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All Journal CYCLOTRON TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Syntax Idea Dinamika Bahari: Journal of Maritime Dynamic Jurnal Scientia Seminar Nasional Insinyur Profesional (SNIP) IWJ : Inland Waterways Journal IWTJ : International Water Transport Journal Journal of Computer for Science and Mathematics Learning
Widjatmoko, Eko Nugroho
Politeknik Transportasi Sungai Danau Dan Penyeberangan Palembang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Social Sciences Transportation Other

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Perancangan Sistem Monitoring Konsumsi Daya Listrik Berbasis Android Edi Kurniawan; Dwi Songgo Pangaudi; Eko Nugroho Widjatmoko
CYCLOTRON Vol 5, No 1 (2022): CYCLOTRON
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (939.046 KB) | DOI: 10.30651/cl.v5i1.8772

Abstract

Tagihan penggunaan listrik kepada sebagian pelanggan listrik pasca bayar tidak sesuai dengan daya listrik yang digunakan. Salah satu penyebab hal tersebut adalah tidak ada penghuni rumah ketika dilakukan pencatatan meteran oleh petugas sehingga petugas mencatat penggunaan daya listrik berdasarkan rata – rata penggunaan sebelumnya. Dengan permasalahan tersebut maka dibuat suatu sistem yang dapat memonitor penggunaan daya listrik pelanggan listrik dari jarak jauh. Monitoring jarak jauh dilakukan dengan memanfaatkan perkembangan teknologi mengenai Internet of Think (IoT) sehingga penggunaan daya listrik dapat dilihat kapanpun dan dimanapun melalui jaringan internet. Hasil penelitian menunjukkan sistem dapat mengirimkan data ke aplikasi Blynk melalui jaringan internet. Rata – rata error yang dihasilkan untuk pembacaan tegangan 0,043 % sedangkan rata – rata error pembacaan arus listrik adalah 6,25% dan rata – rata error daya listrik 6,71%.  Error pembacaan arus listrik disebabkan karena tingkat ketelitian alat ukur yang digunakan sebagai pembanding hanya 1 angka dibelakang koma sedangkan error daya listrik karena error arus listrik. Berdasarkan data tersebut maka sistem ini sangat cocok untuk digunakan sebagai monitoring konsumsi daya listrik karena error yang dihasilkan cukup kecil, dan dapat dilakukan monitoring dari manapun dan kapanpun.
Optimalisasi Perawatan Sekoci Penolong Sebagai Penunjang Keselamatan Awak Kapal Kevin Pratama; Arleiny Arleiny; Eko Nugroho Widjatmoko
Dinamika Bahari Vol 3 No 2 (2022): Edisi Oktober 2022
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/db.v3i2.314

Abstract

Safety equipment is an important aspect in supporting the security of a voyage. The importance of having safety equipment, especially Lifeboats on board, is a serious matter that cannot be underestimated. Carrying out regular maintenance of safety equipment is an effort to prevent and overcome marine transportation accidents. The maintenance and operation of lifeboats is not just a routine, but is a series of activities for the crew that requires a lot of attention and is supported by good manpower management. The purpose of this study was to describe the level of knowledge of the crew regarding the maintenance of lifeboats and their impact on the safety of the crew. This study uses qualitative methods, data collection is carried out by interviewing the crew, documentation, and conducting observations to obtain primary data and will then be used as guidelines for drawing conclusions. The results showed that the maintenance of lifeboat safety equipment according to procedures had an important influence in reducing the risk of accidents and fatalities.
ANALYSIS OF THE CAUSES OF DECREASED LUBRICATING OIL PRESSURE IN THE TONASA LINES XII AIRCRAFT CARRIER ENGINE Eko Nugroho Widjatmoko; P Marcello Lopulalan; Driaskoro Budi Sidharta; Eko Prasetio
Jurnal Scientia Vol. 12 No. 04 (2023): Education, Sosial science and Planning technique, 2023, Edition September-Nov
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v12i04.1999

