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All Journal IJEEIT : International Journal of Electrical Engineering and Information Technology Dinamika Bahari: Journal of Maritime Dynamic Jurnal Marine Inside Indonesian Journal of Nautical Study
nugroho, Anicitus agung
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Astronomy Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Transportation

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Valve Setting Using Fuzzy Logic Method To Control Main Engine Coolant Flow suharso, didik dwi; Syafi'i, Imam; nugroho, Anicitus agung
IJEEIT : International Journal of Electrical Engineering and Information Technology Vol 6 No 2 (2023): September 2023
Publisher : NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijeeit.v6i2.2533

Abstract

The main objective of this research is to improve the operating efficiency and performance of ship main engines by optimizing coolant flow. Improper coolant flow can cause excessive temperature rise in the engine, which in turn can reduce engine life and efficiency. In this research, the coolant flow control system is implemented using the fuzzy logic method. Fuzzy logic allows modeling that is more adaptive to parameter variations and uncertainties in the operational environment. Fuzzy rules are developed based on practical knowledge of experts and operational data related to the host machine. The test was carried out through a simulation using a water flow control circuit that supplies the coolant to the ship's main engine with the main components being an ESP32 microcontroller chip and three DS18B20 temperature sensors. The results of this research show that the use of fuzzy logic in regulating coolant flow is able to provide a faster and more accurate response to changes in engine operational conditions. This has the potential to increase cooling efficiency and prevent engine over-temperatures, which can ultimately increase the overall service life and performance of the host engine. The practical implications of the results of this research can be applied in the development of more intelligent and adaptive control systems for various types of host machines, with the potential to increase operating efficiency and reduce the risk of damage due to excessive temperatures
Cruise Ship Maneuvering with Azimuth Propeller: The Ship's Maneuvering Departed from Hobart Port, Australia Rofik, Mashudi; Arini, Asih; Nugroho, Anicitus Agung
Dinamika Bahari Vol 6 No 1 (2025): May 2025 Edition
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/db.v6i1.1053

Abstract

This study is based on the maneuvering process using an azimuth propeller when departing from Hobart Port, Australia, specifically on April 2, 2024. This research aims to discuss the factors influencing the success of maneuvering and optimizing cruise ship maneuvering with an azimuth propeller, particularly during departure from Hobart Port, Australia. The research method is qualitative with a descriptive approach. The data sources for this study were obtained from both primary and secondary sources, with several data points collected through direct observation during sea practice and direct interviews with officers on board. This study is also supported by documentation data and a literature review conducted during the research on MS Noordam. To ensure data validity, the researcher used the triangulation method. The findings indicate that internal factors, external factors, and operational approaches play a crucial role in maneuvering success. Specifically, the study identifies how optimal configurations of the azimuth propeller and bow thruster contribute to maneuvering efficiency, providing a more precise understanding of their role in improving maneuverability. This research advances current practice by demonstrating the significance of modern propulsion technology and timely decision-making by navigators in achieving successful maneuvering outcomes. The study offers valuable insights for enhancing cruise ship operations, particularly in challenging port environments like Hobart Port.
Analisis Keterlambatan Proses Bongkar Muatan High Sulfur Fuel Oil (HSFO) dan Low Sulfur Fuel Oil (LSFO) Secara Ship to Ship di MT. Cendrawasih Pangestu, Bayu Aji; Wibowo, Wahju; Sengadji, Karolus Geleuk; Nugroho, Anicitus Agung; Hariyanti, Retno; Rofik, Mashudi; Anggrahini, Wahyu Prasetya; Riyanto, Budi Cahyo; Purwanti, Purwanti; Suharto, Wakhid; Yuliani, Yuliani
Jurnal Navigsi Maritim Vol 1 No 2 (2024): August Edition
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/ijns.v1i2.566

