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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Reconfigurable and Embedded Systems (IJRES) International Journal of Applied Power Engineering (IJAPE) Majalah Ilmiah Teknologi Elektro The Journal of Experimental Life Sciences (JELS) Jurnal Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) JURNAL NASIONAL TEKNIK ELEKTRO Proceeding of the Electrical Engineering Computer Science and Informatics Arty: Jurnal Seni Rupa Jurnal SOLMA JURNAL MUQODDIMAH : Jurnal Ilmu Sosial, Politik dan Hummaniora Buletin LOUPE (Laporan Umum Penelitian) Indonesian Journal of Electrical Engineering and Computer Science International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Jurnal Kepastian Hukum dan Keadilan Andalasian International Journal of Applied Science, Engineering, and Technology Akuntansi'45 COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Andalas Journal of Electrical and Electronic Engineering Technology Jurnal Andalas: Rekayasa dan Penerapan Teknologi Jurnal Rekayasa elektrika JAMBIS : Jurnal Administrasi Bisnis Eduarts: Jurnal Pendidikan Seni
Syafii .
Electrical Engineering, Dept., Engineering Faculty, Universitas Andalas
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Neuroscience Social Sciences Other

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Uji Kekerasan (Hardness Test) Kayulapis Jenis Floorbase dengan Tiga Komposisi Finir dari Jenis Kayu Berbeda: Hardness Test of Floorbase Type Plywood with Three Finir Compositions from Different Wood Species Syafii, Syafii
Jurnal Loupe Vol 18 No 02 (2022): Edisi Desember 2022
Publisher : Jurusan Pertanian Politeknik Pertanian Negeri Samarinda Kampus Sei Keledang Jalan Samratulangi, Kotak Pos 192 Samarinda 75123

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/buletinloupe.v18i02.1817

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisis pengaruh komposisi finir dari tiga jenis kayu berbeda terhadap nilai kekerasan (hardness) kayulapis jenis floorbase. Jenis kayulapis ini begitu popular terutama di negara-negara yang banyak membangun rumah prevabrikan, seperti Jepang, Amerika dan Eropa. Floorbase umumnya berketebalan minimal 12 mm dengan jumlah finir penyusun minimal 5 lapis. Pengujian kekerasan kayulapis menggunakan metode uji Brinnel dengan tiga perlakuan. Perlakuan A-1 (kombinasi jenis lapisan finir face/back Meranti Merah, core Meranti Merah dan center core Meranti Batu), Perlakuan A-2 (kombinasi jenis lapisan finir face/back Meranti Merah, core Jelutung dan center core Meranti Batu), dan A-3 (kombinasi jenis lapisan finir face/ back, core dan center core semuanya dari jenis Meranti Merah (all Red Meranti). Rata-rata nilai kekerasan floorbase dengan ketebalan 12 mm perlakuan A-1 adalam 2700 N/mm2, A-2 sebesar 2500 N/mm2 dan perlakuan A-3 sebesar 2900 N/mm2. Ketiganya memberikan nilai rata-rata 2700 N/mm2 (≈ 270 kg/cm2). Sedangkan rata-rata nilai kekerasan floor base 14,5 mm dengan perlakuan A-1 adalah 3600 N/mm2, A-2 2600 N/mm2, dan perlakuan A-3 2200 N/mm2. Pada floorbase ketebalan 12 mm perbedaan komposisi lapisan finir dari jenis kayu berbeda tidak memberikan pengaruh terhadap nilai kekerasannya. Sedangkan pada floorbase 14.5 mm, komposisi lapisan finir dari jenis kayu berbeda memberikan pengaruh nyata terhadap nilai kekerasannya. Dan nilai kekerasan tertinggi ditunjukkan oleh kombinasi lapisan finir face/back Meranti Merah, core Meranti Merah dan center core Meranti Batu, dan nilai kekerasan terendah ditunjukkan oleh kayulapis dengan komposisi finir all Red Meranti.
Optimization of Thermal Power Plant Operations Using Genetic Algorithms Sapto Nisworo; Hasibuan, Arnawan; Syafii, Syafii
JURNAL NASIONAL TEKNIK ELEKTRO Vol 12, No 3: November 2023
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v12n2.1090.2023

