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All Journal Rekayasa Mesin Proceeding of the Electrical Engineering Computer Science and Informatics Journal of Energy, Mechanical, Material and Manufacturing Engineering Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin Indonesia JTTM: Jurnal Terapan Teknik Mesin Kreator National Multidisciplinary Sciences Trends in Mechanical Engineering Research Jurnal Abdimas Mahakam
Hery Tri Waloyo
Universitas Sultan Ageng Tirtayasa
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics Social Sciences Other

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Proses Produksi Soft Magnetic Composite (SMC) Berbahan Dasar Fe Waloyo, Hery Tri; Firmansyah, Muhammad Gilang; Setiyawan, Khanif; Mujianto, Agus
Jurnal Teknik Mesin Indonesia Vol. 20 No. 1 (2025): Vol. 20 No. 1 (2025): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v20i1.765

Abstract

This study discuss in various production methods of iron-based Soft Magnetic Composite (SMC) and to identify the most effective production. The increase in carbon emissions and the need for alternative energy drive the development of electromagnetic technology, including the use of SMC in electric motors. The method used in this study is a literature review, by reviewing relevant articles from national and international journals. The results of the study indicate that traditional production methods and Additive Manufacturing (AM) are the two main methods used in SMC production. Among these methods, the traditional production method with Powder Metallurgy (PM) technology proved to be more effective in producing SMC with better quality and more efficient production processes. This research provides in-depth insights into various SMC production techniques and can serve as a foundation for future research in the development of electromagnetic materials.
PREVENTIVE MAINTENANCE OF THE GATE VALVE MOV 30, UNIT 7, AT PT. INDONESIA POWER SURALAYA PGU Haafizh, Husain; Erwin, Erwin; Yusuf, Yusvardi; Setiawan, Ipick; Susilo, Sidik; Waloyo, Hery Tri; Jannah, Miftahul
Trends in Mechanical Engineering Research Vol 3, No 01 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34124

Abstract

One of the important components in the power generation process at the Suralaya PGU PLTU is the Gate Valve. The MOV 30 Gate Valve is a valve that functions to regulate the flow of steam gas from the extraction steam to the blow down tank. Preventive maintenance on the MOV 30 Gate Valve unit 7 aims to prevent unwanted damage, reduce the risk of failure, and ensure that the device operates with maximum efficiency. With proper preventive maintenance, PT Indonesia Power hopes to avoid disruptions in power generation operations, minimize downtime, and extend the operational lifespan of the equipment. Damage to a gate valve can be caused by several factors, including excessive pressure in the valve flow, high temperatures passing through the valve, and friction forces when opening and closing the valve.
OPTIMIZATION OF TENSILE STRENGTH OF EMPTY OIL PALM FRUIT BUNCH FIBER REINFORCED COMPOSITES USING GENETIC ALGORITHMS Rahim, Abdul; Mujianto, Agus; Feriyanto, Richie; Waloyo, Hery Tri
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1898

Abstract

The use of natural materials such as oil palm empty fruit bunch fibers can provide a solution to increase value-added and manage plantation waste. Fibers are combined with a matrix to create composite materials. Instead of glass fibers, environmentally friendly natural fibers serve as the reinforcement in the composite material. Implementing natural fiber composites must consider the primary construction requirement, which is tensile strength. Artificial intelligence like genetic algorithms (GA) can simplify and reduce costs in the search for optimal values in composite material engineering. Data is obtained through experimental testing prepared samples and subsequently used as input for GA. The input parameters consist of three variables such as soaking time, volume fraction, and fiber length. The output of the optimization process is tensile strength. The maximum tensile strength has already been achieved with genetic crossover by the 125th generation. Based on GA calculations, the optimal parameters obtained are soaking time of 6.2 hours, volume fraction of 29.6%, and fiber length of 6.9 cm. The predicted optimal tensile strength value is 4.78 MPa.
SOFT MAGNETIC COMPOSITE (SMC) ANALISIS DENGAN BIBLIOMETRIC Waloyo, Hery Tri; Kurniawan, Krisna Budi; Ahmad, Fauzi; Putra, Ferdiansyah; Fauzan, M. Afif; Firmansyah, Muhammad Gilang; Mujianto, Agus
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1917

Abstract

Soft Magnetic Composite (SMC) is a composite material made by binding iron (Fe) powder with non-magnetic materials such as epoxy resin. The main properties of SMC, which have high electrical resistance yet can efficiently conduct magnetic fields, make it a primary choice for various applications that require efficiency, reliability, and high performance. Extensive research has been conducted on SMC, making it necessary to perform a bibliometric analysis to categorize and observe developments in SMC research. The main objectives of this study are to understand patterns in scientific publications, identify the most productive research developments, determine research linkages, and identify collaboration networks related to SMC. A total of 1067 documents, 347 sources, and 2113 authors were recorded in the Scopus database between 2005 and 2024. The number of article publications has increased annually by 4.36%. China is the most productive country and also has the most extensive international collaboration networks. The majority of publications are published in journals with specific topics, primarily focusing on magnetics and magnetic materials.
Integrasi PLTS Portabel "Silangat Power" Untuk Pengisian Daya Perangkat Elektronik di Dusun Masaping, Loa Duri Ulu Kabupaten Kutai Kartanegara Arbansyah; Naufal Azmi Verdikha; Muhammad Taufiq Sumadi; Hery Tri Waloyo; Muhammad Fauzan Nur Ilham
Jurnal Abdimas Mahakam Vol. 8 No. 02 (2024): Juli
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/jam.v8i02.3003

