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All Journal Bulletin of Community Engagement Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Teknik Mesin, Industri, Elektro dan Informatika Asian Journal Science and Engineering Jurnal Penelitian Rumpun Ilmu Teknik Jurnal Ilmiah Teknik Informatika dan Komunikasi Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Journal of Engineering Science and Technology Management Jurnal 7 Samudra Politeknik Pelayaran Surabaya Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Antonius Edy Kristiyono
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Religion Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation Other

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Rancang Bangun Sistem Boiler untuk Pemanas Bahan MFO 180 CST Berbasis IoT Ady Wijaya; Antonius Edy Kristiyono; Henna Nurdiansari
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4652

Abstract

Research aims to design and develop a boiler system for heating Marine Fuel Oil (MFO) 180 CST by integrating Internet of Things (IoT) technology to enhance efficiency and operational monitoring. The methods used include boiler system design, selection of types and materials according to international standards, and the implementation of an optimal combustion system. IoT sensors are strategically placed to monitor key parameters such as temperature, pressure, and fluid flow in real-time. The collected data is transmitted to a cloud platform, enabling remote monitoring and automated performance analysis through a web or mobile-based application.. The research results indicate that IoT integration in the boiler system improves fuel heating efficiency, optimizes energy consumption, and facilitates easier monitoring and process control. Testing includes pressure tests, combustion efficiency, steam capacity, and material durability, with real-time monitoring to support performance analysis and early problem detection. Operational data evaluation allows for design adjustments or system settings to further enhance energy efficiency. With this innovation, the boiler system can operate more optimally, support energy efficiency, and facilitate predictive maintenance for sustainable industrial operations. The implementation of IoT in this system is expected to improve safety, effectiveness, and automation in boiler management, making it a more reliable and modern solution.
Rancang Bangun Sistem Presisi Manuvering pada Pergerakan Kapal Muhamad Ghali Pw Carwito; Antonius Edy Kristiyono; Henna Nurdiansari
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.5956

Abstract

In recent decades, the use of unmanned vehicles (UV) has increased significantly. Unmanned ship operations involve various technical challenges that require sophisticated solutions. Dynamic marine environments, including strong currents, high waves, and extreme weather conditions, can affect ship performance to maintain stability and steer the ship properly, a precise and responsive control system is essential. Small errors in maneuvering can result in high risks, such as damage to the ship or loss of cargo, as well as potential danger to other ships or the environment. The purpose of this study is to design and build a servo motor control system for maneuvering systems on ships and to determine whether servo motors can control maneuvering systems on unmanned ships. The results of this study indicate that the servo motor control system in this study can work automatically or manually. In automatic mode, the motor angle can be set via the application. The ship will stop when the angle matches the settings in the application, based on data from the compass sensor. This sensor ensures that the direction of the ship's movement is accurate by providing a signal when the angle set matches the compass angle. The angle that has been determined when maneuvering the ship's automatic movement system is not accurate, due to currents, water waves and wind that make the ship move or change position by itself.
Rancang Bangun Sistem Kontrol Tekanan Hydrophore Tank Berbasis IoT Andy Dwi Ardiyanto; Antonius Edy Kristiyono; Akhmad Kasan Gupron
Jurnal Ilmiah Teknik Informatika dan Komunikasi Vol. 5 No. 3 (2025): November: Jurnal Ilmiah Teknik Informatika dan Komunikasi 
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juitik.v5i3.1545

Abstract

Fresh water is one of the essential needs in ship operations, used for daily needs such as cooking, bathing, and washing, as well as supporting the function of equipment in the engine room. Fresh water distribution on ships is generally carried out using hydrophore tanks, which are pressurized tanks that utilize compressed air to distribute water throughout the system. However, in practice, hydrophore tanks often face problems in the pressure system due to reduced air volume, which can disrupt the smooth distribution of fresh water and reduce the ship's work efficiency. To address these problems, this study uses the Research and Development (R&D) method by designing an Internet of Things (loT)-based control and monitoring system. The system is designed through the integration of pressure sensors, water level sensors, ESP32 microcontrollers, solenoid valves, and buzzers. Testing is carried out in stages through static tests, dynamic tests, and actual integrated testing to ensure system reliability. The test results show that the system is able to monitor air pressure and water level in real-time, as well as control solenoid valves and pumps automatically when the pressure is below the minimum limit or exceeds the maximum threshold. Sensor data was successfully transmitted via WiFi to a web server and Android app, allowing ship operators to perform remote monitoring and receive notifications when overpressure or underpressure occurs. Thus, this loT-based hydrophore pressure control system has proven effective in maintaining pressure stability and improving the efficiency of freshwater distribution on board ships. This system also has the potential to be further developed by adding a cloud-based data storage feature for more comprehensive long-term pressure trend analysis.
Rancang Bangun Sistem Proteksi Otomatis pada Generator Turbin Gas dari Arus Berlebih dan Drop Tegangan Guna Meningkatkan Keandalan Operasional I Made Dody Permana; Antonius Edy Kristiyono; Achmad Dhany Fachrudin
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.8258