Abstract

The lubrication system on the main engine plays a crucial role in maintaining optimal engine performance during operation. Its function is to lubricate moving engine components, lower engine temperature, reduce vibration, and protect core components from corrosive substances so that engine performance will always be maintained and can support the smooth operation of the ship, from the researcher's observation of the mother machine in KM. Tonasa Lines found that the main engine had a problem with the lubricating oil part, namely the dropped lubricating oil pressure. This study is directed to determine the cause, impact of the pressure drop, and handling steps so that the main machine can work normally again. This study applied the FTA (Fault Tree Analysis) method to understand the causes and effects of decreased lubricating oil pressure. The results showed that the decrease in lubricating oil pressure was caused by a pump not functioning optimally and blockages in the lubricating oil filter. This results in inefficient lubrication of the main engine. Decreased lubricating oil pressure that reaches 2.0 kg/cm2 increases the main engine's temperature. The recommended solution to restore the lubricating oil pressure to the normal pressure of 3.0 kg/cm2 is to add lubricating oil to the degraded/reduced Lubricating Oil Tank. In addition, it is important always to ensure the cleanliness of lubricating oil filters, monitor pump RPM through routine maintenance, and document any incidents in log books.
Evaluasi Pelayanan Angkutan Penyeberangan Pada KMP.Siginjai Lintasan Jepara “Karimunjawa Provinsi Jawa Tengah Eko Nugroho Widjatmoko; Andri Yulianto; Siti Nurlaili Triwahyuni; Hadisty Ciptawardhani
Syntax Idea
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/syntax-idea.v5i11.2702

Abstract

Jepara Ferry Port is located in Jepara Regency, Central Java Province. The Jepara Ferry Port has three vessels in operation, namely KMP.Siginjai, KMC.Express Bahari 1C and KMC.Express Bahari 3F. There are several services that do not comply with regulations and are carried out by ship operators, even though the services on board have been regulated by the government to provide a sense of security and comfort during the crossing. This research aims to determine the level of suitability of ferry transportation services at KMP. Siginjai on the current conditions regarding Minimum Service Standards and knowing the service attributes that need to be improved on a priority scale. The method used is analysis of the level of suitability of SPM for ferry transportation and IPA to determine service attributes that need to be improved on a priority scale. Based on the results of the analysis and calculations, it was found that KMP.Siginjai had a suitability level for passenger services, namely 69.35%, KMP.Siginjai vehicle loading services, namely 75%, ship operation services, namely 100% and the results obtained were that service attributes needed to be improved on a priority scale for aspects Passenger services include first aid kits which are not yet available, security officers, reclining seats and sofas, separate toilets and passenger baggage facilities. In vehicle loading services, the attributes on the priority scale are evacuation routes, distance between vehicles and the distance between the ship wall and the vehicle and a light intensity of 200 – 300 Lux. The strategy offered to increase comfort and satisfaction is to provide facilities that are located on a priority scale.
Implementasi Sterilisasi Dan Manajemen Arus Lalu Lintas Penumpang Dan Kendaraan Di Pelabuhan Penyeberangan Jepara Provinsi Jawa Tengah Priyono, Broto; Yulianto, Andri; Widjatmoko, Eko Nugroho; Triwahyuni, Siti Nurlaili; Agustini, Elfita; Agustini, Hera; Shintya Putri, Ni Ketut
IWJ : Inland Waterways Journal Vol. 6 No. 1 (2024): Inland Waterways Journal (IWJ:April)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwj.v6i1.205

