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All Journal IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Simantec The Spirit of Society Journal : International Journal of Society Development and Engagement Bulletin of Community Engagement Elektriese: Jurnal Sains dan Teknologi Elektro BHAKTI PERSADA Jurnal Aplikasi IPTEKS (Journal of Applied Sciences and Technology) Indonesian Journal of Innovation Multidisipliner Research Jurnal Cakrawala Maritim Indonesian Journal of Innovation Multidisipliner Research Joong-Ki
Yuning Widiarti, Yuning
Politeknik Perkapalan Negeri Surabaya
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Implementasi Komunikasi LoRa RFM95 untuk Pengiriman Data Tegangan dan Arus pada Panel Shore Connection Rakha Bagus Putra Pradana; Yuning Widiarti; Anggara Trisna Nugraha
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 10 No. 02 (2020): Artikel Riset Periode Oktober 2020
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (701.038 KB) | DOI: 10.47709/elektriese.v10i02.1636

Abstract

Indonesia saat ini dihadapkan dengan revolusi industri 4.0 dimana semua lini belomba – lomba untuk menjadi industri yang lebih baik tak terkecuali industri maritim. Revolusi industri 4.0 ini menekankan pemanfaatan IoT dalam menunjang kegiatan industri tersebut. Pada industri maritim khususnya pelabuhan beberapa sudah memanfaatkan IoT dan ada yang belum memanfaatkan IoT, salah satunya adalah monitoring panel shore connection. Panel shore connection merupakan panel penyuplai daya untuk kapal yang sedang bersandar di pelabuhan yang bersumber dari penyedia listrik di darat atau biasanya PLN. Pemanfaaatan teknologi nirkabel sebagai penunjang menuju pemanfaatan IoT dapat diterapkan untuk monitoring panel shore connection. Dalam penelitian kali ini data monitoring tegangan dan arus dikirimkan menggunakan teknologi nirkabel LoRa RFM95 yang dapat mengirimkan data dengan suplai daya yang rendah dan jarak jangkau yang cukup jauh. Sensor PZEM004T dipilih untuk menjadi sensor serbaguna karena dapat mendeteksi tegangan sekaligus arus dan hasilnya dapat dengan mudah diakuisisi oleh mikrokontoler maupun personal computer (PC) secara langsung. Mikrokontroler Arduino Uno dipilih menjadi otak dari proses pengakuisisian data dan juga pengiriman data. Data yang diterima pada akan ditampilkan dalam tampilan layar LCD 20x4 dengan modul I2C dan data yang ditampilkan pada layar LCD 20x4 direkam dan tersimpan pada personal computer (PC) dengan menggunakan fitur Data Streamer di aplikasi Microsoft Office Excel.
Implementation Adaptive Decision Feedback Equalizer for Time-Reversal Communication in Shallow Water Environment Yuning Widiarti; Mohammad Basuki Rahmat
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 6 No 1: September 2022
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v6i1.2037

Abstract

Underwater wireless communications are growing very fast along with human needs for applications such as defense, state security, underwater control and monitoring systems. Until now, an acoustic signal is a practical way to achieve long distance communication in the ocean. However, the underwater acoustic channel faces many challenges including limited available bandwidth, long delays, time-variability, and Doppler-spread. These challenges can reduce the reliability of the communication system and the achievement of high data-rate becomes a challenge. Adaptive decision feedback equalization is a method to compensate for the distortion of information signals on the underwater acoustic channel. On the other hand, time reversal is an effective method of overcoming intersymbol interference (ISI) problems which is the effect of multipath phenomena in underwater channels. Spatial focusing on time reversal can reduce the co-existing system disturbances and its temporal focusing makes the received power concentrated within a few taps so that the equalizer design work becomes much simpler. The temporal focusing can also increase the transmission rate. This paper shows that the combination of time reversal and adaptive DFE (TR-DFE) has superior performance than TR and DFE itself. By modifying the step-size parameters in the adaptive DFE, the TR-DFE level of convergence and performance can be improved. The geometry-based modeling which is used proves that distance and multipath variation greatly affect the quality of time reversal communication on the underwater acoustic channel.
Pemeliharaan Perawatan Motor Listrik Petani Tambak Udang Sebagai So-lusi Mengurangi Dampak Kerusakan Motor Listrik Perangkat Paddle Wheel Aerator Mohammad Basuki Rahmat; Yuning Widiarti; Hendro Agus Widodo; Jossianto Eko Poetro; Nur Wakhidatur Rochmawati; Sindy Yurisma Sheila
Bhakti Persada Jurnal Aplikasi IPTEKS Vol. 8 No. 2 (2022): Bhakti Persada Jurnal Aplikasi IPTEKS
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v8i2.77-84

