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All Journal SPEKTRUM INDUSTRI BAREKENG: Jurnal Ilmu Matematika dan Terapan International Journal of Engineering, Technology and Natural Sciences (IJETS) Indonesian Journal of Computing, Engineering, and Design Majalah Ilmiah UPI YPTK Jurnal Pengabdian Masyarakat Dharma Andalas Jurnal Teknologi Konsienti: Community Services Journal Ambidextrous : Journal of Innovation, Efficiency and Technology in Organization
Nanang Fatchurrohman
Universitas Putra Indonesia YPTK Padang
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Product Development and Innovation using Alternative Material Fadli, Izzil; Fatchurrohman, Nanang
Jurnal Teknologi Vol. 14 No. 2 (2024): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jitekin.v14i2.125

Abstract

Rattan as an alternative material in product, has a significant resource for personal use and commercial activities in Indonesia, particularly in West Sumatra. Initially, its trade focused on raw materials and semi-finished products, but it later evolved into the production and distribution of finished rattan goods, managed primarily by wholesalers in the region. Beyond rattan processing, finished rattan products have been extensively marketed. In recent years, rattan's application has expanded into the realm of interior design, finding use in furniture and interior accessories. Alongside natural rattan, synthetic rattan has emerged as an alternative material, created using synthetic base materials to serve as substitutes. This innovation originated from efforts by the government and artisans to address material shortages while promoting environmental sustainability. Synthetic rattan offers versatility in texture, color, and shape, making it easy to combine with other materials such as aluminum and iron. Despite the traditional perception of rattan furniture, particularly chairs, as outdated, synthetic rattan furniture has gained popularity due to its adaptability to modern design trends. Craftsmen have developed synthetic rattan chairs in various styles, catering to evolving tastes and preferences. These products are increasingly utilized to meet the high demand for diverse designs in the interior design industry. To better understand this growing trend, qualitative research has been conducted to explore the expanding role of rattan—both natural and synthetic—in interior design and its implications for production and trade.
Latest Development of Molded Inductor in Terms of Improvements in Material Options and Manufacturing Process Fatchurrohman, Nanang; Ishak, Ismayuzri
Jurnal Teknologi Vol. 15 No. 1 (2025): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jitekin.v15i1.138

Abstract

This paper presents a comprehensive review of the development of molded inductor technology, emphasizing its advantages over conventional inductors. Molded inductors have emerged as a critical component in modern electronic systems due to their superior performance in high-temperature environments, high power density, compact design, and enhanced mechanical integrity. These benefits are largely attributed to the unique construction process, in which the magnetic core is molded directly around the wire and lead frame, eliminating the need for pre-fabricated cores. Such an approach results in improved structural strength and electrical efficiency. In addition to exploring the technological superiority of molded inductors, the paper examines their current applications across various industries. These include the automotive sector, power electronics, industrial automation, and consumer devices, where the demand for miniaturized yet powerful and reliable components continues to grow. The discussion then shifts to the current manufacturing processes employed in producing molded inductors. This includes automated coil winding, precision molding using magnetic powder and resin mixtures, and post-molding treatments such as heat curing and surface finishing. the paper concludes with practical recommendations for manufacturers. These include adopting automated production lines, implementing stringent quality control and testing protocols. Such strategies are essential for staying competitive in a rapidly evolving technological landscape and meeting the rising expectations for performance, reliability, and sustainability in electronic components.
Strategi Implementasi Keselamatan dan Kesehatan Kerja (K3) di Pelaku UMKM Pembuatan Minyak Gaharu Lubuk Begalung Padang Sumatera Barat Fatchurrohman, Nanang; Farid, Mohammad; Yenni, Zefri; Dewi, Alfita
Jurnal Pengabdian Masyarakat Dharma Andalas Vol 4 No 1 (2025): Jurnal Pengabdian Masyarakat Dharma Andalas
Publisher : LPPM Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpmda.v4i1.2166

