energy efficiency and environmental protection. The larger social and economic facets of society may suffer as a result of these problems. In an effort to offer a remedy, this research created the B-Solar Wings, the double axis retractable solar panel mechanism design concept for harbor tug applications. B-Solar Wings was created using a variety of strategies to make the most of harbour tugs' constrained space for solar energy absorption while taking into account challenging ergonomic and safety concepts. B-Solar Wings can assemble 7 solar panel units for a total power of 3150 based on the design results. In order to assess the viability of stability brought on by the installation and use of solar panels, this study also offers a modeling analysis. The B-Solar Wings are stable in terms of stability, according to the results of the modeling and validation with the guidelines stated in IMO A. 749 (18). The minimum required value for one of the categories, code 3.1.2.1: Area 0 to 30, is 3.15 m.deg, and the harbour tug's stability value is 17.11 m.deg in the folded position and 17.10 m.deg in the full-open position. Solar energy produced by solar panels can be stored in a battery and integrated into the main distribution panel through multiple stages of voltage conversion and stabilization in the power system for B-Solar Wings.
Simulation of Solar Energy Harvesting on a 25-Meter Electric Passenger Ferry Danang Cahyagi; Naufal Abdurrahman; Jansen Anugrah Siregar; Floribertus Rio Ferdinand
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6427

Abstract

This study investigates the integration of a solar photovoltaic system on the passenger ferry E.V. Calestia operating along Manila’s Pasig River. The ferry, equipped with dual 400 kW electric motors and a battery bank of 1848 kWh, is supplemented by 20 solar panels installed on its top deck. Using a Simulink-based simulation model, the research estimates the power output and cumulative energy generation based on panel specifications, solar irradiance, and system efficiency. Results show a maximum instantaneous power output of approximately 3 kW during peak sunlight and a total weekly energy generation of around 150 kWh. These findings demonstrate the potential of solar power to enhance the ferry’s energy sustainability by reducing reliance on conventional charging and lowering emissions, thus promoting greener maritime transport solutions in urban river environments.
Implementasi Pelatihan CAD untuk Meningkatkan Kompetensi Dasar Drafter Konstruksi Kapal pada Siswa SMK di Kota Batam Muhammad Andi Nova; Danang Cahyagi; Mohamad Alif Dzulfiqar; Nidia Yuniarsih; Hendra Saputra; Benny Haddli Irawan; Rizky Pratama Hudhajanto; Sapto Wiratno Satoto; Nur Rafia Dija; Muhammad Irsyad Saihilmi; Ihsan Saputra; Veryawan Nanda Perkasa; Tiwi Gustria Ningsih; Yusuf Nurhuda
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol. 8 No. 1 (2026): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimaspolibatam.v8i1.12988

Abstract

The maritime industry generally recruits vocational graduates who possess specific skills, such as technical drawing and proficiency in Computer-Aided Design software. However, some vocational high school students still have limitations in industry-based drafter practice and the use of CAD software. This community service activity aims to improve the basic competencies of vocational high school students as ship construction technical drafters through structured CAD training. The activity was held at Politeknik Negeri Batam on 7–10 October 2025, involving 26 participants from SMKS Kartini Batam and SMKS Al Jabar Batam, consisting of students and accompanying teachers. The implementation methods included theoretical instruction, demonstrations, hands-on practice, simple industry-based case studies, and intensive mentoring. The training materials covered an introduction to ship construction, basic CAD usage, basic object creation, dynamic input, editing tools, orthographic drawing, dimensioning, templates, plotting, and an introduction to three-dimensional CAD. Evaluation was conducted through a pre-test, post-test, and participant satisfaction questionnaire. The results showed an improvement in participants’ understanding and basic skills in the field of ship construction drafting. Based on the questionnaire results, 95.8% of participants strongly agreed that the training materials were useful, 87.5% strongly agreed that the materials were relevant to their needs, and 87.5% strongly agreed that their knowledge and skills improved after participating in the training. Therefore, this training was effective in strengthening basic CAD-based drafting competencies and supporting vocational high school students’ readiness to meet the needs of the maritime industry.
Co-Authors Adhe Aryswan Adi Syahputra Purba Adimas, Adimas Al Fauzy, Faaza Ibnu Alwi, Abdullah Andaresta, Windy Annisa Fyona Baharudin, Budi Batubara, Ninda Hardina Butar, Hendra Butar Dedi Purnama Dzulfikar, Mohamad Alif Eddy Setyo Koenhardono, Eddy Setyo Faaza Ibnu Al Fauzy Fadillah, Muhammad Fedia Restu Ferari, Regita Ferdinand, Floribertus Rio Floribertus Rio Ferdinand Haris Susmana Hendra Saputra Hendra Saputra Ihsan Musyary Ihsan Saputra Irawan, Benny Haddli Ita Wijayanti Jansen Anugrah Siregar Kholilur Rahman, Kholilur Khollilurrahman, Kholillurrahman Leo Van Gunawan Manurung, Meilani Mandalena Marbun, Abri Andry Saresa Mohamad Alif Dzulfiqar Muhammad Andi Nova Muhammad Fadillah Muhammad Irsyad Saihilmi Muhammad Regie Naufal Abdurrahman Naufal Abdurrahman Prasetyo Nidia Yuniarsih Nur Fitria Pujo Leksonowati Nur Rafia Dija Nurman Pamungkas Nurmannsyah, Oxa Nurul Fadilah, Nurul Nurul Ulfah Oxa Nurmannsyah Purnama, Dedi Rahman Hakim Ramadhan, M. Noviriandi Rangga Saputra Ranjit Ranjit Ranjit Regita Ferari Rizky Pratama Hudhajanto Sapto Wiratno Satoto Saputra, Hendra Saputra, Rangga Siregar, Jansen Anugrah Sugeng Santoso Tian Havwini Tiwi Gustria Ningsih Veryawan Nanda Perkasa Wanda Cantika Putri Windy Stefani Yusuf Nurhuda