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All Journal Jurnal Simetris SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Rekayasa Mesin JURNAL PENGABDIAN KEPADA MASYARAKAT R.E.M (Rekyasa Energi Manufaktur) Jurnal Journal of Electrical Technology UMY JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Jurnal SOLMA Rancang Bangun Jurnal Rekayasa Material, Manufaktur & Energi RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Martabe : Jurnal Pengabdian Kepada Masyarakat Multitek Indonesia : Jurnal Ilmiah Jurnal Teknik Mesin Indonesia Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vocatech : Vocational Education and Technology Journal Journal of Applied Engineering and Technological Science (JAETS) ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) Teknologika IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Jurnal Rekayasa elektrika Journal of Telecommunication and Electrical Scientific Majalah Teknik Mesin
Arya Rudi Nasution
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Muhammadiyah Sumatera Utara
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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MESIN PENGGILING BUNGA TELANG KERING UNTUK MENINGKATKAN PRODUKTIVITAS UKM ALJANNAH’S FARM & KITCHEN Hayulina Manurung, Yayuk; Rudi Nasution, Arya; Andriansyah Putra, Yudha
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 5, No 10 (2022): Martabe : Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v5i10.3715-3722

Abstract

Masih rendahnya produktivitas pekerja dalam penggilingan bunga telang kering menjadi serbuk dikarenakan proses produksi masih menggunakan chopper dengan kapasitas mesin yang terbatas dengan hanya 50 gram/proses dan serbuk bunga telang yang dihasilkan tidak halus merata ditambah lagi mesin chopper cepat panas yang mengakibatkan mitra dalam hal ini UKM Aljannah’s Farm Kitchen belum dapat memenuhi permintaan pasar. Mitra juga masih sangat membutuhkan ketrampilan dalam pengolahan bunga telang menjadi sejumlah makanan olahan yang memiliki inovasi tinggi sehingga seluruh hasil panen bunga telang dapat terserap dengan maksimal. Tujuan kegiatan ini adalah untuk meningkatkan produktivitas UKM Aljannah’s Farm Kitchen dengan menyediakan mesin penggiling bunga telang kering dengan kapasitas besar yaitu menghasilkan 5 kg/ jam dan memberikan pelatihan tentang berbagai olahan produk berbasis bunga telang yang inovatif. Kegiatan ini dilaksanakan di Jl. Asrama Gg. Jayak LK XIV No. 44, Medan dengan peserta kegiatan merupakan pemilik UKM dan karyawan sejumlah 7 orang. Hasil dari program ini adalah menghasilkan mesin penggiling bunga telang kering berkapasitas tinggi (5kg/jam) yang menghasilkan serbuk halus merata dan mesin tidak hanya dapat digunakan untuk menghasilkan serbuk bunga telang saja namun juga serbuk bunga Rosella dan Tin sebagai produk lain dari mitra serta meningkatnya ketrampilan mitra dalam pengolahan makanan dan minuman berbasis bunga telang yang inovatif
Rancang Bangun Prototype Exhaust Fan Otomatis untuk Menstabilkan Udara pada Ruangan Bebas Asap Oktrialdi, Benny; Siregar, Rahmat Fauzi; Nasution, Arya Rudi; Rimbawati, Rimbawati; Pasaribu, Faisal Irsan; Roza, Indra
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 16 No. 2 (2025): JURNAL SIMETRIS VOLUME 16 NO 2 TAHUN 2025
Publisher : Fakultas Teknik Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/simet.v16i2.15261