Abstract

Abstrak: MT. Cendrawasih merupakan aset milik PT. Pertamina International Shipping. MT. Cendrawasih berfungsi khusus sebagai Mother Ship dalam pelaksanaan kegiatan ship-to-ship transfer. Kasus keterlambatan yang terjadi pada saat kegiatan ship-to-ship dengan SPOB Allvina 03 di OB Balikpapan telah menimbulkan konsekuensi serius, termasuk penerimaan Letter of Protest dari terminal karena melebihi estimasi waktu yang telah ditetapkan. Dampaknya, keterlambatan tersebut mengakibatkan gangguan pada jadwal penyandaran kapal lainnya di pelabuhan tersebut. Tujuan dari penelitian ini adalah untuk mengidentifikasi penyebab keterlambatan proses bongkar muatan. Penelitian ini menggunakan metode kualitatif yang berfokus pada analisis kerusakan pompa cargo sebagai penyebab utama dari keterlambatan tersebut.Riset lapangan dilakukan di kapal MT. Cendrawasih dengan melibatkan chief officer dan loading master sebagai informan utama guna mendapatkan pemahaman yang lebih mendalam terkait permasalahan ini. Hasil penelitian menyimpulkan bahwa keterlambatan yang terjadi disebabkan oleh tidak berfungsinya salah satu cargo pump. Sebagai solusi, penelitian ini menyarankan upaya penanggulangan melalui implementasi perawatan menyeluruh terhadap alat bongkar muatan, termasuk cargo pump, valve cargo, dan manifold. Jenis perawatan yang direkomendasikan mencakup Preventive Maintenance/Periodic Maintenance, Prediktif Maintenance, Corrective Maintenance, dan Breakdown Maintenance sesuai dengan pedoman perawatan kapal.
Optimalisasi Kinerja Fresh Water Generator untuk meningkatkan Produksi Air Tawar di atas Kapal Nawawi, Cholis Imam; Nugroho, Anicitus Agung; Febrilianto, Yohandio
Journal Marine Inside Vol 4. No. 1 (2022)
Publisher : Politeknik Pelayaran Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (170.252 KB) | DOI: 10.62391/ejmi.v4i1.42

Abstract

Penelitian ini merupakan penelitian kualitatif yaitu penelitian yang bertujuan untuk memecahkan masalah-masalah aktual yang dihadapi serta mengumpulkan data atau informasi untuk disusun, dijelaskan dan selanjutnya dianalisis. Permasalahan yang sering terjadi dalam freshwater generator yaitu ketidaklancaran aliran air tawar dan air laut pada masing-masing pipa, suhu air tawar dan air laut yang tidak sesuai sebelum dan sesudah melewati freshwater generator, dan pergerakan atau kotoran yang menempel pada permukaan plat-plat baik itu pada evaporator maupun kondensor yang timbul akibat terjadinya penguapan pada evaporator dan pengembunan yaitu pada kondensor. Hal tersebut berakibat pada tidak optimalnya kinerja freshwater generator, menurunnya kuantitas dan kualitas produksi air tawar yang mengganggu konsumsi kebutuhan air tawar di atas kapal. Berdasarkan hal tersebut faktor penyebabnya dapat berasal dari kevakuman yang tidak tercapai, adanya gangguan bagian evaporator dan bagian kondensor. Perlu dilakukan penanganan berkaitan dengan hal tersebut, maka penelitian dilakukan untuk mengoptimalkan kinerja freshwater generator. Berdasarkan hasil teori mengenai kinerja freshwater generator, agar jika suatu saat terjadi masalah kinerja freshwater generator dapat diatasi sesuai dengan pemecahan masalah yang akan diteliti pada penelitian ini. Maka penelitian ini diharapkan mampu memberikan solusi guna meningkatkan kuantitas dan kualitas produksi air tawar di atas kapal.
Co-Authors Anggrahini, Wahyu Prasetya Arini, Asih Cholis Imam Nawawi Febrilianto, Yohandio Hariyanti, Retno Pangestu, Bayu Aji PURWANTI PURWANTI Riyanto, Budi Cahyo Rofik, Mashudi Sengadji, Karolus Geleuk suharso, didik dwi Suharto, Wakhid Syafi'i, Imam Wahju Wibowo, Wahju Yuliani Yuliani