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All Journal International Journal of Applied Mathematics, Sciences, and Technology for National Defense
Dewi, Dinda Rahma
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Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Mathematics Physics

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Power and performance analysis of UUV motor systems with torpedo capabilities using to support the indonesian navy's maritime operations Aldhiantoro, Gustav Irgi; Pinardi, Kuntjoro; Kusumadjati, Adhi; Putri Abdul, Annisa Mutiara; Dewi, Dinda Rahma; Baarik, Moh. Hisni Alfan; Palupi, Endah Kinarya
International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 3, No 1 (2025): International Journal of Applied Mathematics, Sciences, and Technology for Natio
Publisher : FoundAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/app.sci.def.v3i1.651

Abstract

Unmanned Underwater Vehicles (UUVs) play a crucial role in modern naval operations, particularly in Intelligence, Surveillance, and Reconnaissance (ISR) and Anti-Submarine Warfare (ASW). Their stealth and long-range capabilities provide strategic advantages, yet extended missions pose significant challenges due to power limitations. This study proposes a novel approach to predicting and managing UUV battery capacity for missions lasting up to 30 days. Utilizing OpenModelica, we simulate various operational scenarios by modeling the Direct Current Permanent Magnet (DCPM) motor and its interaction with propulsion systems under different mission profiles including patrol, standby, and attack phases to estimate power consumption and optimize endurance. The results demonstrate key strategies for enhancing UUV autonomy and operational flexibility through advanced power management. These findings contribute to the development of more efficient UUV systems capable of prolonged underwater missions with minimal recharging.
Cadmium telluride (CdTe) thin-film photovoltaics: A sustainable energy solution to support national energy resilience Abdul, Annisa Mutiara Putri; Kusumadjati, Adhi; Aldhiantoro, Gustav Irgi; Dewi, Dinda Rahma; Baarik, Moh. Hisni Alfan; Anghel, Cornelia Victoria
International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 3, No 2 (2025): International Journal of Applied Mathematics, Sciences, and Technology for Natio
Publisher : FoundAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/app.sci.def.v3i2.831

Abstract

Cadmium Telluride (CdTe) is one of the most promising materials in thin-film solar cell technology; however, its application faces challenges related to efficiency limitations and environmental risks. This study aims to evaluate the performance characteristics, environmental impact, and sustainability potential of CdTe in Solar Power Plant, known in Indonesia as Pembangkit Listrik Tenaga Surya (PLTS) applications. A systematic literature review was conducted, analyzing more than 40 scientific articles and industrial reports published over the last 15 years, covering efficiency, material availability, recycling strategies, and lifecycle assessments. The results indicate that commercial CdTe modules achieve efficiencies between 7–10%, while laboratory devices exceed 22%. CdTe demonstrates superior performance under high temperatures and low-light conditions, but concerns remain regarding cadmium toxicity and the limited availability of tellurium. The study concludes that CdTe holds significant potential as a cost-effective and efficient solar technology, provided that robust recycling systems and responsible material sourcing practices are implemented.
Co-Authors Abdul, Annisa Mutiara Putri Aldhiantoro, Gustav Irgi Anghel, Cornelia Victoria Baarik, Moh. Hisni Alfan Kusumadjati, Adhi Palupi, Endah Kinarya Pinardi, Kuntjoro Putri Abdul, Annisa Mutiara