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All Journal Majalah Ilmiah MOMENTUM ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Wave: Jurnal Ilmiah Teknologi Maritim Infotekmesin Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Jurnal Maritim Jurnal Pengabdian UNDIKMA Construction and Material Journal Saintara : Jurnal Ilmiah Ilmu-Ilmu Maritim Jurnal Visi Pengabdian Kepada Masyarakat ARMATUR : Artikel Teknik Mesin dan Manufaktur ALMUJTAMAE: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Kepada Masyarakat Abdi Nusa Jurnal Pengabdian Kepada Masyarakat Abdi Putra Jurnal Maritim Polimarin International Journal Engineering and Applied Technology (IJEAT) Sewagati: Jurnal Pengabdian Masyarakat Indonesia Newton-Maxwell Journal of Physics Jurnal Masyarakat Mengabdi Nusantara Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Jurnal Nusantara Berbakti Kolaborasi: Jurnal Hasil Kegiatan Kolaborasi Pengabdian Masyarakat Jurnal Kemitraan Masyarakat Konstruktivisme : Jurnal Pendidikan dan Pembelajaran Advance Sustainable Science, Engineering and Technology (ASSET) Palawa Jurnal Pengabdian Kepada Masyarakat WAVE: Jurnal Ilmiah Teknologi Maritim
Arif Rakhman Suharso
Politeknik Maritim Negeri Indonesia
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Characteristics of the MQ-135 Sensor for Testing Medium Speed Ship Engine Exhaust Gases Suharso, Arif Rakhman; Hendartono, Ario; Supriyadi, Slamet
Advance Sustainable Science Engineering and Technology Vol. 6 No. 3 (2024): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v6i3.615

Abstract

International Convention that regulates air pollution caused by shipping activities as is indicated in Annex VI. So far, many ships' exhaust gases still contain a lot of NOx and SOx gases which can damage the air and are one of the contributors to air pollution. The aim of this research is to analyse the use of the MQ-135 sensor as a ship exhaust gas detection sensor connected to an Arduino Uno and a computer. Testing ship exhaust gas was using the medium speed ship's main engine in the engine laboratory of the Indonesian State Maritime Polytechnic. The measuring point was at the end of the exhaust chimney. The measurement variations consisted of low, medium and high engine speed (RPM) of the main engine. The result suggested that the higher the engine RPM, the higher the reading on the serial monitor. The average of measurement results from three measurements concluded that the high RPM is 96, for medium RPM is 81 and low RPM is 66 as displayed on the Arduino IDE serial monitor. From the results of the equipment testing that has been carried out, it can be concluded that the MQ-135 sensor can be used to detect ship exhaust gas from medium ship engine
Pelatihan Penggunaan Perangkat Lunak Design Engineering di SMA Negeri 14 Semarang Suharso, Arif Rakhman; Putranto, Wahyu Ari; Hendartono, Ario; Kholis, Nur; Artiyasa, Martina; Saleh, Noor Taufiq
Palawa: Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/palawa.v2i1.8791

Abstract

Negara dikatakan unggul tidak hanya  dari segi kekayaan sumber daya alamnya, tetapi juga dari segi ketersediaan dan keunggulan sumber daya manusia yang berkualitas. Era industri berbasis teknologi menggunakan komputer semakin menuntut kompetensi sumber daya manusia agar memiliki daya saing. Rekayasan design engineering tidak lagi dibuat secara konvensional. Kemampuan menggunakan software engineering untuk menggambar teknik menjadi ketrampilan yag bermanfaat besar. Computer-aided design atau CAD merupakan teknologi desain dan dokumentasi teknis. Metode pelatihan ini menggunakan presentasi, demonstrasi, dan praktik menggunakan CAD. Pelatihan ditargetkan pada siswa SMA N 14 Semarang yang sebelumnya belum pernah mendapat materi terkait CAD. Hasil pelatihan ini berupa model gambar. Berdasarkan observasi dan evaluasi, kegiatan ini memberikan dampak positif bagi peserta. Ketertarikan mereka pada dunia CAD muncul karena mereka melihat manfaatnya. Beberapa kendala dan tantangan ditemukan selama pelaksanaan kegiatan, dan perlu ditindaklanjuti agar kegiatan selanjutnya berjalan dengan lebih optimal.
Pengujian Tingkat Ketelitian Potensiometer Pada Simulasi Kemudi Kapal Arif Rakhman Suharso; Ario Hendarto; Evi Sirait; Rahindra Bayu Kumara; Susanto
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 16 No. 2 (2022)
Publisher : National Research and Innovation Agency (BRIN Publishing)