Abstract

Keamanan dan keselamatan dalam kegiatan keberangkatan dan kedatangan penumpang/kendaraan di suatu pelabuhan penyeberangan dipengaruhi oleh pola arus lalu lintas di pelabuhan tersebut. Penerapan sterilisasi pada setiap zona di pelabuhan dan kelancaran arus lalu lintas akan menjadikan suatu kegiatan yang aman dan selamat di pelabuhan Penyeberangan Jepara. Tujuan dari penelitian ini adalah untuk mengetahui kondisi eksisting sterilisasi di setiap zona dan kondisi arus lalu lintas di pelabuhan serta fasilitas yang mendukung penerapan sterilisasi dan arus lalu lintas. Metode yang digunakan untuk menganalisis permasalahan adalah metode observasi secara langsung di lapangan untuk mengamati penerapan sterilisasi pada Peraturan Menteri Perhubungan No. 91 Tahun 2021 tentang Zonasi pada Kawasan Pelabuhan yang digunakan untuk melayani angkutan penyeberangan dan manajemen arus lalu lintas di Pelabuhan Penyeberangan Jepara yang mengacu pada Peraturan Direktorat Jenderal Perhubungan Darat Nomor SK.242/HK.104/DRJD/2010 tentang Pedoman Teknis Manajemen Lalu Lintas Penyeberangan. Berdasarkan hasil analisis didapatkan bahwa pelabuhan penyeberangan Jepara belum menerapkan sterilisasi pelabuhan seperti pedagang kaki lima yang bebas berjualan di area dermaga, pengantar/penjemput yang mengantar atau menjemput penumpang langsung ke dermaga (zona C) dan adanya pemancing di area dermaga, maka penerapan sterilisasi sangat diperlukan. Masih bergabungnya loket tiket untuk penumpang dan kendaraan masih bergabung dengan area parkir siap muat untuk kendaraan golongan II dan III dengan kendaraan golongan IV dan V. Belum adanya tollgate dan jembatan timbang serta kurangnya fasilitas pendukung seperti rambu-rambu di setiap zona pelabuhan.
OPTIMALISASI PENERBITAN SURAT PERSETUJUAN BERLAYAR DENGAN INDONESIA PORT INTEGRATION SYSTEM (INAPORTNET) UNTUK MENINGKATKAN PELAYANAN KANTOR KSOP KELAS II PALEMBANG Widjatmoko, Eko Nugroho; Kartini, Sri; Riyanti, Nadya
IWTJ : International Water Transport Journal Vol. 6 No. 1 (2024): International Water Transport Journal (IWTJ: April)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

Kantor Syahbandar Otoritas Pelabuhan kelas II Palembang merupakan unit pelaksana teknis di lingkungan Kementrian Perhubungan di wilayah perairan Palembang dan sekitarnya yang berada dibawah dan bertanggung jawab secara langsung kepada Direktur Jenderal Perhubungan Laut. Penelitian ini bertujuan untuk mengetahui pengaplikasian penggunaan Indonesia Port Integration System (INAPORTNET) dalam pelayanan Clearance In dan Clearance Out di wilayah Kantor Syahbandar Otoritas Pelabuhan kelas II Palembang. Permasalahan ini mengacu pada Peraturan Menteri Nomor 93 Tahun 2013 tentang Penyelenggaraan dan Pengusahaan Angkutan Laut, Peraturan Menteri Nomor 93 Tahun 2013 tentang Penyelenggaraan Usaha Terkait Dengan Angkutan Di Perairan, dan Peraturan Menteri Nomor 8 Tahun 2022 tentang Tata Cara Pelayanan Kapal Melalui INAPORTNET. Hasil dari penelitian ini adalah: Penerapan penggunaan Inaportnet oleh Kantor Syahbandar Otoritas Pelabuhan kelas II Palembang dalam pelayanan penerbitan SPB belum optimal karena terdapat hambatan-hambatan dalam penerapanya, hambatan yang dihadapi pihak agensi perusahaan kapal dan Kantor Syahbandar Otoritas Pelabuhan kelas II Palembang dalam penggunaan Inaportnet dalam melakukan pelayanan SPB antara lain Dokumen yang kadaluarsa, Kurangnya pelatihan dan sosialisasi, dan Lemahnya jaringan internet,upaya yang dapat dilakukan pihak agensi perusahaan kapal dan Kantor Syahbandar Otoritas Pelabuhan kelas II Palembang dalam mengoptimalkan hambatan yang terjadi antara lain dengan menambah koneksi internet, membuat layanan customer service, memperpanjangan sertifikat yang kadaluarsa agar pada saat mengunggah sertifikat ke dalam sistem Inaportnet tidak terjadi masalah yang dapat menghambat proses penerbitan SPB dan diadakanya sosialisasi termasuk pelatihan agar pengguna jasa layanan Inaportnet tidak merasakan kebingungan dalam tahapan penggunaan layanan Inaportnet serta dapat menambah kecepatan internet supaya tidak terjadi masalah yang berkaitan dengan jaringan internet ketika proses mengunggah data dalam sistem Inaportnet.
EVALUATION OF FENDER, BOLDER AND TRESTLE NEEDS AT BITUNG FERRY PORT, NORTH SULAWESI PROVINCE. Widjatmoko, Eko Nugroho; Pusriansyah, Ferdinand; Seno, William; Sari, Desti Yuvita; Anwar, Andhika Faisal
IWTJ : International Water Transport Journal Vol. 6 No. 2 (2024): International Water Transport Journal (IWTJ: October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

