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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) International Journal of Advances in Applied Sciences International Journal of Evaluation and Research in Education (IJERE) Tekno : Jurnal Teknologi Elektro dan Kejuruan Jurnal Pendidikan Vokasi Jurnal Edukasi Elektro Jurnal Pendidikan Teknologi dan Kejuruan Bulletin of Electrical Engineering and Informatics Journal of Education and Learning (EduLearn) Jurnal Teknologi Pendidikan Jurnal Pendidikan dan Pemberdayaan Masyarakat Jurnal Pembelajaran Fisika Jurnal Informatika dan Teknik Elektro Terapan ELINVO (Electronics, Informatics, and Vocational Education) Emitor: Jurnal Teknik Elektro JUPITER (Jurnal Pendidikan Teknik Elektro) VOLT : Jurnal Ilmiah Pendidikan Teknik Elektro INTECOMS: Journal of Information Technology and Computer Science SENTIA 2016 Journal on Education Building of Informatics, Technology and Science Journal of Vocational Education Studies Indonesian Journal of Electrical Engineering and Computer Science JPTE: Jurnal Pendidikan Teknik Elektro Teknika Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Sadewa: Publikasi Ilmu Pendidikan, Pembelajaran dan Ilmu Sosial Jurnal Sains dan Teknologi Jurnal Pengabdian Dinamika Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Mustofa Abi Hamid
Universitas Sultan Ageng Tirtayasa
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Preventive Maintenance Chip Mounter Machine Juki Ke-2070m di PT. Global Jaya Elektronik Taufik Alfiansyah; Mustofa Abi Hamid
Jurnal Sains dan Teknologi Vol. 3 No. 2 (2024): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v3i2.654

Abstract

SMT (Surface Mount Technology) is an automatic technology used in the installation of electronic components on a PCB (Printed Circuit Board). There are 3 stages in the manufacture of PCB boards with SMD components, namely Solder Paste, Chip Mounter Machine and Reflow Oven. Chip Mounter Machine is equipment used in the installation of SMD components on a PCB board or can be called a Pick and Place machine. This Chip Mounter Machine is an important piece of equipment in the SMT line, because this machine is the axis in the production of PCB board modules. Therefore, maintenance is carried out to maintain this Chip Mounter Machine so that it can continue to be used. The maintenance carried out is preventive maintenance or preventive maintenance, which aims to prevent unexpected damage to the machine and determine the conditions that cause damage to the machine when the machine is operating. Preventive maintenance carried out includes inspection, cleaning and repair of equipment that is carried out in a planned manner within a certain period of time.
Proses Produksi Polymer Sebagai Proteksi Sistem Jaringan Distribusi Tegangan Menengah di PT. Powerindo Prima Perkasa Marcel Ade Satria; Mustofa Abi Hamid
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v4i1.4757

Abstract

The medium voltage distribution network system is an integral part of the process of transmitting electrical energy from the substation to consumers. This transfer aims to supply electricity for daily use by consumers and can also be applied in industrial environments. The importance of electricity in modern development makes it a critical element; if a power outage occurs, our activities will be disrupted. Therefore, protection is needed within the medium voltage distribution network system to safeguard against damage to the network infrastructure, which could lead to power outages. To reduce the occurrence of such issues, protective components have been developed to protect the medium voltage distribution network facilities, ensuring the safety of consumers from the 24kV medium voltage distribution system, which could be fatal in case of direct contact.
Sistem Kendali Material Handling Doors Operation Menggunakan PLC Siemens S7-300 pada Mesin Furnace Area Bar Mill di PT. Krakatau Baja Kontruksi Fredy Kusuma Nugraha; Mustofa Abi Hamid
Jurnal Sains dan Teknologi Vol. 3 No. 2 (2024): Desember : Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/saintek.v3i2.677

Abstract

Material handling is a form of transportation or conveyance carried out in an industrial company environment. This activity involves moving raw materials, semi-finished goods, or finished goods from the location of origin to a predetermined location. One of the material handling is Doors operation which is located in the furnace machine section which functions as a gate to release a billet that has been heated. In Material Handling, especially in doors operation, an automatic control system using a Programmable Logic Controller is needed. The type of PLC used is the Siemens S7-300 PLC. With the method of observation (observation) in the field of all the equipment that is done and with the literature study can be known material handling control system, especially doors operation. From the results of research on material handling doors operation, it can be seen that this control aims as a gate to release a billet either by remote control or direct control, so that billets that have been heated to a temperature of 1200 degrees can come out effectively and will go to several stands to be printed. All stages in material handling, especially doors operation, can be monitored on the CCTV screen and HMI (Human Machine Interface).
Lesson learned from vocational training center as a school-to-work transition program in Indonesia Hamid, Mustofa Abi; Siswantoyo, Siswantoyo; Gunadi, Gunadi; Setiawan, Dedi; Mutiara, Indra; Martias, Martias; Ismail, Affero
International Journal of Evaluation and Research in Education (IJERE) Vol 14, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijere.v14i2.31142

Abstract

The objective of this study is to assess the effectiveness of the refrigeration technology training program at the vocational training centers (VTCs) by employing the context, input, process, product, and outcome evaluation approach. This study is classified as evaluative research, employing a qualitative description approach. Data collecting employs several approaches such as observation, interviews, and documentation. The primary informants in this study included the head of the VTC, the organizer of the VTC, the instructor of the refrigeration technology training, and the participants of the refrigeration technology training. Triangulation methods are employed to guarantee the accuracy and reliability of the data. The findings indicate that the setting, process, and product elements can be categorized as satisfactory, while the input and outcome aspects remain in the poor category. To increase employment and reduce unemployment, this split air conditioning training can be expanded by strengthening program components in the input aspect, particularly facilities, and infrastructure, as well as in the output aspect.
Local wisdom-infused experiential learning and its effects on reading literacy: a meta-analysis Huda, Tiyas Abror; Setiyadi, Ag. Bambang; Haenilah, Een Yayah; Rusminto, Nurlaksana Eko; Sinaga, Risma Margaretha; Hamid, Mustofa Abi
Journal of Education and Learning (EduLearn) Vol 19, No 3: August 2025
Publisher : Intelektual Pustaka Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/edulearn.v19i3.22069