Abstract

Pada beberapa tambak udang vaname di daerah Probolinggo memiliki permasalahan pada kincir air yang berfungsi sebagai aerator. Kurangnya pemeliharaan menyebabkan kondisi kincir air berlumut dan berkarat. Hal ini berpengaruh terhadap penurunan kinerja kincir air terutama pada bagian motor listrik sehingga pertumbuhan udang kurang optimal dan berdampak pada lamanya waktu panen.  Pemeliharaan secara rutin sangat diperlukan untuk mengurangi potensi kerusakan motor listrik pada kincir air.  Namun karena keterbatasan pengetahuan dan kompetensi petani di bidang motor listrik, maka aktivitas perawatan motor listrik sering terabaikan. Untuk mengatasi permasalahan ini, dosen Teknik Kelistrikan Kelistrikan Kapal PPNS  mengadakan kegiatan pengabdian kepada masyarakat  di Desa Sidopekso Kecamatan Kraksaan Problinggo agar dapat membantu meningkatkan hard-skill petani tambak dalam hal perawatan serta perbaikan motor listrik agar dapat meningkatkan hasil panen. Metode penelitian ini adalah menggunakan penelitian deskriptif kualitif yakni menggambarkan peristiwa yang terjadi secara menyeluruh. Teknik Pengumpulan data yang digunakan dalam penelitian ini adalah dengan observasi, wawancara dan dokumentasi. Hasil dari kegiatan pengabdian kepada masyarakat yang telah dilakukan adalah meningkatnya hardskill petani tambak udang serta mendapatkan pengetahuan dan juga wawasan tentang perawatan dan perbaikan motor listrik.
Fish Boat Building as a Supporting Facility for Lobster Cultivation in Banyuwangi Budianto Budianto; M. Basuki Rahmat; Yuning Widiarti; Imam Sutrisno
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 6 No 2: March 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v6i2.2195

Abstract

The economic condition of the coastal communities of East Java, especially in Banyuwangi, is strongly influenced by the tourism and fishing sectors. This condition needs to be developed with supporting facilities such as the procurement of fishing vessels. Procurement of fishing vessels must be designed with a feasibility study on vessel operations. In general, coastal conditions have shallow water depths and are often used by coastal communities for lobster cultivation. The supporting fishing vessels must be able to maneuver properly and not damage the ecosystem so that the existence of coral reefs is maintained. The fishing boats that support lobster aquaculture are designed with good maneuverability by taking into account the speed, the result of the waves formed and the capacity of the ship. The results of the design of fishing boats supporting lobster cultivation obtained that the main size of the ship is 13.00 meters long, 3.00 meters wide and 0.8 meters draft with a speed of 12 knots, reaching a designed mileage of 30 km in shallow water operational conditions
PENGENALAN SOFTWARE MANAJEMEN PRODUKSI PEMBANGUNAN KAPAL IKAN TRADISIONAL PADA SERIKAT PEKERJA SEKAWAN GROUP DI LAMONGAN Irma Rustini; Nurvita Arumsari; Dika Rahayu Widiana; Yugowati Praharsi; Yuning Widiarti
Jurnal Cakrawala Maritim Vol. 7 No. 1 (2024): Jurnal Cakrawala Maritim
Publisher : P3M Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jcm.v7i1.14

Abstract

Lamongan as one of the districts that produces the largest fish in East Java has population who work as fishermen as well as traditional fishing boat builders. Based on the results of a survey of the Sekawan Group workers union in Kandangsemangkon Village, Paciran District, Lamongan as a partner in this community service activity, one of the obstacles faced by traditional fishing shipyards is the duration of shipbuilding which is longer than the specified duration. This is due to the absence of definite plans and targets in the construction of ships, this has an impact on the delay in the completion time of ship construction. To overcome this problem, training on the introduction of Microsoft project software was given to traditional shipyard workers. Before and after the training the participants were given a pre-test and post-test. The scores from the pre-test and post-test were processed by t-test to see the difference in scores before and after training. Based on the results of the t test, it can be seen that there are differences in test scores before and after training. In addition, the average value after the training also increased compared to before the training. Keywords: Microsoft Project, Sekawan Group Workers Union, Traditional Fishing Boat.
Underwater Remotely Operated Vehicle Control System Ar-chitecture Sutrisno, Imam; Widiarti, Yuning; Priyonggo, Projek; Hartanto, Tri Mulyatno Budhi; Santosa, Ari Wibawa Budi; Nofandi, Faris; Gunarti, Monika Retno; Prawoto, Agus; Wahyuni, Anak Agung Istri Sri
Indonesian Journal of Innovation Multidisipliner Research Vol. 2 No. 2 (2024): June
Publisher : Institute of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijim.v2i2.132

