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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Meteor STIP Marunda Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Jurnal Pendidikan Vokasional Teknik Elektronika (JVoTE) Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) QISTINA: Jurnal Multidisiplin Indonesia Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Maritim Malahayati Jurnal Penelitian Rumpun Ilmu Teknik Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Scientica: Jurnal Ilmiah Sains dan Teknologi Jurnal 7 Samudra Politeknik Pelayaran Surabaya Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Journal of Education Transportation and Business Jurnal Publikasi Teknik Informatika Jurnal Kendali Teknik dan Sains Optimal: Jurnal Ekonomi dan Manajemen
Alia, Diana
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Peran KSOP dalam Menertibkan Tenaga Kerja Bongkar Muat melalui Simon TKBM di Pelabuhan Belawan Manalu, Afrendi; Faris Novandi; Diana Alia; Muhammad Dahri
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.v4i1.4717

Abstract

Belawan Port as the main port in Indonesia plays an important role in international trade. The Main Harbormaster and Port Authority Office (KSOP) of Belawan has the authority to supervise operational activities at the Port including regulating stevedoring workers (TKBM). This regulation is implemented through the TKBM Monitoring System (SIMON TKBM) to manage workers efficiently, transparently, and safely. This study uses a qualitative descriptive approach with literature study methods, interviews, observations and documentation then analyzed using data reduction methods, data presentation and drawing conclusions. The results of the study showed that the role of KSOP is very central in regulating TKBM through SIMON TKBM which includes TKBM supervision, competency improvement, rule enforcement, and coordination with stakeholders. However, technical obstacles were also found including the failure of duplicate data management and the absence of an automatic age filter in the system, as well as practical obstacles, namely the lack of coordination regarding TKBM competency certificates.
Pembuatan Mesin Pengering Udang Rebon Guna Meningkatkan Produktivitas Nelayan Kenjeran, Surabaya Hakim, M Hanifuddin; Irmawanto, Rudi; Amaliah M, Sri; Kurniawan, Edi; Alia, Diana; Nurdiansari, Henna
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 3 (2023): Agustus
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v7i3.18187

Abstract

Udang rebon merupakan hasil tangkapan utama nelayan sukolilo baru, Kenjeran, Surabaya. Saat musim panen, nelayan mampu mendapat udang rebon hingga 150kg/kapal dengan jumlah kapal yang aktif melaut ±30 unit.. Untuk menghasilkan udang rebon yang bagus, perlu proses pengeringan dengan memanfaatkan panas matahari selama 2-3 hari tergantung cuaca. Padahal puncak musim udang rebon terjadi pada saat musim penghujan. Hal ini menjadi kendala, karena nelayan masih sangat ketergantungan dengan panas matahari untuk proses pengeringan. Untuk mengatasi permasalahan tersebut, maka perlu adanya alat pengering modern. Terdapat dua bagian utama yakni bagian sistem pemanas otomatis dan sistem pengering. Sistem pemanas otomatis menggunakan pemanas infrared berbahan bakar gas LPG dengan pengatur suhu. Bagian kedua yakni sistem pengering menggunakan rak bertingkat, agar dapat menghemat lahan penjemuran. Alat pengering udang rebon menggunakan sumber bahan bakar gas LPG, dengan tujuan untuk menghemat ongkos produksi dibandingkan jika memakai sumber energi listrik. Alat ini mampu mengeringkan udang rebon hingga 50 kg dalam waktu 2.5 jam dengan suhu pemanasan 45-50 derajat celcius.
Optimalisasi Pelayanan Jasa Keagenan Kapal dalam Menangani Clearance In dan Out terhadap Kegiatan Operasional Fitriani, Nabilah Devia; Nugraha, Bugi; Alia, Diana; Arisusanty, Dian Junita
QISTINA: Jurnal Multidisiplin Indonesia Vol 4, No 1 (2025): June 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/qistina.v4i1.6193