Abstract

Numerous meta-analysis studies have been undertaken on the topic of culturally embedded learning. Insufficient study has been undertaken on culturally integrated learning as a means to enhance reading abilities. The objective of this study is to assess and evaluate the impact of learning enriched by local culture on reading proficiency. This research was conducted using meta-analysis. The document search conducted using Google Scholar yielded 14 document papers published between 2019 and 2023. The research design included a contrast group with random effects model, incorporating a corrected effect size. The investigation employed Jeffreys’s Amazing Statistics Program (JASP) software to compute means aggregate errors, generate forest plots, and assess publication bias. The research reported a statistically significant difference (SE=2.091) between the groups that used local knowledge and standard methods in the learning process. The findings also indicated that incorporating local culture has a significant and favorable impact (with a p value of less than 0.05, namely 0.001) on reading proficiency. This demonstrates that incorporating local culture into the learning process is successful in enhancing students' reading proficiency. Therefore, this study recommends that teachers incorporate local culture as a subject in their teaching to enhance students' reading proficiency.
Enhancing artificial neural network performance for energy efficiency in laboratories through principal component analysis Desmira, Desmira; Bakar, Norazhar Abu; Hamid, Mustofa Abi; Hakiki, Muhammad; Ismail, Affero; Fadli, Radinal
International Journal of Advances in Applied Sciences Vol 14, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i2.pp310-321

Abstract

This study investigates energy efficiency challenges during laboratory activities. Inefficient energy use in the practicum phase remains a critical issue, prompting the exploration of innovative forecasting models. This research employs artificial neural network (ANN) models integrated with principal component analysis (PCA) to predict energy consumption and optimize usage. The findings reveal that PCA components, including eigenvalues, eigenvectors, and matrix covariance values, significantly influence the ANN model's performance in forecasting energy production. The ANN training achieved a high correlation coefficient (R=1) with a mean squared error (MSE) of 0.045931 after 200,000 epochs, demonstrating the model's robustness. While testing results showed a moderate correlation (R=0.46169), the models demonstrated potential for refinement and scalability. This integration of ANN and PCA models provides a reliable framework for accurately forecasting energy usage, offering an effective strategy to enhance energy efficiency in laboratory settings. By optimizing energy consumption, this approach has the potential to reduce operational costs and environmental impact. The strong performance metrics highlight the practical utility of these models in educational contexts, contributing to sustainable energy management and better resource allocation. Furthermore, the reduction in energy-related environmental impacts underscores the broader applicability of these models for fostering sustainable development in similar contexts.
Co-Authors Abdurrahman, A. Affero Ismail, Affero Ag. Bambang Setiyadi Akhinov, Ihsan Auditia Alamsyah Alamsyah Alif Kautsar Ambiyar, Ambiyar Anggraeni, Destri Apriliano Chandra Diva Aula Rizqiyana Bakar, Norazhar Abu D. Desmira D. Desmira Darmawan, Ilham Akbar Dedi Setiawan Desmira Desmira Desmira Desmira, Desmira Didik Aribowo Didik Aribowo Didik Aribowo Didik Aribowo Didik Aribowo Didik Aribowo Dimas Aditama Djejen Nahrowi Doni Oktaviana Een Yayah Haenilah Endi Permata Endi Permata Endi Permata Endi Permata Fadli, Radinal Fatkhurrohman, M. Fera Puspitasari Fredy Kusuma Nugraha Gunadi Gunadi Hakiki, Muhammad Hardiansyah, Rudi Hijroh Tamamil Gina I Dewa Putu Nyeneng Ilham Effendy Indra Mutiara, Indra Irwan Syah Irwanto Irwanto Juanda Mitra Situmeang Lely Yuliawati Lely Yuliawati Lilis Noviawati M. Ashof Azria Azka M. Sukarno M.Fatkhurokhman M.Fatkhurokhman Maman Hidayaturrohman Marcel Ade Satria Martias Martias Martias Martias Mochamad Bruri Triyono Mohammad Fatkhurrokhman Mohammad Fatkhurrokhman Mohd Ruzaini Hashim Muhammad Amir Baihaqi Muhammad Nurtanto Muhammad Reza Nugraha Mulyono, Raden Sugeng Nahrowi, Djejen Norazhar Abu Bakar Norazhar Abu Bakar Nur Kholifah Nurhasan Syah Nurlaksana Eko Rusminto Nuur Wachid Abdul Majid Okky Sudirman Permata, Endi Pertiwi, Devi Puji Pangestu Purwanti, Bernadeta Siti Rahayu Putu Sudira Ratna Ekawati Rian Raina Pertiwi Rini Anggraini Risma Margaretha Sinaga Rizqillah, Muhamad Aqil romi wiryadinata Siswantoyo Subramaniam, Tamil Selvan Sunardi Sunardi Tarkul Hammi Taufik Alfiansyah Tb. Ai Munandar Tiyas Abror Huda, Tiyas Abror Triani Wahyuningsih Undang Rosidin Wahyuni, Arum Widya Dwi Agustin Yasmiri Yasmiri Yasmiri, Yasmiri