Abstract

Ruangan adalah tempat tertutup yang sering digunakan oleh manusia untuk dijadikan sebagai tempat tidur, kerja atau bahkan tempat menyimpan barang-barang yang sudah tidak di gunakan lagi. Dalam kehidupan sehari-hari,tidak sedikit manusia yang lebih memilih menghabiskan waktunya hanya berada di ruangan saja, karena adanya  kenyamanan. Sistem exhaust fan otomatis berdasarkan sensor MQ02 dan LM35 dirancang untuk menstabilkan kondisi udara di dalam ruangan. Sensor MQ02 digunakan untuk mendeteksi konsentrasi asap tertentu dalam udara, sementara sensor LM35 digunakan untuk mendeteksi suhu ruangan. Ketika konsentrasi asap atau suhu melebihi ambang batas yang ditentukan, sistem akan mengaktifkan exhaust fan untuk mengeluarkan udara dari ruangan, sehingga menjaga kualitas udara dan suhu ruangan tetap optimal. Sistem  ini dirancang dengan menggunakan mikrokontroler atau modul kontrol seperti Arduino untuk mengatur operasi exhaust fan berdasarkan pembacaan sensor. Pengujian dilakukan untuk memastikan respons sistem terhadap perubahan kondisi udara, dan pemeliharaan rutin diperlukan untuk menjaga kinerja system tetap optimal. Sistem ini dapat menjadi solusi efektif untuk meningkatkan kualitas udara di dalam ruangan dengan cara yang otomatis dan efisien. Perancangan alat ini berhasil dilakukan dan hasil pengujian menunjukkan alat mampu mendeteksi konsentrasi asap dan temperatur sesuai dengan kondisi yang diinginkan.
Rancang Bangun Troli Multifungsi Kapasitas 100 Kg Rahmatullah, Rahmatullah; M, Muharnif; Nasution, Arya Rudi; Barus, Syahputra; Octariza, Gintara
Rekayasa Material, Manufaktur dan Energi Vol 9, No 1: JANUARI 2026
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v9i1.26784

Abstract

Technology to facilitate human activities in lifting and transporting work continues to develop. Trolleys are tools that can help move goods. The design of the trolley is planned to be able to transport simply but strong and stable. This trolley is made using plate materials, iron pipes and others in its manufacture. The materials are selected to ensure durability against heavy loads. The trolley lifting system is an electrical system that includes a battery, an electric motor, and a switch to control the trolley automatically. The trolley is made using 19 mm iron pipes, wheels, 3 mm iron plates, a transport body frame made of 58 mm iron pipes and also the drive or carrier is a 5 mm steel sling with 2 pcs electric motor batteries with a power of 12 volts each. The trolley made can carry an effective load of around 100 kg, but its performance will decrease as the load increases. Future suggestions are the use of lighter but stronger materials such as aluminum or composites, the use of larger capacity and efficient electric motors, and testing with a wider variety of loads to understand the limits and maximum performance of the trolley. Training in proper use and maintenance of the trolley is recommended to ensure optimal condition and maximum service life.
Studi Eksperimental Pengaruh Parameter Pemakanan terhadap Kekasaran Permukaan Baja AISI 1045 pada Proses Pemesinan Bubut Harahap, Jagodang; Maulidin, Maulidin; Saputra, Edi; Tanjung, Iqbal; Nasution, Arya Rudi
Rekayasa Material, Manufaktur dan Energi Vol 9, No 1: JANUARI 2026
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v9i1.28323

Abstract

ABSTRACKThe quality of machining results in turning operations is strongly influenced by the surface finish produced. Surface roughness is a critical parameter for assessing machining performance as it directly affects wear resistance, efficiency, and the service life of components. Medium carbon steel AISI 1045 is widely applied in manufacturing industries, particularly for shafts, gears, and structural elements, due to its favorable mechanical properties. However, its surface finish is highly sensitive to machining parameters, making the selection of cutting conditions essential. This study aims to evaluate the effect of cutting speed and depth of cut on the surface roughness of AISI 1045 steel using conventional turning. Cylindrical specimens measuring Ø30 mm × 80 mm were machined with a carbide cutting tool under three cutting speeds (127, 225, and 510 rpm) and four depths of cut (0.2, 0.4, 0.4 and 0.6 mm). Surface roughness was measured using a Mitutoyo SJ-310 profilometer at four reference points, and the average Ra value was taken as the representative result. The findings reveal that the lowest cutting speed (127 m/min) combined with the smallest depth of cut (0.2 mm) produced the smoothest surface with Ra = 2.388 µm. In general, increasing cutting speed and depth of cut led to lowew roughness values, with the maximum recorded at 9.760 µm under certain extreme conditions. Several anomalies were also observed at high cutting speeds due to vibration and process instability. In conclusion, proper selection of machining parameters is crucial to achieving optimal surface quality while maintaining process efficiency. These results may serve as a practical reference for manufacturing industries in optimizing the turning of AISI 1045 steel.
Performance Analysis Of An Iot-Based 3-Dof Robotic Arm: A Case Study On Latency And Payload Variations Umurani, K; Nasution, AR; Gultom, MH; Putra, TA; Efrida, R; Fauzan, RD
Journal of Telecommunication and Electrical Scientific Vol. 2 No. 02 (2025): Journal of Telecommunication and Electrical Scientific (JTElS)
Publisher : Universitas Harapan Medan