Bitung ferry port is a port that connects Lembeh Island, Talaud Island, Ternate Island and North Halmahera Island. The dock facilities at Bitung Ferry Port are in poor condition and have not met the standards in accordance with the Decree of the Minister of Transportation Number KM 52 of 2004. To realize the implementation and appropriate operations, an evaluation of the dock facilities at the ferry port is needed. This research uses descriptive quantitative research. The author analyzes fenders and fender spacing analyzes the number of bolder and bolder spacing and analyzes efforts to maintain fenders, bolder and trestle. The results of this study, the type of fender that is in accordance with the impact strength of the ship is type V 600H with the number of fenders 7 and each fender is given a distance of 10.65 meters. In the bolder, the number of bolder that is in accordance with the characteristics of the operating ship is 4 bolder with a distance between bolder is 23.67 meters. The condition of the existing trestle at the Bitung Ferry Port, it is known that the condition of the asphalt section has cracked. The conclusion of this research is that the condition of the fenders, bolder and trestle at the Bitung Ferry Port is not in accordance with the needs. PT ASDP Bitung Branch does not have a routine schedule and appropriate Standard Operating Procedure stages in carrying out regular maintenance. There needs to be a routine schedule for fender, bolder and trestle maintenance.
Efektivitas Penerapan E-Ticketing dan Cashless Payment di Terminal Ferry Telaga Punggur Dalam Peningkatan Layanan Pembelian Tiket Widjatmoko, Eko Nugroho; Setiawan, Bambang; Gading, Chondro Aisyah
IWJ : Inland Waterways Journal Vol. 7 No. 1 (2025): Inland Waterways Journal (IWJ:April)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Badan Usaha Pelabuhan BP Batam mulai menerapkan pembelian e-ticketing dan melakukan pembayaran secara cashless payment. Proses pembelian tiket masih menggunakan sistem konvensional, hal ini menyebabkan terjadinya penumpukan pada loket tiket. Untuk menjelaskan fenomena yang terjadi pada lokasi penelitian, penulis menggunakan jenis penelitian kuantitatif deskriptif. Pengumpulan data pada penelitian ini menggunakan metode observasi dan kuisioner dengan instrument berupa pertanyaan yang diberikan kepada responden. Data yang telah didapatkan akan diolah menggunakan gap analysis dengan acuan Peraturan Menteri Perhubungan Nomor 19 Tahun 2020 tentang Penyelenggaraan Tiket Angkutan Penyeberangan Secara Elektronik. Berdasarkan hasil analisis dapat disimpulkan bahwa kebiasaan masyarakat dalam pembelian tiket secara konvensional serta loket tiket yang masih melayani pembelian secara langsung membuat penerapan e- ticketing dan cashless payment kurang berjalan, kurangnya sosialisasi yang didapatkan masyarakat menjadikan penerapan e-ticketing dan cashless payment kurang efektif.
REVIEW OF INFRASTRUCTURE AND LOCAL PORT SERVICES (LPS) AT MERAK AND BAKAUHENI CROSSING PORTS Hatina, Damaida; Surnata, Surnata; Triwahyuni, Siti Nurlaili; Widjatmoko, Eko Nugroho; Djulfi, Isman; Kristia, Aurellia Okta
IWTJ : International Water Transport Journal Vol. 7 No. 1 (2025): International Water Transport Journal (IWTJ:April)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