Abstract

The Micro, Small, and Medium Enterprises (MSMEs) engaged in agarwood oil production in Lubuk Begalung, Padang, West Sumatra, represent a type of natural resource-based business that involves a relatively high level of occupational risk. These risks primarily arise during the extraction and processing stages of agarwood, which involve high-temperature operations, pressurized processing equipment, and potential exposure to chemical substances. Preliminary observations conducted by the community service team revealed that business owners lack sufficient understanding and implementation of Occupational Health and Safety (OHS) principles. This condition poses a significant threat of workplace accidents, reduces productivity, and may disrupt the continuity of business operations. To address this issue, the community engagement team implemented a structured OHS program comprising three key components: the introduction and use of personal protective equipment (PPE), the enforcement of safe work procedures, and the cultivation of a healthy and safe workplace culture. This initiative was designed using a participatory approach to ensure that it would be easily understood and adopted by MSME stakeholders. The results of the program indicate a marked increase in awareness and adherence among business operators regarding personal protection and workplace safety during operational activities. Through this implementation, it is expected that a safer, more comfortable, and productive work environment will be established, thereby supporting the sustainability of the agarwood oil production business.
TAGUCHI METHOD APPLIED FOR THE INVESTIGATION OF CORROSION LEVEL ON METAL INERT GAS WELDING OF MILD STEEL Fatchurrohman, Nanang; Chin, Low Tze; Na’am, Jufriadif
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 16 No 3 (2022): BAREKENG: Journal of Mathematics and Its Applications
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (577.915 KB) | DOI: 10.30598/barekengvol16iss3pp845-852

Abstract

Mild steel has a wide range of uses such as in the construction field, automotive field, machinery industry, cookware, and pipeline. Metal Inert Gas (MIG) welding act as an assembly method of mild steel. Corrosion level is a common problem that occurs in MIG welding on mild steel. In this study, the suitable welding parameters such as voltage, number of passes, and method of welding were chosen in the experimental testing and the experimental testing was planned by using the Design of Experiment (DoE) as part of Taguchi method. The welded mild steel specimens were evaluated using a corrosion test. The data analysis was done by using Taguchi method. For the parameter to be the optimum welding parameter, the corrosion level was as low as possible. In this case, the S/N ratio smaller is better common interest is chosen. By using the Minitab 18 software, the S/N ratio was calculated. Hence from the result, the optimum parameter is 9V voltage, three passes and the welding method was circle push.
Perancangan dan Pengembangan Produk Baru Kerajinan Lokal di Kampung Akrilik Fatchurrohman, Nanang; Yetrina, Mutiara; Farid , Mohammad
Majalah Ilmiah UPI YPTK Vol. 30 (2023) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jmi.v30i2.153

Abstract

Permasalahan yang terjadi di Kampung Kerajinan Akrilik Gunung Pangilun Kota Padang atau yang kita disingkat dengan Kampung Akrilik adalah belum optimalnya pemasaran produk, terutama disebabkan oleh kurangnya variasi produk yang ditawarkan. Menghadapi permasalahan tersebut, tim kami merasa tertantang untuk berkontribusi dengan membantu mengidentifikasi potensi produk baru yang dapat dikembangkan di desa ini. Dengan pemahaman ini, kami membimbing para perajin untuk fokus mengembangkan produk yang sesuai dengan kebutuhan dan preferensi calon pembeli. Selain itu, kami juga mengidentifikasi bahan baku dan peralatan yang diperlukan untuk menciptakan produk baru yang telah diidentifikasi sebelumnya. Setelah produk baru teridentifikasi, langkah selanjutnya adalah menyelenggarakan proses sosialisasi. Sosialisasi ini mencakup teknik pembuatan produk baru, seperti 3D Printing. Tujuan dari kegiatan Pengabdian kepada Masyarakat (PkM) ini adalah untuk mengembangkan produk kerajinan akrilik baru yang inovatif dan dapat meningkatkan perekonomian masyarakat setempat. Langkah pertama adalah mengidentifikasi potensi produk baru yang dapat dikembangkan. Tim telah mengidentifikasi bahwa permasalahan yang dihadapi adalah belum adanya pengembangan produk dengan desain baru. Dengan mempertimbangkan permasalahan tersebut, Tim Pengabdian kepada Masyarakat memutuskan untuk memperkenalkan teknologi pencetakan 3 dimensi yang lebih dikenal dengan sebutan 3D Printing. Dengan teknologi ini, produk plastik dapat dikembangkan sesuai permintaan pelanggan. Pelanggan yang disasar adalah remaja – dewasa. Kelompok ini mempunyai wawasan teknologi yang sangat tinggi. Dengan adanya kegiatan PkM ini, kami berharap dapat merevitalisasi produktivitas di Kampung Akrilik. Kami bertujuan untuk membantu masyarakat lokal dalam meningkatkan penjualan produk mereka dan mencapai peningkatan volume penjualan. Hasil yang nyata telah dicapai yaitu perancangan dan pengembangan produk gantungan kunci yang dibuat melalui teknik 3D Printing.  Hasil ini menandakan bahwa para pengrajin sangat antusias untuk mengeksplorasi kemungkinan 3D Printing dalam kerajinan mereka. Mereka berbagi ide tentang penggunaan 3D Printing untuk membuat desain akrilik.
From Corn to Cassava: Unveiling PLA Origins for Sustainable 3D Printing Fatchurrohman, Nanang; Muhida, Rifki; Maidawati
Jurnal Teknologi Vol. 13 No. 2 (2023): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jitekin.v13i2.101