Abstract

Underwater Remotely Operated Vehicle (ROV) control system architecture, work Class II - underwater inspection is demonstrated. The object is programmed on MATLAB simulink. The nonlinear modeled plants were processed by approximation way. Author planned a controller of an underwater ROV object. PID controller is used modeled plant. Tuning PID tool is used MATLAB for choose underwater ROV controller. Researchers tested an underwater ROV for system and solving problems an underwater ROV architecture.
The Development of ROV (Remotely Operated Vehicle) by Applying PID (Proportional Integral Derivative) for Monitoring and Preservation of Coral Reefs at Pasir Putih Beach Situbondo Budianto; Sutrisno, Imam; Widiarti, Yuning; Rahmat, Mohommad Basuki
Bulletin of Community Engagement Vol. 4 No. 3 (2024): Bulletin of Community Engagement
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bce.v4i3.1592

Abstract

The necessity for the monitoring of coral reefs is becoming increasingly apparent, in order to facilitate the tracking of the health and development of these ecosystems. It is for this reason that underwater operating robots (ROVs) are being employed as an effective tool for the monitoring of coral reefs. ROVs are capable of diving to varying depths, accessing difficult-to-reach locations, and providing comprehensive visualisation through cameras and sensors. They are also equipped with an ROV depth system that, upon reaching a specified depth, enables the ROV to manoeuvre according to the user's instructions and to support its movements using the PID (Proportional Integral Derivative) Method. This research will investigate the potential of various ROV technologies for optimising the monitoring of coral reefs, including mapping, sampling, and environmental parameter measurement capabilities. The ability of ROVs to collect data in real-time without disturbing the ecosystem provides an advantage in long-term monitoring of changes in coral reefs. Furthermore, the potential challenges associated with the utilisation of ROVs for coral reef monitoring, including operational costs, technical maintenance, and the integration of complex data, are also addressed. Potential solutions to these challenges are also presented in order to facilitate the development and application of ROVs in coral reef monitoring. The combination of the advanced technology of ROVs with the urgent need for coral reef monitoring will facilitate a more comprehensive understanding of the health of these ecosystems, thereby enabling the implementation of proactive measures for the conservation and protection of coral reefs worldwide.
Obstacles Detection in Underwater Environment Using ROV Based on Convolutional Neural Network Asri, Purwidi; Widiarti, Yuning; Purwanti, Endang Pudji; Wismawati, Endah; Arifin, M. Firman Tsany
IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Vol 19, No 1 (2025): January
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijccs.101698

Abstract

Pada saat RoV berada dibawah air tidak sedikit obstacle yang dijumpai dan berpengaruh terhadap  kinerja dan keselamatan body ROV itu sendiri. Obyek yang tertangkap kamera ROV seringkali sulit untuk diidentifikasi dan dideteksi karena besarnya noise bawah air. Selain itu, sifat air yang membiaskan cahaya dan tingkat kejernihan air turut berpengaruh terhadap kualitas gambar yang dihasilkan. Untuk membantu dalam mengidentifikasi obyek yang ada di bawah air, maka pada penelitian ini proses identifikasi dilakukan dengan menggunakan Convolutional Neural Networks (CNN). CNN mengekstraksi fitur penting dari gambar melalui beberapa lapisan konvolusi. Setiap lapisan konvolusi menggunakan filter untuk mendeteksi pola seperti tepi, sudut, atau tekstur dari gambar input. Pada tahap akhir, fitur-fitur yang sudah diproses ini dihubungkan ke lapisan fully-connected yang bertindak sebagai pengklasifikasi. CNN kemudian memetakan fitur-fitur tersebut ke dalam kelas-kelas tertentu , misalnya objek seperti botol, tiang kayu, rantai, dan propeller. Dari pengujian secara real-time sistem berhasil menunjukkan performansi yang baik dengan akurasi validasi sebesar 99.25% dan akurasi klasifikasi real-time sebesar 85%. Hasil klasifikasi selanjutnya menentukan pergerakan thruster ROV.
Penerapan Teaching Factory Berbasis Proyek ROV untuk Meningkatkan Skill Mekatronika Siswa SMK Puger Poetro, Joessianto Eko; Sutrisno, Imam; Rahmat, Mohammad Basuki; Widiarti, Yuning; Bashori, Achmad
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 4 No. 3: Mei 2025
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v4i3.8673