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

Abstract

Digital transformation in the manufacturing sector demands the integration of efficient and responsive robotic systems. This study aims to analyze the performance of an Internet of Things (IoT)-based 3-Degree of Freedom (DOF) robotic arm, focusing on latency testing and payload variations. Conducted at the UMSU Mechanical Engineering Laboratory, the research utilizes an ESP32 microcontroller as the central processing unit and the Blynk platform as the wireless control interface. The robot's physical structure was fabricated using 3D printing technology, while joint actuation is powered by MG996R servo motors with an 11 kg/cm torque capacity. Electrical parameters were measured using a Fluke 17B+ digital multimeter to precisely monitor current consumption. Performance evaluation encompasses a multi-parameter analysis integrating information technology aspects, such as IoT network latency, with mechanical aspects including payload variations (15g, 35g, and 50g) and pick-and-place operational success. The IoT-based 3-DOF robotic arm control system was successfully implemented. The robot responded to commands within 0.5–0.9 seconds on a stable network. Performance is highly dependent on Wi-Fi signal quality, with latency increasing to >1 second at extended distances or when obstructed.
Numerical Analysis of Aerodynamic Load Characteristics and Pressure Distribution of NACA 4412 Airfoil in Vertical Wind Turbines Nasution, Arya Rudi; Affandi, Affandi; Damanik, Wawan Septiawan; Siregar, Rahmat Fauzi; Harahap, Jagodang
VOCATECH: Vocational Education and Technology Journal Vol 8, No 1 (2026): April
Publisher : Akademi Komunitas Negeri Aceh Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38038/vocatech.v8i1.303

