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All Journal Bulletin of Community Engagement Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Asian Journal Science and Engineering 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
Antonius Edy Kristiyono
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Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Mechanical Engineering Social Sciences Transportation Other

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ANALISIS PERSEPSI INDUSTRI PELAYARAN TERHADAP KOMPETENSI LULUSAN PROGRAM DIKLAT ELECTRO TECHNICAL OFFICER DI POLITEKNIK PELAYARAN SURABAYA Hariyono Hariyono; Antonius Edy Kristiyono; Saiful Irfan
Jurnal 7 Samudra Vol. 2 No. 1 (2017): Jurnal 7 Samudra
Publisher : PPPM - POLITEKNIK PELAYARAN SURABAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54992/7samudra.v2i1.10

Abstract

Dalam pelaksanaan penelitian ini tujan yang akan dicapai adalah mendapatkan data empiris tentang persepsi industry pelayaran nasional terhadap kompetensi diklat Electro Technical Officer (ETO). Dalam penelitian ini variabel yang akan diteliti adalah persepsi konsumen tentang variabel kompetensi lulusan Diklat Electro Technical Officer (ETO). Variabel ini terdiri dari lima subvariabel: a). Fungsi I yaitu kelistrikan, elektronika dan teknik kontrol ada level pelaksana (electrical, electronic and control engineering at the operation level) b. Fungsi II yaitu perawatan dan perbaikan pada level pelaksana (maintainance and repair at the operation level) c. Fungsi III yaitu pengendalian kapal dan kepedulian terhdap personel yang ada di kapal (Controlling the Operation of the Ship and Care for Persons on Board at the Operational Level. Dari hasil perhitungan dan pembahasan maka hasil penelitian dapat disimpulkan bahwa : 1) Persepsi perusahaan pelayaran terhadap fungsi I ETO dapat disimpulkan bahwa 28,57% sangat setuju, 65,75% setuju dan sisanya 5,71% kurang setuju terhadap kompetensi fungsi I ETO terhadap pengoperasian kapal-kapal mereka. 2) Persepsi perusahaan pelayaran terhadap fungsi II ETO dapat disimpulkan bahwa 36% sangat setuju, 58% setuju dan sisanya 6% kurang setuju terhadap kompetensi fungsi II ETO terhadap pengoperasian kapal-kapal mereka. Persepsi perusahaan pelayaran terhadap fungsi III ETO dapat disimpulkan bahwa 63,33% sangat setuju dan 36,66% setuju terhadap kompetensi fungsi III ETO terhadap pengoperasian kapal- kapal mereka
Peningkatan Minat Siswa terhadap Teknologi Kelautan melalui Demonstrasi Robot Bawah Air Noorman Rinanto; Imam Sutrisno; Petrisia Widyasari Sudarmadji; Antonius Edy Kristiyono
Bulletin of Community Engagement Vol. 4 No. 2 (2024): Bulletin of Community Engagement
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bce.v4i2.1456

Abstract

This research examines the effectiveness of using underwater robot demonstrations as a learning medium to increase students' interest in marine technology. The research was conducted using a quasi-experimental method on MAN 2 Madiun students. The experimental group took part in the underwater robot demonstration, while the control group did not. The results showed that students in the experimental group experienced a significant increase in interest in marine technology compared to the control group. These findings suggest that live demonstrations are an effective method for increasing students' interest in complex topics such as marine technology. underwater robot demonstrations have a significant influence in increasing students' interest in marine technology. Students who took part in the demonstration experienced a much greater increase in interest compared to the control group who did not receive similar treatment.  
Rancang Bangun Monitoring Kontrol Kecepatan Putar Motor Induksi 3 Fasa Berbasis IoT Wisnu Bachtiar Fanani; Antonius Edy Kristiyono; Hadi Setiawan
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 4 No. 1 (2025): Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v4i1.3175