The Merak and Bakauheni Crossing Ports are a port connection for the Merak-Bakauheni crossing which is referred to as the main bridge in connecting the islands of Java and Sumatra. Each port has various facilities that can support port operational activities, one of which is Local Port Services (LPS). Local Port Services (LPS) is a service for ship traffic that is only limited to providing information about port and terminal needs and operational data that is not responsive to shipping traffic within the coverage area of the relevant station. The feasibility of these facilities is very important for the purpose of communication with ships that will enter and exit the pier as well as supervision of the arrival and departure process of ships. The method used is an observation method so that data is obtained by making observations directly at the research location. At the Merak and Bakauheni crossing ports, there are already Local Port Services (LPS) facilities but based on the results of observations in the field, there are discrepancies with applicable regulations such as the condition of room needs and the competence of human resources needed for Local Port Services (LPS) activities. This study uses the Gap Analysis method to determine the gap between existing conditions and the Regulation of the Director General of Land Transportation Number: PR-DRJD 4 of 2021. Based on the results of the research by looking at the situation firsthand, it was found that there was a discrepancy with the Regulation of the Director General of Land Transportation Number: PR-DRJD 4 of 2021, namely trees and gangways that obstruct the indicators of free view to the water coverage area and the required human resource competencies have not been fulfilled. Efforts are made so that Local Port Services (LPS) activities can run optimally by felling trees and planning the relocation of Local Port Services (LPS) activities and involving existing human resources in various education and training activities in accordance with the required competencies.
Potential of Solar PV Electrical Energy with a Capacity of 2x550 Wp on Cadet Training Ships Amrillah, Muhamad Fahmi; Yulianto, Andri; Widjatmoko, Eko Nugroho; Yudha, Dimas Pratama; Firzatullah, R Muhammad
TELKA - Telekomunikasi Elektronika Komputasi dan Kontrol Vol 11, No 2 (2025): TELKA
Publisher : Jurusan Teknik Elektro UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/telka.v11n2.240-247

Abstract

The development of the utilization of electrical energy sourced from the sun is currently experiencing very rapid development. The use of electrical energy sourced from the sun is not only used for industrial generation, currently the transportation industry also utilizes electrical energy sourced from the sun for propulsion and domestic needs. This study discusses the potential of electrical energy that can be generated by solar PV with a capacity of 2x550 Wp which will be implemented on cadet training ships. Solar irradiance is the most important component for the process of generating electrical energy, where later the irradiance value will become electrical energy using solar PV media. The irradiance value is obtained from a web application called solarglobalatlas which already has big data about the irradiation value in various places. This study took irradiation values in the coordinates area -2.953161°, 104.886022° (-02°57'11", 104°53'10") South Sumatra. The data was taken for 12 months to ensure that the data radiation experienced two seasons according to the characteristics of the area. The best irradiance values occur at 11.00 am – 01.00 pm. The results of the discussion show that the annual electrical energy that can be generated by solar PV with a capacity of 2x550 Wp using the monocrystalline PV type is 1,338.2 kWh with the largest electricity production peak occurring in August of 114.4 kWh. Meanwhile, the smallest production of electrical energy occurred in February at 87.2 kWh.
Co-Authors Agustini, Elfita Agustini, Hera Akhmad Kasan Gupron, Akhmad Kasan Amrillah, Muhamad Fahmi Andri Yulianto Andri Yulianto, Andri Anwar, Andhika Faisal Arleiny Arleiny Bambang Setiawan Djulfi, Isman Dwi Songgo Pangaudi Edi Kurniawan Eko Prasetio Eva Rahmawati Firzatullah, R Muhammad Gading, Chondro Aisyah Hadisty Ciptawardhani Hatina, Damaida Kevin Pratama Kristia, Aurellia Okta Mirianto, Agus Dina Onivehu, Adams Ogirima Pierre Marcello Lopulalan Priyono, Broto Pusriansyah, Ferdinand Ratna Widyawati Riyanti, Nadya Rohi, Saifurahman Romanda Annas Amrullah Sari, Desti Yuvita Seno, William Shintya Putri, Ni Ketut Siti Nurlaili Triwahyuni Sri Kartini, Sri Surnata, Surnata Wibowo, Amiruddin Hadi Yudha, Dimas Pratama