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All Journal Jurnal Keteknikan Pertanian TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Rekayasa Mesin Jurnal Penelitian Perikanan Indonesia Prosiding Seminar Nasional Sains dan Teknologi Terapan Prosiding Seminar Nasional Teknik Mesin Quantum Teknika Jurnal Mekanik Terapan Mitra Akademia: Jurnal Pengabdian Masyarakat Teknologika JURNAL POLI-TEKNOLOGI Jurnal PADE: Pengabdian & Edukasi Logic : Jurnal Rancang Bangun Dan Teknologi Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Jurnal Sains Materi Indonesia Recent in Engineering Science and Technology
Belyamin Belyamin
Politeknik Negeri Jakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Veterinary Other

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Peningkatan Kapasitas Produksi Sabun Pakaian Untuk Meningkatkan Ekonomi Masyarakat Pasca Pandemi Covid-19 di Jatimulya, Cilodong, Kota Depok Hidayati, Noor; Bel, Belyamin; Adhi, Pribadi Mumpuni; Rahman, Haolia; Nufus, Tatun Hayatun; Nuriskasari, Isnanda
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 6 No 1 (2023): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v6i1.5584

Abstract

The lack of soap production capacity, which currently only reaches 5-10 liters of soap per production, has prompted a team of lecturers at the Manufacturing Engineering Applied Masters Study Program (MTRTM)-PNJ to take the initiative to organize and donate a soap mixing machine. The purpose of this implementation is to increase the amount of community soap production, as well as increase community knowledge and skills regarding soapmaking processes and tools. The training was carried out by delivering material on how to use and tricks for making soap with a mixer machine, which was then continued by making soap by PKK women and ending with a survey of the training implementation. From the results of the training, it was found that soap production increased to 20 liters in one production run, as well as an increase in community knowledge and skills in the process of making soap with a mixer machine. Kurangnya kapasitas produksi sabun yang saat ini hanya mencapai 5-10 liter sabun satu kali produksi, membuat tim dosen di Program Studi Magister Terapan Rekayasa Manufaktur (MTRTM)-PNJ berinisiatif mengadakan dan menghibahkan mesin pengaduk sabun. Tujuan dari pelaksanaan ini adalah untuk meningkatkan jumlah produksi sabun masyarakat, serta meningkatkan pengetahuan dan keterampilan masyarakat terhadap proses dan alat pembuat sabun. Pelatihan dilakukan dengan penyampaian materi cara penggunaan dan trik pembuatan sabun dengan mesin pengaduk yang kemudian dilanjutkan dengan pembuatan sabun oleh para ibu ibu PKK, dan diakhiri dengan survey pelaksanaan pelatihan. Berdasarkan hasil pelatihan didapatkan peningkatan produksi sabun mencapai 20 liter dalam satu kali produksi, serta didapatkan pula peningkatan pengetahuan dan keterampilan masyarakat dalam proses pembuatan sabun dengan mesin pengaduk.
TEKNOLOGI LORA SEBAGAI MODUL KOMUNIKASI NIRKABEL DI PELABUHAN PERIKANAN: UJI STABILITAS KONEKSI DI PELABUHAN PERIKANAN KARANGANTU Muryanto, Sri; Hermawan, Maman; Belyamin, Belyamin; Wibowo, Berbudi
Jurnal Penelitian Perikanan Indonesia Vol 31, No 3 (2025): (September 2025)
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.31.3.2025.%p

Abstract

Pemantauan kapal di pelabuhan perikanan merupakan aspek yang krusial dalam keselamatan kapal dan kelancaran operasional di pelabuhan perikanan. Pemantauan yang dilakukan secara manual sangat rentan terhadap kesalahan yang berakibat pada kurugian operasional pelabuhan. Pengembangan teknologi IoT dengan modul jaringan LoRa menawarkan solusi otomatisasi pemantauan dan operasional pelabuhan perikanan. Penelitian ini bertujuan untuk menguji stabilitas koneksi perangkat komunikasi LoRa yang diaplikasikan dalam sebuah konsep IoT.  Hasil pengujian menunjukan bahwa LoRa memiliki stabiltas koneksi yang baik dilingkungan pelabuhan dengan throughput stabil pada 8,73 B/s dan latency 2,28 detik pada jarak hingga 1750m. Penelitian ini membuka peluang lebih lanjut untuk pengembangan dan penerapan sistem IoT di pelabuhan perikanan dengan menggunakan modul LoRa media komunikasi nirkabel.
The Influence of Anodizing Electrolyte Concentration on Ni-P Deposition on Anodic Aluminum Oxide (AAO) Rizkia, Vika; Susanto, Iwan; Belyamin; Garjati, Vina Nanda; Hapsari, Ade Utami; Raharjo, Jarot; Damisih; Pravitasari, Retna Deca
Jurnal Sains Materi Indonesia Vol. 27 No. 1 (2025): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2025.9708