Abstract

AbstractThe performance of a wind turbine is largely determined by its blade design, which typically uses airfoil-shaped cross-sections to optimize aerodynamic efficiency. The NACA 4412 airfoil, known for its strong aerodynamic properties, is commonly employed in both aircraft wings and wind turbine blades. Research on this airfoil investigates its lift and drag coefficients under varying wind speeds (2 m/s to 8 m/s), using SolidWorks 2021 for simulations. Results show that higher wind speeds generally increase lift and drag coefficients, with the highest lift coefficient recorded at 6 m/s. However, at 8 m/s, the lift coefficient decreases, highlighting the sensitivity of aerodynamic performance to speed variations. Additionally, pressure distribution increases with speed, while speed distribution decreases. These findings emphasize the importance of speed variations in influencing the aerodynamic behavior of wind turbine blades. The speed variation on the NACA 4412 airfoil affects the lift coefficient, where the lift coefficient and drag coefficient values will increase at each speed, but at a speed of 8 m/s the lift coefficient and drag coefficient will decrease with a lift coefficient value of 1670314e+06 and a drag coefficient value of 7.857e+07. The highest lift coefficient value occurs at a flow speed of 6 m/s of 3.54769e+04, and the highest drag coefficient value occurs at a flow speed of 6 m/s of 2.606e+06.Keywords: Airfoil NACA 4412; CFD; Speed Variations; Lift Coefficient and Drag. AbstrakKinerja turbin angin sebagian besar ditentukan oleh desain bilahnya, yang biasanya menggunakan penampang berbentuk airfoil untuk mengoptimalkan efisiensi aerodinamis. Airfoil NACA 4412, yang dikenal karena sifat aerodinamisnya yang kuat, umumnya digunakan pada sayap pesawat dan bilah turbin angin. Penelitian pada airfoil ini menyelidiki koefisien gaya angkat dan gaya hambatnya dalam berbagai kecepatan angin (2 m/s hingga 8 m/s), menggunakan SolidWorks 2021 untuk simulasi. Hasil penelitian menunjukkan bahwa kecepatan angin yang lebih tinggi umumnya meningkatkan koefisien gaya angkat dan gaya hambat, dengan koefisien gaya angkat tertinggi tercatat pada 6 m/s. Namun, pada 8 m/s, koefisien gaya angkat menurun, yang menyoroti sensitivitas kinerja aerodinamis terhadap variasi kecepatan. Selain itu, distribusi tekanan meningkat seiring dengan kecepatan, sementara distribusi kecepatan menurun. Temuan ini menekankan pentingnya variasi kecepatan dalam memengaruhi perilaku aerodinamis bilah turbin angin. Variasi kecepatan pada airfoil NACA 4412 mempengaruhi koefisien gaya angkat, dimana nilai koefisien gaya angkat dan koefisien gaya hambat akan bertambah pada setiap kecepatan, namun pada kecepatan 8 m/s koefisien gaya angkat dan koefisien gaya hambat akan berkurang dengan nilai koefisien gaya angkat sebesar 1.670314e+06 dan nilai koefisien gaya hambat sebesar 7.857e+07. Nilai koefisien gaya angkat tertinggi terjadi pada kecepatan aliran 6 m/s sebesar 3.54769e+04, dan nilai koefisien gaya hambat tertinggi terjadi pada kecepatan aliran 6 m/s sebesar 2.606e+06.Kata Kunci : Airfoil NACA 4412; CFD; Variasi Kecepatan; Koefisien Angkat dan Hambatan.
Co-Authors A, Affandi Abd Rahman Bin Dullah Ade Faisal, Ph.D Adly Zulqarnain bin Mohamad Affandi Affandi . Affandi Affandi Ahmad Marabdi Siregar Ahmad Syuhada Al-Khowarizmi, AK Arie Pranata Asfiati, Sri Barus, Syahputra Bintoro, Suryanto Agung Br. Sembiring, Adelia Febrina Budi Dharma Chandra A Siregar Edi Saputra Edi Widodo Efrida, R F, Fadhlurrohman Fahrizal Zulkarnain Fajar Ramadhan, Fajar Fauzan, RD Fetra Vanny Riza Fonna, Syarizal FRAPANTI, SRI FRAPANTI,ST,MT Gultom , Muhammad Husin Gustina Siregar Habib Satria Hadi Sucipto, Hadi Harahap, Jagodang Harahap, Muhammad Alwi Ripay Harahap, Partaonan Hasanul Arifin Hayulina Manurung, Yayuk Hermansyah Hermasnyah Huzni , Syifaul Indra Roza Iqbal Tanjung Khairul Umurani khairul umurani Lila Bismala Lubis , ‪Riadini Wanty Mahjudin, Mahyunirsyah Maulidin, Maulidin Muhammad Refan Muharnif M Munawar Alfansury Airegar Mustar, Muhamad Yusvin Nurdin Hendri Octariza, Gintara Oktrialdi, Benny Pasaribu, Faisal Irsan Pratama, Riza Fauzi Putera, Tondi Amirsyah Putra, Mhd Irwansyah Putra, TA Putra, Teuku Edisah Putra, Yudha Andriansyah R, Rohana Rahmadiawan, Dieter Rahmatullah . Rahmatullah . Rahmatullah Rahmatullah Refan, Muhammad Rimbawati Rizki Ananda Rohana Rohana Rudi Kurniawan Ruztamreen Bin Jenal S, Dendi Saputra, Andrea Saragi, Jandri Fan HT Siregar, Chandra A Siregar, Chandra Amirsyah Putra Siregar, Rahmat Fauzi Sudirman Lubis Syaiful Amri Saragih Syarizal Fonna Syifaul Huzni Tanjung, Iqbal Tanjung, Iqbal Tino Hermanto Umurani, K Veranita, Veranita Wahyudi, Fauzi S Wawan Septiawan Damanaik Wawan Septiawan Damanik Yayuk Hayulina Manurung Yopan Rahmad Aldori Yudha Andriansyah Putra Z. Fuadi Zahrul Fuadi Zufri, M Sayid Zulfani, M