Abstract

Keterampilan mekatronika merupakan kompetensi utama yang perlu dikuasai oleh siswa Sekolah Menengah Kejuruan (SMK), khususnya dalam menghadapi tantangan dunia industri 4.0 dan kebutuhan kerja berbasis teknologi. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan keterampilan mekatronika siswa SMK Puger melalui pendekatan Teaching Factory berbasis proyek pembuatan Remotely Operated Vehicle (ROV). Metode pelaksanaan meliputi pelatihan dasar teori ROV, praktik perakitan komponen elektronik dan mekanik, pemrograman mikrokontroler, serta pengujian dan evaluasi hasil kerja siswa. Proyek ini tidak hanya mengembangkan kemampuan teknis siswa, tetapi juga mendorong peningkatan soft skills seperti kerja tim, problem solving, dan komunikasi teknis. Hasil kegiatan menunjukkan adanya peningkatan signifikan dalam pemahaman dan keterampilan siswa pada aspek elektrikal, mekanikal, dan pemrograman. Program ini juga memberikan pengalaman nyata bagi siswa dalam menerapkan pembelajaran berbasis industri yang aplikatif. Dengan demikian, Teaching Factory berbasis proyek ROV terbukti efektif sebagai media pembelajaran untuk memperkuat kompetensi mekatronika di tingkat SMK.
Design of Temporary Storage for Hazardous Waste at Politeknik Perkapalan Negeri Surabaya Setiani, Vivin; Sholihah, Mar'atus; Kurniasih, Dewi; Widiarti, Yuning; Budiyanto, Ekky Nur; Khumaidi, Agus; Wibowo, Sekarsari; Setyawati, Emeralda Eka Putri; Astutik, Rina Puji
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 1 (2025): March 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i1.275-286

Abstract

Politeknik Perkapalan Negeri Surabaya has workshops or laboratories that generate hazardous waste from practical learning activities. Currently, hazardous waste is not stored in accordance with regulations, it will pose a danger to the environment and human health. Therefore, this research requires a design for hazardous waste storage that complies with the Minister of Environment and Forestry Regulation number 6 of 2021. The design of fire extinguisher requirements is based on the Regulation of the Minister of Manpower and Transmigration of the Republic of Indonesia No. Per.04/Men/1980 and the design of lighting based on SNI 03-6575-2001. This research discusses the design of hazardous waste storage, including the characteristics of hazardous waste, the design of packaging and the supporting facilities. The characteristics of hazardous waste at the Politeknik Perkapalan Negeri Surabaya consist of flammable waste, toxic waste, and infectious waste. While, the packaging for hazardous waste is equipped with symbols and labels according to their characteristics and volume. The design of the hazardous waste storage building at the Politeknik Perkapalan Negeri Surabaya has dimensions of 11 m x 7 m, equipped with 12 lights and light fire extinguishers, taking into account the location, facilities, and emergency response.
Co-Authors Adianto o, Adianto Agus Khumaidi Anggara Trisna Nugraha Ari Wibawa Budi Santosa Arifin, M. Firman Tsany Asri, Purwidi Astutik, Rina Puji Bashori, Achmad Budianto Budianto Budianto Budiyanto, Ekky Nur C. I. Sutrisno Dewi Kurniasih Dika Rahayu Widiana Faris Nofandi Gunarti, Monika Retno Hamzah, Shipun Anuar Hartanto, Tri Mulyatno Budhi Hendro Agus Widodo Hendro Agus Widodo, Hendro Agus Idris, Azlina Imam Sutrisno Irma Rustini Joessianto Eko Poetro, Joessianto Eko Jossianto Eko Poetro Julia, Aina M. Basuki Rahmat Mohammad Basuki Rahmat Mohammad Basuki Rahmat Mohammad Basuki Rahmat, Mohammad Basuki Nur Wakhidatur Rochmawati Nurvita Arumsari Poetro, Jossianto Eko Prawoto, Agus Projek Priyonggo Sumangun Lukitadi Purwanti, Endang Pudji Putri, K S H Rahmat , Mohammad Basuki Rahmat, M. Basuki Rahmat, Mohommad Basuki Rakha Bagus Putra Pradana Rochmawati, Nur Wakhidatur Setiani, Vivin Setijadi, Eko Setyawati, Emeralda Eka Putri Sheila, Sindy Yurisma Sholihah, Mar'atus Sindy Yurisma Sheila Wahyuni, Anak Agung Istri Sri Wibowo, Sekarsari Wismawati, Endah Yugowati Praharsi