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All Journal Syntax Literate: Jurnal Ilmiah Indonesia Management Studies and Entrepreneurship Journal (MSEJ) Jurnal Pendidikan Vokasional Teknik Elektronika (JVoTE) Journal Of Business, Finance, and Economics (JBFE) Jurnal Teknik Mesin, Industri, Elektro dan Informatika Journal of Artificial Intelligence and Digital Business Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Jurnal Venus Journal of Engineering Science and Technology Management Jurnal Ilmu Komputer dan Sistem Informasi Journal of Innovative and Creativity Impression : Jurnal Teknologi dan Informasi JIMEK
Elly Kusumawati
Politeknik Pelayaran (Poltekpel) Surabaya
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Social Sciences Transportation Other

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Analisis Pengaruh Penerapan PTOS-M (Pelindo Terminal Operating System Multipurpose) Terhadap Kinerja Bongkar Muat Kayu Log di PT Pelindo Multi Terminal Branch Gresik Dela Agussetiawati Alam; Romanda Annas Amrullah; Ita Masita; Elly Kusumawati
Management Studies and Entrepreneurship Journal (MSEJ) Vol. 7 No. 6 (2026): Management Studies and Entrepreneurship Journal (MSEJ)
Publisher : Yayasan Pendidikan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/5c6vsh07

Abstract

The smooth loading and unloading of logs at the port requires a reliable support system; therefore, PT. Pelindo Multi Terminal's Gresik Branch implemented PTOS-M (Pelindo Terminal Operating System Multipurpose) to improve log handling performance. This study aims to determine the effect of PTOS-M implementation on log loading and unloading performance at the company. A descriptive quantitative and causal-associative approach was used, applying simple linear regression analysis with SPSS 26 based on questionnaires, observations, and documentation involving 50 respondents. Descriptive results show PTOS-M implementation scored an average of 4.024, while log loading and unloading performance scored an average of 4.192. The regression coefficient (b = 0.292) indicates a positive relationship between the two variables. The R² value of 0.680 shows that PTOS-M implementation accounts for 68% of the variation in log handling performance, with the remaining 32% explained by other factors outside this study. The t-test produced a calculated t-value of 2.021 > t-table 2.011, with a significance level of 0.049 < 0.05, indicating that PTOS-M implementation has a positive and significant effect on log loading and unloading performance.
Analisis Tidak Optimalnya Kinerja Aeration Blower Pada Sewage Treatment Plant Type SBT-40 di MV. Muhasyir Bagus Purwo Samudra; Dirhamsyah; Elly Kusumawati; Antonius Edy Kristiyono; Agus Prawoto
Impression : Jurnal Teknologi dan Informasi Vol. 4 No. 2 (2025): July 2025
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v4i2.941

Abstract

Pelayaran memiliki peran vital dalam sejarah, ekonomi, dan lingkungan, khususnya di negara kepulauan seperti Indonesia. Salah satu aspek penting dalam pengoperasian kapal modern adalah pengolahan limbah melalui Sewage Treatment Plant (STP), di mana aeration blower berfungsi menyediakan oksigen bagi bakteri aerob yang menguraikan limbah. Penelitian ini menganalisis ketidakoptimalan kinerja aeration blower pada STP tipe SBT-40 di kapal MV. Muhasyir. Penurunan tekanan udara dari 0,02 MPa menjadi 0,008 MPa menyebabkan bau tidak sedap dan gangguan proses biodegradasi. Metode penelitian meliputi observasi, wawancara, studi dokumentasi, dan tinjauan pustaka. Hasil menunjukkan kerusakan pada rotor dan bearing blower akibat kurangnya perawatan berkala dan pelaksanaan Planned Maintenance System (PMS) yang tidak konsisten. Faktor penyebab dianalisis menggunakan diagram fishbone, mencakup aspek manusia, mesin, metode, material, lingkungan, dan pengukuran. Solusi yang diusulkan meliputi pelatihan teknis, inspeksi rutin, penggantian komponen aus, serta pemasangan sensor tekanan dan getaran. Penelitian ini menekankan pentingnya perawatan preventif dan sistem monitoring untuk menjaga efektivitas STP dalam mendukung pelayaran ramah lingkungan.   Shipping has a vital role in history, economy, and the environment, especially in an archipelagic country like Indonesia. One of the important aspects of modern ship operation is the treatment of waste through the Sewage Treatment Plant (STP), where the aeration blower functions to provide oxygen for aerobic bacteria that decompose waste. This study analyzes the non-optimal performance of aeration blower in SBT-40 type STP on MV ships. Muhasyir. A decrease in air pressure from 0.02 MPa to 0.008 MPa causes unpleasant odors and disruption of the biodegradation process. The research methods include observation, interviews, documentation studies, and literature reviews. The results showed damage to the rotor and blower bearings due to lack of periodic maintenance and inconsistent implementation of the Planned Maintenance System (PMS). The causative factors were analyzed using fishbone diagrams, including human, machine, method, material, environmental, and measurement aspects. The proposed solution includes technical training, regular inspections, replacement of wear components, and installation of pressure and vibration sensors. This study emphasizes the importance of preventive maintenance and monitoring systems to maintain the effectiveness of STPs in supporting environmentally friendly shipping.  
Implementasi Bahasa Asing Pada Proses Rekrutmen Dan Penempatan Crew Kapal Di PT Equinox Bahari Utama Savanatu Rahma Shalawati; Elly Kusumawati; Upik Widyaningsih; Anjar Pamungkas
Management Studies and Entrepreneurship Journal (MSEJ) Vol. 6 No. 6 (2025): Management Studies and Entrepreneurship Journal (MSEJ)
Publisher : Yayasan Pendidikan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/msej.v6i6.9841