Abstract

The focus of this paper is to review the polylactic acid (PLA) sourcing for 3D printing and investigating with a specific emphasis on corn starch, sugarcane, and cassava starch. PLA is recognized for its biodegradable nature and versatility as a thermoplastic, has witnessed a notable evolution in the global context of material selection for 3D printing. While regions such as the United States and Canada have traditionally derived PLA from corn starch, there is a growing trend in Asia where cassava starch have emerged as prominent alternatives. This study seeks to discover the complexities of the of PLA origins, looking into the sustainability considerations that contribute to the selection of source materials. By shedding light on the diverse trajectories of PLA sourcing, this study provides valuable insights into the ever-changing dynamics of material preferences for 3D printing on a worldwide scale. Moreover, the understandings generated through this study are composed to play a pivotal role in shaping the trajectory of future practices in additive manufacturing. As the industry continues to evolve and grapple with the imperative of environmental responsibility, a nuanced understanding of the sustainability dimensions of PLA sourcing becomes a compass guiding researchers, practitioners, and manufacturers toward ecologically sound choices. Ultimately, the study serves as a valuable resource, empowering participants to navigate the complex landscape of PLA-based 3D printing with a thorough judgement on sustainability, thereby fostering a more environmentally responsible future for additive manufacturing.
Performance Analysis of Regular and Irregular Horizontal Multi-Story Buildings Structure Fernando, Figo; Sahputra, Deded Eka; Fatchurrohman, Nanang
Indonesian Journal of Computing, Engineering, and Design (IJoCED) Vol. 7 No. 2 (2025): IJoCED
Publisher : Faculty of Engineering and Technology, Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/ijoced.v7i2.554

Abstract

This study investigates the effect of building shape on seismic performance in earthquake-prone areas such as Padang City. Using the Indonesian seismic standard SNI 1726:2019, three multi-story reinforced concrete buildings were modeled: a square (regular), a rectangular (regular), and an irregular plan. The analysis focused on internal forces, base shear, displacement, and drift ratio to evaluate differences in structural response. Results show that buildings with horizontal irregularities experience higher internal forces and displacements. The bending moments in irregular buildings are 4.84% higher than in rectangular buildings and 10.07% higher than in square buildings. Base shear is 1.53% and 3.04% higher, respectively. The maximum displacement differences reach 0.93 m (X direction) and 0.54 mm (Y direction). The average drift ratio in the X direction is about 0.56% for all models, while square-shaped buildings show smaller Y-direction drift. These findings highlight that plan irregularities significantly influence seismic performance, providing insights for safer structural design in seismic regions.
Community Empowerment in MSME Craft Production Based on Conventional Method and Innovation with 3D Printing Yetrina , Mutiara; Fatchurrohman, Nanang; Farid , Mohammad; Apri Pratama, Dian
Majalah Ilmiah UPI YPTK Vol. 32 (2025) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jmi.v32i2.184

Abstract

Micro, Small, and Medium Enterprises (MSMEs) play a strategic role in the economic growth of Padang City, particularly in the handicraft sector, which represents both cultural identity and a vital source of local economic activity. However, technological limitations and low production efficiency remain major obstacles to improving the competitiveness of local crafts in the global market. This Community Service Program (PkM) aims to integrate 3D printing technology with conventional production methods as an effort to enhance product quality, efficiency, and design innovation. The implementation method includes identifying the potential and challenges faced by artisans, conducting training on the use of 3D printing, and providing mentoring in the design and production processes. This approach combines the artistic touch and craftsmanship of conventional manual techniques with the precision and speed of digital technology. The results show an improvement in artisans’ ability to utilize digital technology for prototyping and developing new designs that are more responsive to market trends. Furthermore, the training and equipment facilitation support continuous knowledge transfer, strengthening the innovation capacity and independence of MSMEs. The combination of traditional skills and modern technology not only produces products with high aesthetic value but also opens opportunities for market expansion and increased economic value. Therefore, the application of 3D printing has proven to be an effective innovative solution for enhancing the competitiveness and sustainability of the local handicraft sector in the era of the digital creative industry.
Pelatihan Robotika dengan Memanfaatkan Teknologi Arduino Smart Robot Nanang Fatchurrohman; Rafki Imani; Zefri Yenni; Tonny Yuwanda
Konsienti : Community Services Journal Vol. 2 No. 02 (2024): July
Publisher : PT. TAKAZA INNOVATIX LABS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61536/konsienti.v2i02.61