Abstract

Gas turbine generators play an important role in providing electrical energy, especially in the maritime sector, but they are vulnerable to disturbances such as overcurrent and undervoltage, which can cause equipment damage. This study aims to design and test an automatic protection system based on the ESP32 microcontroller with the INA219 sensor to detect current and voltage, as well as a relay as a circuit breaker. The method used is an experimental approach including static and dynamic testing, both with and without a 5W AC lamp load as a simulation of real loading conditions. Test results show that the average sensor reading error is 2.65% for current and 1.76% for voltage, which is still within the ±3% tolerance limit. The system is able to disconnect the load when any parameter exceeds the protection threshold, although there are slight inconsistencies in the relay response due to sensor reading fluctuations. In conclusion, this automatic protection system is proven to be 85% accurate and responsive in maintaining the operational reliability of the gas turbine generator, making it applicable as a preventive solution against electrical disturbances in marine environments.
Pengaruh Kerusakan Mechanical Seal terhadap Kinerja Hidraulik Steering Gear di Kapal AHTS Logindo Stamina Ibnu Septian, Wahyu; Antonius Edy Kristiyono; Prima Yudha Yudianto; Agus Prawoto; Wulan Marlia Sandi
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 2 (2026): Agustus: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i2.8767

Abstract

The steering gear is a vital component in ship operations, functioning to control the ship’s direction accurately. The reliability of this system highly depends on the performance of the hydraulic system, where the mechanical seal plays a key role in maintaining system pressure and preventing oil leakage. This study aims to identify the main factors causing mechanical seal damage and analyze its impact on the performance efficiency of the steering gear AHTS Logindo Stamina. Qualitative data were obtained through participatory observation and in-depth interviews with the second engineer. Meanwhile, quantitative data were gathered by measuring technical parameters such as oil pressure, operating temperature, and rudder movement time, which were then compared with SOLAS standards. This damage results in oil leakage through the mechanical seal gap, abnormal noise in the hydraulic system, and a significant decrease in working pressure of -25,86%. The operational impacts include the occurrence of steering gear failure alarms, decreased hydraulic efficiency of 25.87%, and the risk of system failure that could endanger ship maneuverability. This study recommends preventive maintenance through oil quality monitoring, environmental condition control in the steering gear room, and periodic mechanical seal replacement in accordance with operational standards to maintaining optimal steering system performance.
Pengaruh Tingginya Temperatur Minyak Lumas terhadap Kinerja Mesin Diesel Generator di Kapal Moh Ghufron Muhtadi; Eko Prayitno; Kuntoro Bayu Ajie; Antonius Edy Kristiyono; Novitasari Novitasari
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 2 (2026): Agustus: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i2.9159

Abstract

This study was conducted based on the crucial role of diesel generator engines as the primary source of electrical power on board ships, making their operational reliability essential. One of the factors influencing generator engine performance is lubricating oil temperature. Excessive lubricating oil temperature may reduce lubrication effectiveness, increase friction between moving components, and lower engine efficiency. Therefore, this research aimed to identify the causes of high lubricating oil temperature in diesel generator engines and determine appropriate corrective actions. The study employed a descriptive quantitative approach. Data were collected through direct observation, interviews, and documentation during sea practice aboard MV. CL FLANDERS from 4 July 2024 to 5 July 2025. The data were analyzed using simple linear regression to examine the relationship between generator load and lubricating oil temperature. The findings revealed that generator load had a significant effect on the increase in lubricating oil temperature. Under normal operating conditions, the lubricating oil temperature ranged from 60°C to 72°C, while under abnormal conditions it increased to between 68°C and 81°C. The abnormal rise in temperature was mainly caused by cooling system problems, particularly a dirty LO cooler, scale deposits on the sea water pump impeller, and blockage in the cooling capillary pipes. The regression equation under normal conditions was Y = 45 + 0.30X, whereas under abnormal conditions it was Y = 53.5 + 0.30X. Elevated lubricating oil temperature resulted in lower oil viscosity, higher fuel consumption, and reduced diesel generator engine performance. Therefore, regular maintenance of the LO cooler, sea water pump, and continuous temperature monitoring are necessary to maintain optimum engine performance.
Analysis of Electrical Voltage Instability Causes in Auxiliary Engine No. 2 Aboard MV. HANGLIMA Bima Nurrahma; Antonius Edy Kristiyono; Agus Prawoto; Shofa Dai Robbi; Sri Mulyanto
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): JES-TM 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i2.410