Abstract

Desa Masaping dan Desa Loa Duri Ulu di Kecamatan Loa Janan, Kabupaten Kutai Kartanegara, menghadapi tantangan dalam mengakses listrik yang stabil, yang berdampak pada keterbatasan penggunaan perangkat elektronik yang semakin diperlukan untuk meningkatkan kualitas hidup masyarakat. Untuk mengatasi masalah tersebut, program ini mengusulkan integrasi Pembangkit Listrik Tenaga Surya (PLTS) portabel sebagai solusi energi terbarukan yang dapat diandalkan dan ramah lingkungan. PLTS portabel ini akan diintegrasikan dengan teknologi Internet of Things (IoT) untuk memonitor dan mengoptimalkan penggunaan energi secara efisien. Tujuan utama dari program ini adalah menyediakan sumber energi alternatif yang dapat digunakan oleh masyarakat untuk mengisi daya perangkat elektronik, serta memberikan edukasi mengenai penggunaan teknologi energi terbarukan dan IoT. Metode pelaksanaan meliputi identifikasi kebutuhan energi, instalasi dan pengujian PLTS portabel, serta sosialisasi kepada masyarakat mengenai operasional dan pemeliharaan sistem. Dengan adanya program ini, diharapkan masyarakat Desa Masaping dan Desa Loa Duri Ulu dapat memperoleh akses energi yang lebih stabil dan mandiri, meningkatkan efisiensi penggunaan perangkat elektronik, serta meningkatkan kesadaran akan pentingnya energi terbarukan dan teknologi IoT. Evaluasi keberhasilan program akan dilakukan melalui pengukuran tingkat penggunaan energi, kepuasan masyarakat, serta keberlanjutan operasional sistem PLTS portabel.
Sebuah Studi Evaluasi Non-Destruktif pada Las Keliling (Circumferential Weld) pada Shell Menara Turbin Angin Menggunakan Magnetic Particle Testing Hery Tri Waloyo; Saeful Bahri
Kreator Vol. 13 No. 1 (2026): Kreator
Publisher : P3M Politeknik Negeri Media Kreatif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46961/kreator.v13i1.2013

Abstract

Welding is one of the most important processes in the fabrication of wind turbine tower structures, particularly in the circumferential weld joints of the shell section. The quality of the welded joint greatly determines the structural strength and operational reliability of wind turbines. This study aims to detect welding defects in circumferential weld joints of wind turbine tower shells using the Magnetic Particle Testing (MPT) method. The testing method employed is the wet visible type of MPT, which is a non-destructive testing technique used to identify surface and near-surface defects in ferromagnetic materials. The inspection process was conducted on a circumferential weld joint on a wind turbine tower shell. The inspection results revealed several indications of welding defects in the weld area, including cracks, porosity, and slag inclusions. The presence of these defects has the potential to reduce the quality and strength of the welded joint in the wind turbine tower structure. Therefore, corrective actions are required in the areas where defects were detected to ensure structural integrity and prevent potential component failure. This study demonstrates that Magnetic Particle Testing is an effective initial inspection technique for detecting defects in welded joints of wind turbine tower structures.
COMPARATIVE EVALUATION OF SERIES–PARALLEL HYBRID ARCHITECTURES FOR GASOLINE COMPRESSION IGNITION HEAVY-DUTY VEHICLES Hery Tri Waloyo; Agus Mujianto
Trends in Mechanical Engineering Research Vol 3, No 2 (2025): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i2.36354

Abstract

The wede168 growing demand for sustainable propulsion in heavy-duty transport has intensified research on Gasoline Compression Ignition (GCI) engines integrated with hybrid powertrains. This review presents a comprehensive comparative evaluation of series–parallel hybrid architectures for GCI-powered heavy-duty vehicles, emphasizing energy efficiency, combustion stability, and emission performance. This study systematically analyzed publications from the SAE, IEEE, Elsevier, and Springer databases, published between 2015 and 2025, through a rigorous peer-reviewed selection framework. The results show that series–parallel configurations provide better power distribution between the GCI engine and the electric motor, achieving 8–15% higher fuel-to-wheel efficiency than conventional diesel hybrids. Thermal–energy coupling models improve heat management and combustion consistency, reducing NOx and particulate emissions by up to 45%. Additionally, the use of deep reinforcement learning (DRL) and model predictive control (MPC) enhances adaptive energy management under varying load conditions. However, challenges remain in maintaining combustion stability during transient operations and optimizing hybrid mode transitions. Overall, this review identifies the series–parallel GCI hybrid architecture as a promising intermediate technology bridging conventional diesel systems and future zero-emission solutions, particularly for long-haul and urban heavy-duty applications.
Co-Authors ., Inayati Abdul Rahim Abdul Rahim Agus Mujianto Agus Mujianto Agus Mujianto Ahmad, Fauzi Akbar Ramadhan, Muhaimin Andi Nugroho Andi Nugroho, Andi Anis Siti Nurrohkayati Arbansyah Arbansyah Binyamin Binyamin, Binyamin Erwin, Erwin Fajar David Aminuddin Fauzan, M. Afif Ferdiansyah Putra Feriyanto, Richie Firmansyah, Muhammad Gilang Haafizh, Husain Ilham, Muhammad Fauzan Nur Inayati . Jannah, Miftahul Khanif Setiyawan Kurniawan, Krisna Budi Muhammad Fauzan Nur Ilham Muhammad Nizam Muhammad Taufiq Sumadi Mujianto, Agus Naufal Azmi Verdikha Nizam, Muhammad Nur Prapanca, Agusti Perdinaresa, Gredino Ramadhani, Reza Saeful Bahri Setiawan, Ipick Sudirman Sudirman Susilo, Sidik Syam Ramadhani Saputra Yusuf, Yusvardi