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

Abstract

Potensiometer dapat digunakan sebagai sensor untuk mengukur derajat putaran kemudi dengan membaca nilai resistansinya untuk diubah ke dalam nilai digital manggunakan analog to digital coverter yang terdapat di arduino. ADC atau disebut juga dengan Analog to Digital Converter merupakan fitur yang di miliki oleh arduino sebagai mikrokontroler guna membaca sinyal analog kemudian di konversikan menjadi sinyal digital (Elgamar, 2018). Kemudi kapal harus memenuhi persyaratan-persyaratan yang diharuskan untuk kepentingan dan keselamatan serta sesuai yang diisyaratkan dalam SOLAS 74 aturan 29 Bab II mengenai perangkat kemudi. Perangkat kemudi utama pada saat kapal melaju dengan kecepatan ekonomis maksimum, harus dapat disimpangkan sebesar 35º ke kiri/ ke kanan dalam waktu 28 detik, dari posisi port 35 derajat ke starboard 35 derajat atau sebaliknya, saat putaran mesin maksimum dan beban maksimum dalam jangka waktu maksimum 28 detik (Yusim, 2021). Hasil pembacaan potensiometer yang sudah dikonversi menjadi digital dikirimkan ke komputer melalui komunikasi serial USB dengan software yang digunakan visual basic. File visual basic dalam komputer ini berbentuk file berextensi .exe yang sifatnya executable atau dengan kata lain dapat langsung digunakan. Potensiometer yang digunakan adalah potensio dengan resistansi 100 k ohm dan tegangan referensi 5 volt dicatu dari tegangan USB komputer, hasilnya dikonversi ke digital digunakan untuk menentukan berapa derajat kemudi kapal akan berbelok ke kanan (starboard side) atau ke kiri (port side).
Pengaruh Post Welding Heat Treatment (PWHT) Pada Friction Stir Welding Pada Material Aluminium AA5052/6061 Terhadap Sifat Mekanik dan Struktur Mikro Ari Putranto, Wahyu; Khaeroman, Khaeroman; Nuriyanis, Akhmad; Suharso, Arif Rakhman; Sirait, Evi
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3056

Abstract

The development of technology in the maritime sector is very rapid in the manufacture of aluminum ships. Friction Stir Welding (FSW) is a green technology in the metal joining process. Post Welding Heat Treatment (PWHT) is one way to increase the loss of strength of the material connection after the FSW process. The purpose of this study was to determine the effect of FSW results before and after PWHT. Aluminum alloy (AA) series 5052 and 6061 were used as research materials because they are resistant to seawater. FSW parameters were spindle speed 1500 rpm (clockwise), travel speed 30 mm/min, tool depth 0.2 mm, and tool tilt 1o. PWHT parameters were heating the FSW material in a furnace to a temperature of 550°C (10, 30 minutes), water quenching, and artificial aging to a temperature of 180°C for 7 hours. The material was characterized by tensile testing, hardness, and micrography. The highest tensile strength and hardness values were 216 MPa and 68 HV, the smallest and uniform grain size in the weld zone and base metal areas were obtained at PWHT parameters of 30 minutes.
Penerapan Model Simulasi Kemudi Kapal untuk Mata Kuliah Elektronika Arif Rakhman Suharso; Ario Hendartono; Yulius Oscar; Akhmad Nuriyanis; Prijantono Dilyanto
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 9 No 1 (2025): SAINTARA (Maret 2025)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v9i1.363

Abstract

Salah satu penerapan pembelajaran berbasis proyek untuk mata kuliah elektronika di kampus Politeknik Maritim Negeri Indonesia dilaksanakan dengan membuat peralatan kemudi kapal dengan berpedoman pada salah satu capaian pembelajaran pada mata kuliah elektronika untuk jurusan Teknika yaitu menguasai dasar-dasar kelistrikan, elektronika, hidrolik, dan pneumatik yang berkaitan dengan sistem pengendalian kapal. Pembelajaran dengan metode ini dapat diterapkan secara daring dan luring dimana ketika saat efisiensi anggaran dari pemerintah untuk mengurangi belanja peralatan dan belanja pemeliharaan. Untuk mengurangi biaya dalam pembelian komponen elektronika maka digunakan software Proteus dimana software ini merupakan software open source yang dapat didownload secara gratis. Selain itu taruna tidak perlu membeli komponen sehingga meminimalisir biaya pembelian komponen elektonik. Pembelajaran diawali dengan teori tentang simulasi kemudi kapal dengan mendemonstrasikan kemudi kapal yang terdiri atas komponen potensiometer, arduino serta terkoneksi ke komputer melalui serial USB untuk dilihat datanya di komputer dilanjutkan dengan siswa praktikum membuat project tersebut dengan diawali mendownload dan menginstal software Proteus, mendownload dan menginstal software Arduino IDE kemudian dilanjutkan membuat rangkaian potensiometer, Arduino dan serial monitor menggunakan software Proteus. Dalam pembuatan project ini siswa dituntut untuk belajar mandiri dengan mencari panduan dan literature yang dapat dicari di internet maupun youtube. Model atau alat peraga simulasi kemudi kapal ini merupakan hasil penelitian DAPTV yang digunakan untuk menjelaskan simulasi kemudi kapal kepada mahasiswa di jurusan Teknika pada mata kuliah elektronika dengan biaya murah.
Pelatihan Pembuatan Pelet Apung pada UMKM Kelompok Budidaya Ikan Omah Jala Arif Rakhman Suharso; Anang Budhi Nugroho; Ario Hendartono; Wahyu Ari Putranto; Hero Budi Santoso; Akhmad Nuriyanis
Jurnal Kemitraan Masyarakat Vol. 3 No. 1 (2026): Maret : Jurnal Kemitraan Masyarakat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/jkm.v3i1.2553