Abstract

Aluminum alloys suffer from deficiencies in surface performance due to insufficient resistance to corrosion and mechanical qualities in harsh environments. Therefore, it is crucial to apply a protective surface modification during the manufacturing process of the aluminum component. The electroless deposited Ni-P shows great potential as a protective coating due to its simple manufacturing process and outstanding performance. This study investigates the effect of oxalic acid concentration in the anodizing process on electroless Ni-P coating. In this study, Anodic Aluminum Oxide (AAO) is formed by an anodizing process on 0.3,0.5, and 0.7 oxalic acids prior to Ni-P electroless deposition. The resulting Ni-P layer has a nodular-like morphology with a size in the order of 0.5 m or less. Moreover, the AAO surface is covered by a thin and tightly formed layer of nickel particles. The EDX analysis shows the oxygen percentage falls by up to 70% after Ni deposition in all anodizing parameters, as compared to the anodized specimens alone. In addition, the nickel content gradually decreases as the concentration of oxalic acid increases from 0.3 M to 0.7 M.
Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
Perbandingan Kontrol Temperatur menggunakan Relay dan PID pada Oven Pengering berbasis Load Cell untuk Mengukur Kadar Air Buah Nidhar, Ainun; Belyamin, Belyamin; Prasetya, Sonki; Kamal, Dianta Mustofa
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6135

Abstract

Pengeringan merupakan metode pengawetan yang digunakan untuk mengurangi kadar air pada makanan, memperpanjang masa simpan, dan menjaga kualitas produk. Penelitian ini membandingkan performa kontrol relay dan PID pada oven pengering berbasis load cell untuk mengukur kadar air buah secara otomatis sesuai Standar Nasional Indonesia (SNI). Pendekatan ini bertujuan meningkatkan efisiensi waktu dan akurasi proses pengeringan tanpa perlu penimbangan sampel secara manual. Metode penelitian melibatkan penggunaan oven pengering dengan load cell untuk membaca perubahan massa buah selama pengeringan. Arduino sebagai pengendali utama, thermocouple untuk memantau temperatur, dan mosul HX711 melalukan proses data massa. Dua skema kontrol temperatur uji relay dan PID dengan mode PI, dengan temperatur ditetapkan 105˚C. Hasil menunjukkan bahwa kontrol relay tidak mampu menjaga kestabilan temperatur akibat sifat on/off-nya yang tidak presisi. Sebaliknya, kontrol PID mode PI memberikan kestabilan temperatur dengan toleransi ±1˚C dengan rise time 2,43 menit, settling time 29,025 menit. Sistem diuji menggunakan buah mangga hingga massa stabil dengan laju penguapan rata-rata 1g/menit dan kadar air akhir mencapai 80,95%. Kontribusi penelitian ini terletak pada pengembangan sistem alat ukur kadar air berbasis evaporasi yang terintegrasi dengan load cell dan kontrol suhu otomatis, memungkinkan pengukuran kadar air secara real-time dan non-destruktif. Sistem ini berpotensi diterapkan dalam laboratorium maupun sektor industri yang membutuhkan pengukuran kadar air bahan secara efisien, presisi, dan berkelanjutan.
DESIGN & IMPLEMENTATION OF MPPT SOLAR PHOTOVOLTAIC - ELECTRIC VEHICLES IN FAST VARYING PARTIAL SHADING CONDITIONS USING SERVAL OPTIMIZATION ALGORITHM Hendry Saputra; Isdawimah; Belyamin
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 24 No. 2 (2024): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v24i2.49-62

Abstract

Solar panels are used to convert solar energy into electrical energy. In this study it was applied to electric vehicles which have a very large potential for being constrained by shadows. In fast varying partial shading conditions, the position of the maximum power point is divided into two, namely GMPP and LMPP. This condition makes the MPPT process stuck in LMPP. Therefore, this research proposes the application of Serval Optimization Algorithm (SOA) in MPPT. This method refers to the natural behavior of the serval in nature. The fundamental inspiration of SOA is the serval hunting strategy in two stages of exploration and exploitation. The SOA is implemented in MPPT to change (duty cycle) so that it gets the best value and produces maximum solar panel output power. This SOA method was chosen to complete the partial shading conditions so that MPPT can optimally reach GMPP without going through LMPP. The solar panels used in this system are 2  units with specifications of 25 Wp with a 24V battery load and a 120W BLDC Motor compact in Electric Vehicle - Two Wheeler Scooter. MPPT SOA was tested in a simulation using PSIM and actual Software in 6 variations of normal and partial shading conditions. In the Simulation Test of Partial Shading Conditions, an average accuracy of 99.958% and an average tracking time of 0.492 seconds were obtained. SOA has a higher accuracy than PSO and GWO, which is 99.95%. And it has a faster tracking time of 0.55 seconds. In the SOC Integration Test, the SOA Method obtained an error value of 6.48% better than the GWO Method. On the Road Test with 6 condition, it can slow down the value of the decrease in battery capacity by 16.24%. The application of Single Source on the PV-MPPT-Converter can be implemented with an efficiency value of 76.86%. In previous research where SOA is a new method in Optimizing Problem Solving which has quite good accuracy performance, and in this research it can be implemented in Solar PV Optimization to track MPPT electric vehicles with varied and fluctuating partial shading conditions.
Analisa Kinerja Mesin Freezer Kapasitas 100 Liter dengan Penambahan Subcooler untuk Proses Pembekuan Es Batu Anwar, Mochamad; Sudrajat, Danu; Belyamin; Wibowo, Berbudi; Soeboer, Deni Achmad; Moryanto, Sri
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol. 7 No. 2 (2026): April
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.v7i2.30007