Abstract

Dalam dunia bisnis yang terus berkembang, aktivitas logistik dan distribusi barang menjadi salah satu elemen krusial yang menunjang kelancaran operasional perusahaan. Salah satu faktor penting dalam proses distribusi ini adalah keberadaan jasa keagenan, yang memiliki peran strategis dalam mengelola proses clearance , baik clearance in (masuk) maupun clearance out (keluar). Sebagai penghubung antara pemilik kapal dan instansi terkait, perusahaan jasa keagenan bertugas untuk mengatur dan mengurus segala hal terkait operasional kapal saat sandar di pelabuhan. Keberadaan jasa keagenan sangat vital dalam mendukung efisiensi alur distribusi barang, meminimalkan biaya operasional, serta menjaga kepatuhan terhadap regulasi pelayaran yang berlaku. Dalam penelitian ini, digunakan metode kualitatif deskriptif untuk menggambarkan secara mendalam peran PT Taraka Transmaritim Agensi sebagai perusahaan jasa keagenan kapal dalam menangani proses clearance in dan clearance out . Pendekatan ini memungkinkan analisis yang kontekstual dan komprehensif terhadap praktik pelayanan jasa keagenan di lapangan. Berdasarkan hasil penelitian, dapat disimpulkan bahwa perusahaan rutin mengirimkan laporan kedatangan dan laporan harian sebanyak dua kali dalam sehari. Selain itu, perusahaan juga memberikan solusi proaktif apabila terdapat kendala selama proses bongkar muat barang. Namun, beberapa hambatan tetap ditemukan dalam pelaksanaan pelayanan tersebut. Faktor cuaca dan kondisi lingkungan seperti badai atau gelombang tinggi sering kali mengganggu proses sandar dan bongkar muat kapal. Minimnya jumlah staf operasional menyebabkan beban kerja berlebih, sehingga berpotensi menimbulkan keterlambatan dan meningkatkan biaya operasional. Di samping itu, keterbatasan sarana pendukung seperti fasilitas teknologi dan alat transportasi turut memengaruhi efektivitas dan efisiensi layanan yang diberikan oleh PT Taraka Transmaritim Agensi.
Efektivitas Penambahan Aditif Pasir Silika pada Paraffin Wax untuk Media Penyimpan Panas Water Heater Putu Riska Resita Dewi; Diana Alia; Dirhamsyah Dirhamsyah; Henna Nurdiansari; Femmy Asdiana
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6735

Abstract

This research develops an automated temperature control system for water heaters, that is both efficient and stable, driven by the need for energy-saving heating solutions, particularly for marine applications. The main objective was to create an automatic system capable of maintaining water temperature within an optimal range while maximizing energy efficiency through the use of thermal storage materials. The methodology involved an on-off control system based on a microcontroller as the main controller, capable of processing temperature sensor data in real time. This system intelligently activates and deactivates the heater to keep the water temperature stable. Paraffin wax was used as a latent heat storage medium, playing a crucial role in gradually storing and releasing thermal energy to support temperature stability. An automatic water heater system based on the ESP32 microcontroller with an on-off control mechanism was successfully designed using paraffin wax combined with silica sand as a thermal storage medium. The addition of silica sand significantly enhanced heat conductivity and temperature stability. Test results showed a substantial reduction in energy consumption, with daily savings reaching Rp12,762.88, equivalent to 67% of total daily energy costs. Over a one-year period, the total savings amounted to Rp4,658,103.20, demonstrating that the paraffin wax–silica sand combination is highly effective in improving energy efficiency and reducing long-term operational costs.
Green Vessel Concept : Solar Panel Integration for Sustainable Onboard Energy Solutions Dhimas Ardiansyah Surya Atmadja; Alia, Diana; Rizqi Aini Rakhman; Agus Dwi Santoso; Kuntoro Bayu Ajie
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6754

Abstract

This study analyzes the potential use of solar cells as a renewable energy source on the MV SARI INDAH. With the increasing demand for energy and the negative environmental impacts of fossil fuels, solar cells provide a promising eco-friendly alternative. The research focuses on developing a prototype system to charge batteries using solar power, converting DC power into AC for ship operations. The methodology includes measuring sunlight intensity, current, and output voltage, while also calculating the battery capacity and the ship’s electrical load. Tests were conducted at various tilt angles, with data recorded hourly over two days to assess performance. The results show that a 75° tilt angle yields the highest voltage, current, and power output when compared to other angles. Based on these findings, the study recommends installing solar panels at a 75° angle on the compass deck. The system design utilizes two panels positioned opposite each other, forming a 150° angle to optimize energy capture. This setup is capable of supplying power to key areas on the ship, such as seven lamps in the E/R 2nd Deck, Control Room, Emergency Generator Room, and CO₂ Room. The system is designed to meet the total daily energy demand of approximately 1,400 Wh, which can be efficiently fulfilled by eight solar cells rated at 50 Wp each, providing a sustainable and efficient energy solution for the vessel.
Analisis Pengaruh Nilai Total Ekspor dan Nilai Total Impor Terhadap Neraca Perdagangan Provinsi Kalimantan Timur Periode Tahun 2020-2024 Pratiwi, Bunga; Maulana, Fajri Hisyam; Diana, Alia; Sukmawati, Diana Ayu; Setiawan, Rio
Journal of Education Transportation and Business Vol 2, No 2 (2025): Desember 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/jetbus.v2i2.7503