Abstract

Along with the development of the industrial sector, companies are competing to create quality and affordable products. To support production, automation tools have emerged that help the production process so that it is faster. One of the machines that is widely used by large factories is a 3-phase induction motor. 3-phase induction motors are often used in driving equipment in industry because they have a simple construction, are relatively cheap, lightweight, have high efficiency, and are easy to maintain. This study utilizes the A3114 hall effect sensor device, PZEM-PP4T Sensor, 20x4 LCD, ESP32 module, Relay, Mitsubishi D700, MCP 4725 Sensor. The tests carried out showed that the performance of the sensor for measuring speed, voltage, and current on 3-phase motors has a high level of accuracy. Testing of motor speed shows a difference in speed value (Rpm) between the hall effect sensor and the tachometer, with an average accuracy percentage of 4,12%, indicating that the hall effect sensor has a fairly good level of accuracy. For voltage measurement, the Pzem sensor compared to the Multitester produces an average accuracy percentage of 0,90%, indicating that the pzem sensor is very reliable. Meanwhile, current testing shows a difference in value between the pzem sensor and the multitester with an average accuracy percentage of 0,98%, indicating a fairly high level of accuracy. Overall, this system can be relied on for measuring operational parameters of 3-phase motors because it has consistent and good accuracy. With this research, the 3-phase induction motor monitoring system which was originally done manually has changed to automatic and has a fairly high level of work efficiency.
Rancang Bangun Safety Device pada Conveyor Menggunakan Arduino Mega I Putu Genta Maha Permana Wiratmo; Antonius Edy Kristiyono; Ardhiana Puspitacandri
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 3 No. 3 (2024): September: Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v3i3.2525

Abstract

Unloading equipment is equipment used to assist the process of loading or unloading cargo, such as cargo or bulk cargo from transportation facilities. One example is a conveyor, a mechanical system that can move goods. However, damage often occurs to the conveyor, so an Arduino Mega-based safety device was designed to fulfill the safety aspect. The aim of this research is to find out how to design an Arduino Mega-based safety device system for conveyor unloading equipment using the Research and Development (R&D) method. Using 2 types of testing, namely: static and dynamic testing. Arduino MEGA works fine. If the motor rotates and the conveyor moves, the conveyor is said to be working properly. The safety device on the Arduino Mega-based conveyor was made using Arduino IDE software using the C++ programming language. This safety device is able to secure the conveyor when damage occurs by cutting off the electricity when there is an overload on one of the conveyors so that the entire conveyor stops working. The conveyor series consists of a power supply, box panel, and three conveyors. After the tool has been tested and can work well, the testing is complete and the tool is ready to be used.
Analysis of Overheating On Auxiliary Engine Cat 18 On Ahts Ship Logindo Stamina Marshelino Chandra Suhartono; Aziz Nugroho; Trisnowati Rahayu; Antonius Edy Kristiyono; Shofa Dai Robbi; Imam Sutrisno
Asian Journal Science and Engineering Vol. 4 No. 1 (2025): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v4i1.1891

Abstract

This research aims to identify and analyze the primary causes of overheating in the CAT 18 Auxiliary Engine aboard the AHTS Logindo Stamina vessel and to evaluate its impact on the vessel’s operational performance. Overheating has been found to significantly reduce Engine efficiency, increase fuel consumption, and potentially cause blackouts that endanger navigational safety. The investigation identified three main causes: cracking of the seawater pump cover, failure of the thermostat due to prolonged use, and clogging of the sea chest strainer by marine debris. A qualitative descriptive method was applied, involving direct observation and interviews with the ship’s Engine crew. The mitigation efforts included repairing the seawater pump cover using high-temperature-resistant Devcon adhesive, replacing the damaged thermostat, and implementing a regular Plan Maintenance System (PMS). The findings underscore the critical importance of proper cooling system management and routine maintenance discipline in preventing overheating and maintaining the reliable operation of auxiliary Engines aboard ships.
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 : Lembaga Pengembangan Kinerja Dosen

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 : Lembaga Pengembangan Kinerja Dosen

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 : Lembaga Pengembangan Kinerja Dosen

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 : Lembaga Pengembangan Kinerja Dosen

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.
Co-Authors Abdi Seno Ady Wijaya Agus Prawoto Akhmad Kasan Gupron Andy Dwi Ardiyanto Ardhiana Puspitacandri Ari Yudha Lusiandari Aziz Nugroho Bima Nurrahma Dhany Fachrudin, Achmad Dirhamsyah Eko Prayitno Hadi Setiawan Hariyono Hariyono I Made Dody Permana I Putu Genta Maha Permana Wiratmo Ibnu Septian, Wahyu Imam Sutrisno Kuntoro Bayu Ajie Marshelino Chandra Suhartono Moh Ghufron Muhtadi Muhamad Ghali Pw Carwito Muhammad Dion Putra Widjaya Nazha Madeza Bakri Novitasari Novitasari Nurdiansari, Henna Petrisia Widyasari Sudarmadji Prima Yudha Yudianto Rinanto, Noorman Saiful Irfan Shofa Dai Robbi Sri Mulyanto Sri Mulyanto Herlambang Teguh Pribadi Trisnowati Rahayu Wisnu Bachtiar Fanani Wulan Marlia Sandi