Abstract

The independent demand for ice by coastal communities and small-scale business operators is commonly fulfilled using small-scale freezer units. The cooling prici performance is a critical parameter for evaluating operational effectiveness and energy efficiency. This study evaluates the performance of a 100-liter freezer equipped with a subcooler compared to a standard configuration. The system was tested for 240 minutes at an ambient temperature of approximately 30 °C, with thermal and electrical parameters recorded every 20 minutes. Temperature, operating pressure, and power consumption data were analyzed to determine thermodynamic parameters, including the actual coefficient of performance (COP), Carnot COP, and system efficiency. The results indicate that the freezer configuration with a subcooler produces a lower refrigerant temperature after the compressor, ranging from 62–63 °C, compared to 71–72 °C in the standard configuration. The refrigerant temperature after the condenser decreased from 46–47 °C to 32–33 °C. The discharge pressure was reduced from 90–95 psi in the standard system to 60–80 psi in the subcooled system. The actual COP increased from 1.93–2.95 to 2.26–3.44, while the Carnot COP increased from 2.82–3.97 to 3.08–4.36. System efficiency was higher in the freezer with the subcooler, ranging from 73–79%, compared to 68–74% in the standard freezer. Overall, the integration of a subcooler improves heat transfer performance, reduces compressor workload, and increases energy efficiency by approximately 3–6%.
Improved of Process Production Disc Car Whell Type PSD3K (City Car Type) Herry Patria Hasan; Iwan Susanto; Belyamin; Dianta Mustofa Kamal; Ing-Song Yu
Recent in Engineering Science and Technology Vol. 2 No. 4 (2024): RiESTech Vol. 2 No. 4 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i04.71

Abstract

This research accelerates the production process with the aim of increasing productivity from Manufacturers engaged in the manufacture of automotive parts currently experiencing an increase in sales orders on the other hand facing problems in productivity due to cracked side dies in rim production to 1400 pcs. The cracking of the side die is due to thermal shock that occurs to accelerate the production process, as a result of which cracks occur in the side die. With the concept of conducting research in the field of direct production then analyzing the characteristics of mold materials, die characteristics, process characteristics, characteristics of finished products before and after changes by testing the results of the laboratory of measuring instruments and conducting trials of variations in machine setting parameters, variations in the production process and products produced. The experiment involved changing the standard temperature from 520 °C–545 °C to 532 °C–538 °C and reducing the immersion time from a minimum of 270–540 seconds to 332 seconds. It reduces the soaking time from 69 seconds to 46 seconds and the aging time from 190 seconds to 180 seconds, increasing the casting productivity from 194,870 Pcs/28 days to 213,311 Pcs/28 days from seven machines, thus meeting the customer's requirement of 200,000 Pcs/28 days without cracking side die. Durability testing on five product samples in accordance with TSD5605G standards confirms that the quality meets customer specifications. The results of this study prove that SKD6 matrial is much stronger than FCD550 against thermal shock. Keywords: thermal shock, die disc car wheel, manufacturing, automotive parts, casting productivity
Co-Authors Abdul Azis Abdillah Abdullah Asuhaimi Mohd Zin Adhi, Pribadi Mumpuni Ainun Nidhar, Ainun Armansyah H. Tambunan Damisih Dianta Mustofa Kamal Dimas Rianto Utomo Ekayuliana, Arifia Ekayuliana, Arifia Fachruddin Fachruddin Fuad Zainuri Garjati, Vina Nanda Hadi K. Purwadaria Hamzah Eteruddin Hapsari, Ade Utami Hasan, Herry Patria Hendry Saputra Herry Patria Hasan Ing-Song Yu Isdawimah Isnanda Nuriskasari Iwan Susanto Jarot Raharjo Jusafwar, Jusafwar Kamal, Dianta Mustofa M Sjahrul Annas M. Idrus Alhamid Maharani, Shilfa Maman Hermawan Mochamad Anwar Moryanto, Sri Muhamad Difa Dharmakusuma Muhammad Hidayat Tullah Muryanto, Sri Nanik Indayaningsih Indayaningsih Nasruddin _ Naufal, Achmad Noor Hidayati Nurfitriani, Antie Pallea, Feriyanto Mandila Paulus Sukusno Pramono, Agus Edy Pravitasari, Retna Deca Rahman, Haolia Rahmat Subarkah Rahmat Subarkah1 Ramadhan, Mochammad Tendi Noer Rizkiya, Anindia Octarisa Saputra, Hendry Siswahyudianto Soeboer, Deni Achmad Sonki Prasetya Sonki Prasetya Sudrajat, Danu Tatun Hayatun Nufus Tirta Lianda, Handri Tjahyono, Seto Tri Jaya Widagdo Vika Rizkia Wibowo, Berbudi Widiyatmoko, Widiyatmoko Yohannes PatrickR Patrick Zain, Fauzan Ismail