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh nilai total ekspor dan nilai total impor terhadap neraca perdagangan di Provinsi Kalimantan Timur selama periode tahun 2020 hingga 2024. Metode yang digunakan dalam penelitian ini adalah pendekatan kuantitatif dengan analisis regresi linier berganda melalui bantuan perangkat lunak SPSS. Data yang digunakan merupakan data sekunder yang diperoleh dari lembaga resmi seperti Badan Pusat Statistik dan instansi terkait lainnya. Hasil penelitian menunjukkan bahwa secara simultan variabel ekspor dan impor berpengaruh signifikan terhadap neraca perdagangan di Provinsi Kalimantan Timur. Secara parsial, variabel ekspor memberikan pengaruh positif dan signifikan terhadap neraca perdagangan, yang berarti peningkatan ekspor akan memperkuat posisi surplus perdagangan. Sebaliknya, variabel impor memiliki pengaruh negatif dan signifikan terhadap neraca perdagangan, yang menandakan bahwa peningkatan impor dapat menurunkan nilai neraca perdagangan atau menimbulkan defisit. Temuan ini menunjukkan bahwa aktivitas ekspor dan impor memiliki peran penting dalam menentukan kondisi neraca perdagangan di Provinsi Kalimantan Timur.
Perancangan Dual Axis Solar Tracker Guna Efesiensi Panel Surya di Atas Kapal Dhimas Bayu Kuncoro; Diana Alia; Teguh Pribadi; Edi Kurniawan; Samsul Huda
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.v5i1.7667

Abstract

This study aims to design and test a Dual Axis Solar Tracker to improve the energy absorption efficiency of solar panels on ships. The system is designed with a two-axis movement mechanism (horizontal and vertical) using a linear actuator motor controlled by Arduino Nano and ESP32. Testing was conducted on a 20 WP solar panel in Surabaya for 30 days, divided into three methods: 10 days using an LDR sensor, 10 days using an RTC, and 10 days in static conditions without a sensor. Voltage, current, and power data were measured every 30 minutes at 07.00–17.00 WIB. The test results show that the RTC method provides the highest and most stable output power, according to the sun's movement patterns in tropical areas, while the LDR method responds quickly to changes in light intensity but is less stable in changing weather. Static installation produces the lowest power. This system is able to maintain the panel orientation perpendicular to the sun's rays, thus increasing energy efficiency compared to static systems. These findings prove that dual-axis solar tracker technology, especially with an RTC sensor, is effective in dynamic maritime environments and can be a practical solution for optimizing renewable energy on ships. The most effective results using RTC sensors demonstrated the most stable and high power output, especially since the sun in tropical areas like Surabaya moves fairly consistently following a cyclical pattern. The success of this system not only increases the energy output of solar panels but also provides a practical solution for renewable energy applications in tropical climates.
Literature Review of Particle Swarm Optimization Edi Kurniawan; Diana Alia; Henna Nurdiansari; Putra, Sofyan
Meteor STIP Marunda Vol 17 No 2 (2024): December
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v17i2.382

Abstract

Optimization methods are crucial methods in a process because optimization methods can solve complex problems. One of the most effective optimization methods to achieve optimal solutions is Particle Swarm Optimization (PSO), an algorithm inspired by the social behavior of animals. Where, the PSO algorithm is a particle (parable an animal) that has been initialized will move continuously updating its position based on a combination of two factors, namely the attraction towards the individual's best position (pBest) and the attraction towards the global best position (gBest) until it reaches the position optimal. Particle movement is influenced by three main control parameters, namely cognitive coefficient (c1), social coefficient (c2), and inertial weight (ω) in order to produce optimal values ​​without being trapped in local solutions. The advantages of PSO compared to other optimal methods such as the Firefly Algorithm (FA) and Gray Wolf Optimizer (GWO) are its convergence speed and ability to handle non-linear problems with noise. This makes PSO good for applying to complex problems such as solving non-linear mathematical model problems, optimizing fuzzy controllers, optimizing exhaust gas emission parameters and engine performance on ships.
Design and Development of a Marine Current Power Plant Using a Horizontal Axis Turbine of The Naca S814 Propeller Adi, Ari Wicaksono; Alia, Diana; Masita, Ita
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.v5i2.8429