Abstract

Accurate scheduling of capacity and operating time for electricity generation is intended to be able to determine the start and end periods of electricity generation operations and produce power output that can meet load requirements. In this research, the goal to be achieved is to know the existence of power plants when to start operating and when to stop operations and to minimize operational costs by dividing the value of the power that will be generated at each power plant. Genetic algorithms are applied to thermal power plant data patterns to design a scheduling plan. The process involves combining the six power generating units to be tested into three different samples. It was found that the total power load and total cost for Sample 1 was 78,109 MW and IDR 200,285, 66.26, Sample 2 was 74,497 MW and IDR 149,774,156.41, and Sample 3 was 78,681 MW and IDR 156,297,893, respectively. 08. This shows that the cost of sample 1 compared to sample 2 decreased by 25.22%, then in sample 2 when compared to sample 3 it increased by 4.17%. The data also shows that a higher number of generations results in lower costs. Therefore, genetic algorithms produce better solutions from one generation to the next.
A Systematic Review of Optimal Power Flow Studies with Renewable Energy Sources Penetration Maulana, Ricky; Syafii, Syafii
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 1 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i1.357

Abstract

The increasing penetration Renewable Energy Source (RES) in electrical power grid, the power system must minimize costs and comply with operational and safety requirements. Optimal power flow (OPF) contributes to this objective by determining the optimal control settings, satisfying system and safety constraints, and enhancing operational efficiency. A systematic review was conducted to assess how OPF studies have been evaluated in the literature. The review analyzed 64 journal articles to identify specific OPF studies from three perspectives: type of RES penetration, objective function, and method of OPF. The results indicate that (a) wind turbines are the most commonly used RES model in OPF studies, (b) cost function is the primary objective that the majority of research has considered, and (c) novel meta-heuristics have often been used in OPF methods under uncertain RES penetration. This systematic review identifies research gaps and topics for further research to study OPF with RES penetration. The findings are expected to benefit researchers in deciding the best OPF method under uncertain RES.
Analisis Strategi Pemasaran Dalam Membangun Brand Awareness Pada Usaha Mikro Kecil Menengah (Studi Kasus Pada Umkm Teras Jahe Pekayon Jaya Kota Bekasi) Syafii, Syafii; Prihadini, Diana
JAMBIS : Jurnal Administrasi Bisnis Vol. 4 No. 4: Agustus 2024
Publisher : JAMBIS : Jurnal Administrasi Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31334/jambis.v4i4.4107

Abstract

This research was conducted at Teras Jahe MSMEs. Teras Jahe MSMEs is a business entity that operates in the micro, small, and medium sectors, focusing on producing and marketing various ginger-based products. This research aims to find out and analyze problems, obstacles, and efforts to overcome obstacles in marketing strategies to build Brand Awareness in Teras Jahe MSMEs. The method used in this research is descriptive qualitative. The problem experienced by Teras Jahe is that first, Teras Jahe is dominated by customers over 40 years old and this makes it difficult to socialize on social media, for example, information about promos, new menus, and new places, they tend to be comfortable in one place and are out of date with cyberspace. Having six branches in strategic locations and utilizing online platforms such as Gofood, Grabfood, and Shopee Food, Teras Jahe adopts an omnichannel approach to reach consumers. Through effective digital marketing on Instagram, Teras Jahe builds brand awareness with interesting and relevant content, despite facing challenges in reaching a younger demographic and competing in the online market. With flexible pricing strategies, tailored product offerings, and attractive promotions, Teras Jahe has achieved top of mind among its consumers, differentiating itself from competitors with a focus on quality and service. Continuous efforts in education, innovation, and consumer interaction demonstrate Teras Jahe's commitment to sustainable brand growth and development
MOTIF KERAJINAN TENUN TROSO SEBAGAI IDE PENCIPTAAN KARYA GAMBAR DEKORATIF DALAM PEMBELAJARAN SENI RUPA BAGI SISWA SMP NEGERI 2 PECANGAAN JEPARA Putri, Lusi Ngestina; Syafii, Syafii
Eduarts: Jurnal Pendidikan Seni Vol. 13 No. 3 (2024): Eduarts: Jurnal Pendidikan Seni
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/eduarts.v13i3.13439