Abstract

Kegiatan Pengabdian Kepada Masyarakat telah dilakukan oleh tim UPI-YPTK di Sekolah Menengah Kebangsaan Gudang Rasau (SMK SEGRA) di Pahang, Malaysia. Dalam kegiatan ini UPI YPTK juga berkolaborasi dengan Universitas Malaysia Pahang As Sultan Abdullah (UMPSA). Di sekolah SMK SEGRA, tim UPI-YPTK mengadakan pelatihan praktis yang bertujuan untuk meningkatkan keterampilan teknis dan pengetahuan ilmiah dalam bidang robotika. Pelatihan ini memanfaatkan teknologi Arduino Smart, yang dikenal memiliki aplikasi luas dalam pengembangan robotika. Dalam pelaksanaannya, kegiatan ini tidak hanya berfokus pada pengembangan keahlian teknis siswa, tetapi juga bertujuan untuk menginspirasi inovasi dan kreativitas. Siswa-siswa didorong untuk berpikir out-of-the-box dan mengembangkan aktivitas dari aspek teknis. Kerjasama antara UPI-YPTK, UMPSA dan SMK SEGRA ini tidak hanya menguntungkan dalam konteks pengabdian, tetapi juga memperkuat hubungan bilateral antara institusi pendidikan di Indonesia dan Malaysia. Ini membuka peluang untuk kolaborasi lebih lanjut di masa depan, baik dalam bentuk pertukaran pelajar, penelitian bersama, maupun proyek-proyek pengabdian lainnya. Dengan demikian, kegiatan pengabdian ini tidak hanya berperan dalam meningkatkan kualitas pendidikan dan pengetahuan teknis siswa, Pemanfaatan teknologi seperti Arduino Smart diharapkan dapat mendorong perkembangan inovasi.
Product Development using Rattan as an Alternative Material in Padang West Sumatera Ovi Lestari; Nanang Fatchurrohman; Mohammad Farid; Mutiara Yetrina; Ismayuzri Bin Ishak
Ambidextrous Journal of Innovation Efficiency and Technology in Organization Vol. 3 No. 01: Human-Centered Innovation and Digital Resilience: Rethinking People, Products, and Pe
Publisher : Takaza Innovatix Labs Ltd.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61536/ambidextrous.v2i01.102

Abstract

This investigation involved micro, small and medium enterprises (MSMES) engaged in home furniture manufacturing services. The conventional method used by these craftsmen usually uses tools that are easily available around us, using a woven or plaited system. Commonly used materials include Manau, bamboo, ropes and nails. This work is also said to pose a risk, because rattan, if it has been scraped or thinned to make it flexible, can endanger the craftsman. However, there are complaints from craftsmen who say that nowadays not many people want to use furniture made from handicrafts or from natural materials. People who have used a lot of home furniture made from various materials such as plastic, glass and others. In making this craft, a heating system is also used to heat the Manau with fire so that it can be easily bent to form parts of the craft framework.
Co-Authors Anggi Hidayat Anis Nabilah Binti Mamat Apri Pratama, Dian Chin, Low Tze Crefioza, Omia Deded Eka Sahputra Dewi, Alfita Fadli, Izzil Fernando, Figo Fitri, Meldia Gan Wei Kang Imani, Rafki Ishak, Ismayuzri Ismayuzri Bin Ishak M. Ilham Adelino Maidawati Meldia Fitri Mohammad Farid Muhammad Ilham Adelino Muhida, Rifki Mutiara Yetrina Na’am, Jufriadif Noto Dewantoro Ovi Lestari Rifki Muhida Rita Nasmirayanti Susriyati Yetrina , Mutiara Yetrina, Mutiara Yuli Panca Asmara Yuwanda, Tonny Zamzuri Hamedon Zefri Yenni Zefri Yenni Zuhairah Zulkfli