Abstract

The extruder-type floating pellet machine is a form of appropriate technology that works by using a screw system to push the raw material while applying pressure to form dense pellets. The main source of raw material for making these pellets comes from trash fish, which are small fish caught by fishermen that are unfit for consumption and have low economic value. Trash fish are relatively cheap because they are classified as non-economical, but they have great potential for use as fish feed. Their distinctive strong aroma can stimulate fish appetite, while their relatively high protein content makes them an ideal source of nutrition. Before use, the trash fish are first dried and then ground using a flour machine to achieve a fine texture. The floured material is then mixed and the moisture content is adjusted to around 42%, so that the extrusion process can run optimally when using the extruder-type pellet machine. The material formulation consists of 70% trash fish meal, 15% corn meal, and 15% wheat flour. The resulting pellets are then tested in a feed laboratory and show protein levels ranging from 30-40%, depending on the quality of the trash fish raw material used. This community service activity involves fish farmer groups in the Beji area, East Ungaran District, which is expected to increase fish farmer insight on how to make floating pellets using an extruder type pellet printing machine.
Design and Experimental Evaluation o`f a PID Based Ship Rudder Control Prototype Referenced to SOLAS Arif, Arif Rakhman Suharso; Ario Hendartono; Amthori, Amthori Anwar; Slamet Supriyadi
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2739

Abstract

The Proportional–Integral–Derivative (PID)-based ship rudder control system is an effective method for maintaining a vessel’s heading automatically. This study aims to design and evaluate a ship rudder control prototype in accordance with SOLAS safety standards. The research method employed is Research and Development (R&D), which includes needs analysis, system design, prototype development, and model testing. The cargo ship prototype is equipped with an HMC5883L compass sensor, an Arduino microcontroller, and a servo motor as the rudder actuator. Data processing and PID algorithm implementation are carried out using Visual Basic software. The PID parameters used are Kp = 0.001, Ki = 0.001, and Kd = 0.2, obtained through a tuning process. Testing was conducted in a controlled pool under calm water conditions. The results show that the system achieves a steady-state condition in an average time of 21 seconds with minimal overshoot and small deviation from the setpoint, while complying with the SOLAS requirement of a maximum rudder angle of 35°.
Co-Authors Akhmad Nuriyanis Akhmad Nuriyanis Alit Astawa, Dewa Gede Amthori, Amthori Anwar Anang Budhi Nugroho Anwar, Amthori Ario Hedartono Ario Hendarto Ario Hendarto Ario Hendartono Ario Hendartono Artiyasa, Martina Bustama, Akhirul Andra Candra Oktyasari Putri Cindy Rianti Priadi Deri Herdawan Dewa Gede Alit Astawa Edwinanto Erwin Sutantyo Evi Sirait Evi Sirait Evi Sirait Fajar Sari Kurniawan Fajar Sari Kurniawan Gina Syabani Yuda Gunawan Budi Santoso Heri Hermansyah Heri Kiswanto Heri Kiswanto Hero Budi Santoso Jaya, Agil Putra Jelita Asian Khaeroman Khaeroman, Khaeroman Khoirotun Nafillah Kumara, Rahindra Bayu Marina Artiyasa Muhammad Ikrar Dharda Muharrik Mukti Adi, Widanto Mupaat Noor Taufiq Saleh Noviarianto, Noviarianto Nur Kholis Nur Kholis Nurita Widianti Prijantono Dilyanto Prijantono Dilyanto Prijo Harsono Priyanto, Tegar Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Rahim Subliansyah Putra Rahindra Bayu Kumara Rahmat Hidayat Rifki Arya Wiguna Rizka Noor Miftakhul Ulum Saleh, Noor Taufiq Sandy Setyawan Setynoningrum, Ariani Diah Sirait, Evi Slamet Supriyadi Slamet Supriyadi Slamet Supriyadi Solly Aryza Sri Tutie Rahayu Susanto Susanto Susanto Susanto Suyono Suyono Wahyu Ari Putranto Widar Bayu Wantoro Yulius Oscar Yulius Oscar Yunisa Fahmi, Nadya