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All Journal Jurnal Teknik Transportasi Advance Sustainable Science, Engineering and Technology (ASSET)
Muhammad Fahmi Arsyad
Institut Transportasi dan Logistik Trisakti
Aerospace Engineering Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Pengaruh Perawatan Preventif Lifetime Baterai Lead Acid Untuk Persinyalan Kereta Api Listrik Al Fath Rizki Fajari; Muhammad Fahmi Arsyad; Ponco Hadi Prasteyo
Jurnal Teknik Transportasi Vol. 2 No. 1 (2023): May
Publisher : Fakultas Teknik Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jtt.v2i1.6

Abstract

Trains operate supported by many factors, one of which is signaling and telecommunications equipment. This equipment must get a continuous supply of electricity, so that train operations are safe and smooth. One way to protect the power supply is by installing a battery uninterrupted power supply (UPS), as a source of electrical energy storage as a backup. To keep the battery in optimal condition, 1 month, 3 months and 12 months preventive maintenance is carried out. Treatment 12 months, tested with the method coulomb counting with discharge against the battery up to 80% total wasted capacity, to get the value state of health battery. There are 54 batteries valve-regulated lead acid (VRLA) with a voltage of 2 V and a nominal capacity of 200 Ah, which is connected in series with the voltage cut off 1.85 V. The results of preventive maintenance are seen by testing discharge battery at station A, namely the SoH condition where all the batteries are above the value of 80%, while at station B there are 5 batteries with SoH values ​​of 78%, 80%, 58%, 74%, and 72%, so the batteries must be replaced at fifth batteries with SoH rating of 80% and below.
Analisis Perbandingan Sistem Persinyalan Konvensional Dengan CBTC Terhadap Headway Kereta Api Agra Aptana; Muhammad Fahmi Arsyad; Ponco Hadi Prasetyo
Jurnal Teknik Transportasi Vol. 2 No. 1 (2023): May
Publisher : Fakultas Teknik Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jtt.v2i1.7

Abstract

KRL Commuter Line and MRT Jakarta, serving urban population mobility with high transport capacity. The development of urban rail signaling, making the choice of signaling system application to headway be competitive. However, it is necessary to choose the right one, so this research is carried out, with the aim of knowing the effect of the signaling system on headway urban railways, by comparing conventional and CBTC signaling systems. This research method is quantitative and qualitative, using primary data from observation at MRT Jakarta, Gapeka KRLCommuter Line and Time Table MRT Jakarta, interviews with experts and passenger through techniques purposive sampling and based analysis coding. The results of research that CBTC uses moving block, make headway more stable. Headway Jakarta MRT 3 minutes, with 99.98% time liness and better than KRL Commuter Line. Factor affecting headway urban trains, namely crossing gates, number of facilities, length of traffic, number of stopping stations, dwelling time, signaling systems, and personnel.
Urban Expansion, Climate Vulnerability, and Transportation Resilience: Insights for Sustainable Development Achmad Muhyidin Arifai; Muhammad Fahmi Arsyad
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.1495

Abstract

Climate change poses a significant threat to transportation infrastructure, particularly in rapidly urbanizing regions like Bumi Serpong Damai (BSD) City, Indonesia, which faces increased risks of flooding and the urban heat island (UHI) phenomenon. However, limited research has assessed the combined impacts of climate and land use changes on infrastructure resilience. This study addresses this gap by integrating remote sensing analysis, climatological data, field observations, and stakeholder interviews to identify key vulnerabilities. The results highlight that low-lying and high-impermeability areas, such as the BSD highway and Central Business District (CBD), are highly susceptible to flooding and UHI effects. To enhance resilience, the study proposes structural, nature-based, and technology-driven adaptation strategies, including improved drainage, sponge city concepts, and IoT-based climate monitoring. These findings provide essential insights for urban planners and policymakers, emphasizing the need for climate-adaptive infrastructure planning and sustainable urban development policies.
Co-Authors Agra Aptana Al Fath Rizki Fajari Ponco Hadi Prasetyo Ponco Hadi Prasteyo