Abstract

Dalam Maritime Labour Convention (MLC) menegaskan pentingnya memastikan bahwa crew memiliki pemahaman yang memadai tentang bahasa yang digunakan di kapal, terutama terkait dengan keselamatan, keamanan, dan operasi kapal. Penelitian ini bertujuan untuk mengetahui implementasi bahasa asing dalam proses rekrutmen dan penempatan calon crew kapal, serta mengetahui kendala yang muncul dan upaya yang dapat dilakukan PT. Equinox Bahari Utama. Metode penelitian yang digunakan adalah metode deskriptif kualitatif melalui observasi, wawancara, dan dokumentasi. Penelitian ini dilakukan selama Praktik Darat (Prada) di PT. Equinox Bahari Utama terhitung dari bulan Juli 2024 hingga Juni 2025. Hasil penelitian menunjukkan bahwa penggunaan bahasa asing yakni bahasa inggris telah menjadi standar utama dalam seluruh tahapan rekrutmen dan penempatan crew kapal, namun ditemukan kendala seperti kasus miskomunikasi diatas kapal yang menyebabkan crew diturunkan sebelum kontrak selesai, serta keterbatasan ETO sehingga perusahaan mempertimbangkan kemampuan teknis yang bagus walaupun kemampuan bahasa masih dasar. Upaya perusahaan meliputi pelaksanaan English Training dan evaluasi kinerja berkala. Penelitian ini menyimpulkan bahwa implementasi bahasa asing di EBU sudah berjalan sesuai prosedur, tetapi masih perlu diperkuat melalui simulasi wawancara dan pelatihan komunikasi lintas budaya agar crew siap bekerja di lingkungan multinasional.
RANCANG BANGUN SISTEM PLTB MENGGUNAKAN KINCIR ANGIN TAHAN CUACA EKSTREM UNTUK OPTIMALISASI ENERGI TERBARUKAN DI KAPAL: Perancangan, Implementasi, dan Pengujian Pembangkit Listrik Tenaga Bayu (PLTB) Pada Kapal. Shodiq Dhiyaulhaq Khosyi; Edi Kurniawan; Elly Kusumawati
JURNAL PENDIDIKAN VOKASIONAL TEKNIK ELEKTRONIKA (JVoTE) Vol. 9 No. 1 (2026): Vol 9 No 1 (2026): JURNAL PENDIDIKAN VOKASIONAL TEKNIK ELEKTRONIKA (JVoTE) Volu
Publisher : PENDIDIKAN VOKASIONAL TEKNIK ELEKTRONIKA FAKULTAS TEKNIK UNIVERSITAS NEGERI JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jvote.v9i1.70480

Abstract

The ever-increasing demand for electrical energy on ships drives the development of renewable energy sources as an alternative to reduce reliance on fossil fuels. This study aims to design and evaluate a prototype wind power generator utilizing an Archimedes-type wind turbine as a supplementary energy source for ship electrical systems. The research employs a Research and Development (R&D) methodology, encompassing design, prototype fabrication, and both static and dynamic testing phases. The prototype comprises an Archimedes wind turbine, a DC generator, a Solar Charge Controller (SCC), a LiFePO4 battery, an inverter, a step-down module, and an ESP32-based monitoring system. Test results indicate that the DC generator produces a maximum voltage of 13.9 V with a charging current of 17.6 mA at a rotational speed of 1,199.1 rpm. In dynamic testing, wind approaching from the front-left yielded the best performance, with a charging current of 17.7 mA and a charging voltage of 5.7 V, whereas wind from the rear produced no electrical output. Field tests demonstrated that locations free from building obstructions resulted in higher and more stable charging compared to locations obstructed by buildings. The study concludes that the Archimedes-type wind turbine has the potential to serve as a renewable energy source supporting ship electrical systems, with performance influenced by wind direction and environmental conditions.
Proper Use of Mooring Lines on Ships to Ensure a Smooth Berthing Process on The MT. Giat Armada 04 Bima Surya Pulung Sakti; Elise Dwi Lestari; Elly Kusumawati; Upik Widyaningsih
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): June 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the influence of the physical condition of mooring lines and supporting mooring components on the smooth berthing process of MT. GIAT ARMADA BERSAMA 04. The berthing process is a critical operational phase requiring a highly reliable mooring system to ensure the safety of the vessel, cargo, crew, and port facilities. Employing a qualitative descriptive method, data were collected through field observations across 12 berthing operations, structured interviews with deck officers, and document analysis. The findings revealed that the physical deterioration of the spring lines—specifically characterized by a visible diameter reduction, bird-caging, and surface abrasion exceeding the 10% broken strand threshold—contributed to severe operational difficulties. Furthermore, corroded deck fittings increased mechanical friction, leading to ropes jamming in the mooring chocks and significant delays in tension adjustment. Evaluated against the retirement criteria and inspection parameters defined by the OCIMF Mooring Equipment Guidelines (MEG4) and IMO safety mandates, the vessel’s mooring components operated below acceptable minimum breaking load (MBL) safety margins. Immediate replacement of degraded lines and the implementation of a strict Line Management Plan (LMP) are imperative to restore operational precision, mitigate occupational hazards, and enhance overall port efficiency.
Sistem Monitoring Kerusakan Motor Kapal dengan Sensor Piezoelectric Secara Real-Time Muhammad Rifqi Dzikra Syalabi; Sri Mulyanto Herlambang; Elly Kusumawati; Henna Nurdiansari; Akhmad Kasan Gupron
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 5 No. 2 (2026): 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.v5i2.4721