Abstract

The increasing demand for electrical energy and the limited availability of fossil fuels have driven the development of renewable energy sources, including marine current energy, which remains underutilized in coastal and remote maritime regions. This study presents the design and realization of a small-scale marine current power generation prototype using a horizontal axis propeller turbine with a NACA S814 blade profile and analyzes the effect of turbine rotational speed on electrical power output. The system converts marine current kinetic energy into mechanical energy through turbine rotation and subsequently into DC electrical energy using a generator, which is stabilized by a Buck–Boost Converter and Maximum Power Point Tracking (MPPT) for charging a 12 VDC battery. Real-time monitoring of electrical and mechanical parameters is implemented using an Internet of Things (IoT)–based system comprising an ESP32 microcontroller, a PZEM-017 sensor, and an RPM sensor. Experimental results demonstrate a positive correlation between water flow rate, turbine rotational speed, and generator output voltage. The system begins operating at a minimum flow rate of 35.2 L/s at 56 RPM, producing 0.2 V, while optimal performance is achieved at 45.3 L/s and 516 RPM, generating up to 13.3 V. These results indicate that the proposed prototype is a viable alternative renewable energy source for marine applications.
Design and Construction of a Wave Power Plant Using a Recoil Starter on a Prototype Ship Vikrul Irsyad; Diana Alia; Bugi Nugraha
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.v5i2.8489

Abstract

This research aims to design and develop a prototype wave power plant that utilizes the vertical motion of a buoy as a source of mechanical energy, which is then converted into electrical energy using a recoil starter mechanism. The system is designed to be installed at the stern of a prototype ship. The vertical movement of the buoy caused by ocean waves is transmitted to the recoil starter through a drive rope, producing a stable one-way rotational motion. This rotation is further transmitted to a gearbox to increase rotational speed before driving a DC generator. The electrical energy generated is stored in a 12 VDC battery, supported by a buck–booster converter to stabilize the output voltage. This study employs an experimental engineering approach to evaluate system performance based on empirical test data. The main components of the system include a buoy as a wave energy collector, a recoil starter as the initial rotating mechanism, a DC generator as the electrical energy producer, a buck–booster converter as a voltage regulator, a 12 VDC battery as an energy storage unit, and a monitoring system based on an ESP32 microcontroller integrated with a PZEM-017 sensor. Experimental results show that the recoil starter operates effectively in driving the generator under both no- load and buoy-loaded conditions. Increases in generator rotational speed are directly proportional to increases in output voltage and current. The PZEM-017 sensor demonstrates a high level of measurement accuracy, approaching 100% when compared with a multimeter. Overall, the proposed wave power generation system functions reliably and shows potential for further development as a small-scale alternative renewable energy source.
Co-Authors Abda Abda Abel Yosa Nohara Adam Rizal Mahendra Adi Galih Utomo Adi, Ari Wicaksono AGUS DWI SANTOSO Agus Prawoto Ahmad Alif Farhan Aji Nugraha Akhmad Kasan Gupron Akhmad Kasan Gupron, Akhmad Kasan Ali, Indana Farach Amaliah M, Sri Anak Agung Istri Sri Wahyuni Arisusanty, Dian Junita Bugi Nugraha Bunga Pratiwi Dhimas Ardiansyah Surya Atmadja Dhimas Bayu Kuncoro Dimas Maulana Dimas Okky Anggriawan Dirhamsyah Dirhamsyah Dirhamsyah Dirhamsyah Diyah Purwitasari Eddi , Eddi Eddi Eddi Eddi Eddi Edi Kurniawan Edi Kurniawan Edi Kurniawan Elly Kusumawati Faris Nofandi Faris Novandi Femmy Asdiana Firdaus Sitepu Fitriani, Nabilah Devia Hadi Setiawan Hadi Setyawan, Hadi Hamzah, Irkhas Nur Hegi Putra Pratama Hilmi Wiko Iksan, M. Nor Irmawanto, Rudi Kuntoro Bayu Ajie Kustanto, Jaka Septian LOUIS BRIANT AGATA SIAHAAN M. Daffa El-Khaq Manalu, Afrendi Masita, Ita Maulana, Fajri Hisyam Maya Zulfida Mochammad Zaqi Arif Muhamad Wildan Herlangga Muhammad Dahri Muhammad Faris Rian Yazid Muhammad Hanifuddin Hakim Nindia Puspa Ashari Nugraha, Bugi Nurdiansari, Henna Pradika Maestu Putra Ryan Wibowo Putra, Sofyan Putu Riska Resita Dewi Rahmawati, Maulidiah Ramadhan, Rafi Naufal Renita Comalasari Dewi Simanjuntak Renta Novaliana Siahaan Reza Putra Susanto Rizal Tabriez Tsaqiefudin Rizqi Aini Romanda Annas Amrullah Samsul Huda Setiawan, Rio Shinta Romadhona Siregar, Amelia Greacy Talenta Soleh Uddin Sony Gunawan Sri Amaliah M Suharso, Didik Sukmawati, Diana Ayu Teguh Pribadi Trisnowati Rahayu Vikrul Irsyad Wani Sihaloho, Otri Wisnu Bachtiar Fanani Zulfida, Maya