Abstract

This study investigates the factors contributing to electrical voltage instability in Auxiliary Engine No. 2 aboard MV. Hanglima. The research was motivated by operational disruptions where the voltage output dropped significantly from the standard 440V to 290V, leading to blackouts when the generator operated independently. Employing a qualitative research method utilizing the Fishbone (Ishikawa) diagram for root cause analysis, data was collected through onboard observation, documentation, and interviews with the engineering crew. The analysis revealed that the instability was primarily caused by mechanical failure in the alternator bearings, which had approached their operational limit, leading to an unbalanced rotor rotation. This mechanical imbalance caused friction between the rotor and stator, resulting in insulation leakage (short circuits) within the windings. Corrective measures implemented included a comprehensive overhaul, re-insulating the rotor and stator windings using insulating varnish, and replacing the worn bearings. These actions successfully restored the voltage output to a stable 445V, ensuring the safety and efficiency of the vessel's electrical system.
Analysis of the Causes of High Internal Temperature in the TMC Type-54EWNA Control Air Compressor on MV Pan Africa Nazha Madeza Bakri; Abdi Seno; Dirhamsyah; Antonius Edy Kristiyono; Teguh Pribadi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): JES-TM 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i2.415

Abstract

The control air compressor is one of the important auxiliary machines in the compressed air system on board a ship, which functions to supply air for both manual and automatic pneumatic control systems. One of the problems that frequently occurs in this equipment is an increase in internal temperature (high internal temperature) in the Control Air Compressor TMC Type 54-EWNA, which can reduce compressor performance and increase the risk of damage and operational disturbances. This study aims to analyze the causes of high internal temperature in the control air compressor and to determine appropriate corrective and preventive measures. The methods used in this study include direct observation, interviews, and documentation, as well as analysis using the Fishbone analysis method. The results of the analysis indicate that the main causes of increased internal temperature include suboptimal cooling system performance, deterioration of lubrication quality, inconsistent implementation of the Planned Maintenance System (PMS), as well as the influence of environmental conditions and materials experiencing corrosion. The root cause identified is a lack of supervision and irregularity in maintenance implementation. The recommended efforts to address these problems include optimizing the cooling system, using and replacing oil, filters, and coolers according to specifications, carrying out periodic maintenance in accordance with the PMS and manual book, and improving monitoring of compressor operating parameters. By implementing these measures, it is expected that the compressor’s internal temperature can be controlled, compression pressure remains optimal, and the reliability and safety of the ship’s compressed air system can be maintained.
Co-Authors Abdi Seno Ady Wijaya Agus Prawoto Akhmad Kasan Gupron Andhika Bintang Narottama Andy Dwi Ardiyanto Ardhiana Puspitacandri Aziz Nugroho Bima Nurrahma Dhany Fachrudin, Achmad Dirhamsyah Eddi Eddi Eko Prayitno Hadi Setiawan Hariyono Hariyono I Made Dody Permana I Putu Genta Maha Permana Wiratmo Ibnu Septian, Wahyu Ihsanul Muqorrobin Imam Sutrisno Ivana Wika Aprilia Kuntoro Bayu Ajie Marshelino Chandra Suhartono Moh Ghufron Muhtadi Muchammad Muzammil Arrozak Muhamad Ghali Pw Carwito Nazha Madeza Bakri Novitasari Novitasari Nurdiansari, Henna Petrisia Widyasari Sudarmadji Pramudito Herlambang Prihastono Prihastono Prima Yudha Yudianto Rinanto, Noorman Saiful Irfan Shofa Dai Robbi Sonhaji *), Ferra Ika Wardani Solechan Sri Mulyanto Teguh Pribadi Trisnowati Rahayu Wisnu Bachtiar Fanani Wulan Marlia Sandi