Abstract

The electric motor of a ship’s sewage pump operates continuously and plays an important role in the ship’s sanitation system. Therefore, motor condition monitoring is required to prevent operational disruptions. Motor damage is generally preceded by increased vibration caused by imbalance, bearing wear, or improper installation. This study aims to design a real-time monitoring system for electric motor damage of a ship’s sewage pump using a piezoelectric sensor as a vibration detector. The research method used was an experimental method consisting of system design, static testing, dynamic testing, and data analysis. The system was designed using a Moswell MW 125 motor as a representation of the sewage pump motor, a piezoelectric sensor as the vibration detector, an ESP32 microcontroller as the data processor and transmitter, and Node-RED as the monitoring display platform. Dynamic testing was carried out for 30 minutes with data readings taken every 5 minutes. The test results showed that the monitoring system worked according to the design. The motor vibration value under normal conditions ranged from 0.2 to 0.5 mm/s during the testing period, which was categorized as safe and stable. The system was able to display vibration data in a real-time, continuous, and accurate manner through the dashboard. Therefore, the piezoelectric sensor-based monitoring system can be used as an early detection tool for motor damage and to support preventive maintenance of the ship’s sewage pump electric motor.
Rancang Bangun Cooler Box Portable Menggunakan Peltier Renita Comalasari Dewi Simanjuntak; Diana Alia; Henna Nurdiansari; Elly Kusumawati
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 4 (2024): Desember : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i4.4327

Abstract

Technological developments and modern industrial needs increasingly demand high energy efficiency in refrigeration machine operations. In this context, the development of a more efficient cooling machine control system is very necessary. Portable cooler boxes using Thermoelectric Cooler (TEC) technology are an innovation to improve the quality and durability of fish caught by fishermen in Surabaya. This research aims to design and test a cooler box that can maintain low temperatures for a long time. This research method uses experimental methods, a series of tools and uses two test plans, namely: static and dynamic testing. The components used are three Peltier elements supported by a 12V 54A power supply, a 10K NTC temperature sensor, and a passive thermal regulator heatsink with fan. Precision testing data on the comparison sensor (thermodigital), obtained an average value of 3.75%. The error value is still categorized as a safe difference value and the tool works according to its function. Test data shows that the Cooler box can maintain a temperature between 5°C to 10°C, this temperature is ideal for slowing down the process of fish spoilage. Testing was carried out by integrating an Arduino Nano for real-time temperature monitoring which is displayed on the LCD and stored on a MicroSD. Test results show that this cooling system is effective in maintaining a stable temperature under various conditions of use, with an electrical energy consumption of 3111.38Wh per 6 hours.
Co-Authors Acintya Ratu Auliya Agus Dwi Santoso Agus Prawoto Akhmad Kasan Gupron Alia, Diana Anak Agung Istri Sri Wahyuni Andrew Joewono Antonius Edy Kristiyono Bagus Purwo Samudra Bayu Aditya Nugroho Bima Surya Pulung Sakti Dela Agussetiawati Alam Dirhamsyah Dwi Haryanto Edi Kurniawan Elise Dwi Lestari Elise Dwi Lestari Ita Masita M. Anjar Pamungkas Moejiono Muh. Dahri Muhammad Dahri Muhammad Rafli Naufaldy Tang Muhammad Rifqi Dzikra Syalabi Nabila Aurel Salsabila Nico Ruly Ardiansyah Nurdiansari, Henna Putri, Indah Ayu Johanda Renita Comalasari Dewi Simanjuntak Romanda Annas Amrullah Savanatu Rahma Shalawati Shodiq Dhiyaulhaq Khosyi Sri Mulyanto Herlambang Syaamil Abdullah Yaafi Upik Widyaningsih Upik Widyaningsih