Abstract

Jepara merupakan kabupaten di provinsi Jawa Tengah yang memiliki banyak potensi lokal salah satu adalah kerajinan tenun Troso. kain tenun Troso banyak dimanfaatkan dalam dunia busana, namun dalam dunia pendidikan kerajinan tenun Troso kurang menjadi perhatian dan kurang dimanfaatkan dalam pembelajaran di kelas. Hal ini menjadi latar belakang di lakukannya penelitian dengan memanfaatkan kerajinan tenun Troso sebagai ide dalam penciptaan karya gambar dekoratif dalam pendidikan seni rupa. Penelitian ini bertujuan; (1) mendeskripsikan jenis dan bentuk motif kerajinan tenun Troso yang tepat dijadikan sebagai ide penciptaan karya gambar dekoratif dalam pembelajaran seni rupa  (2) menjelaskan proses pembelajaran berkarya gambar dekoratif dengan ide motif kerajinan tenun Troso (3) menyajikan hasil karya gambar dekoratif siswa dengan ide motif kerajinan tenun Troso di SMP Negeri 2 Pecangaan. penelitian ini menggunakan pendekatan deskriptif kualitatif yaitu prosedur penelitian yang memiliki data penelitian yang disajikan berupa kata-kata tertulis dari subjek penelitian dan objek penelitian. Teknik pengumpulan data menggunakan observasi, wawancara, dokumentasi dan angket. Data yang diperoleh dianalisis melalui tahapan reduksi data, penyajian data, dan verifikasi data. Hasil penelitian  menunjukkan bahwa (1) motif yang tepat dijadikan sebagai ide berkarya gambar dekoratif dalam pembelajaran seni rupa adalah motif Lubeng, motif Saraswati, motif Blanket figuratif, dan motif Hujan Gerimis (2) proses pembelajaran dimulai dengan tahap perencanaan, pelaksanaan, dan evaluasi terhadap hasil belajar siswa dari segi aspek sikap, pengetahuan, dan keterampilan (3) hasil karya gambar dekoratif dengan ide motif kerajinan tenun Troso menunjukkan kemampuan siswa mencapai setiap aspek penilaian, baik dari aspek idealitas, aspek kreativitas, aspek estetika visual, dan aspek penguasaan teknik.
SULTAN HASANUDDIN'S COMIC BOOK AS A MEDIA FOR DELIVERING INDONESIAN HISTORY Kurniawan, Sulistyo Agung Dwi; Syafii, Syafii; Budi Utomo, Kamsidjo
Arty: Jurnal Seni Rupa Vol 11 No 3 (2022): Regular
Publisher : Jurusan Seni Rupa Fakultas Bahasa dan Seni

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/arty.v11i3.44197

Abstract

This study project was motivated by the decreasing interest in reading among adolescents, especially reading books on history, the decreasing reading rate resulting in less information absorption so that they forgot the importance of studying history. Because of this problem, the writer has the idea to bring back the big story that has happened in Indonesian history with a more modern look with the title "Sultan Hasanuddin" so that it attracts readers to learn the importance of history. The purpose of this study project is to produce a comic book about the heroism of Sultan Hasanuddin as a means of conveying Indonesian history in an effort to increase youth reading interest with local stories. This study project is expected to provide insight into the picture of Indonesia in the past that the author conveyed which is packaged into a comic book of Sultan Hasanuddin, which has an interesting visualization of images for teenagers. That way Indonesian teenagers are able to absorb the essence of what the author says by not never giving up in order to achieve their goals, not easily breaking up in the face of obstacles that get in the way. It is hoped that this comic can be used as a comic book that will be published later.
Solar-Assisted IoT-Based Smart Home for Energy Efficiency and Hazard Prevention Toward Sustainable Living Fitriyan, Rahmawati; Syafii, Syafii
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 5 No. 3 (2025): November 2025
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v5i3.262

Abstract

This study presents the development of a solar-assisted smart home system based on the Internet of Things (IoT) that focuses on energy efficiency and hazard prevention as a contribution to sustainable living. The proposed system integrates renewable energy utilization with intelligent monitoring to reduce energy consumption and minimize carbon footprint. A Raspberry Pi microcontroller is employed as the central platform to coordinate multiple sensors, including a DHT11 sensor for temperature and humidity measurement, a gas sensor for leak detection, a vibration sensor for earthquake monitoring, and a PZEM-004T module for real-time energy consumption tracking. The system enables remote supervision and automated responses to environmental hazards while maintaining comfort and security for occupants. Experimental results demonstrate that the prototype enhances early warning capability for potential fire incidents and natural disasters, while significantly improving energy awareness through continuous monitoring. The integration of solar energy further supports the sustainability aspect, making the system a viable smart solution for greener and safer residential environments.
Pembuatan Media Promosi untuk Toko Amal Kibas Sebagai Upaya untuk Menumbuhkan Kepedulian Sosial Berbasis Ekonomi Sirkular Adrianti, Adrianti; Nasir, Muhammad; Syafii, Syafii; Nasir, Hikmah Afifah
Jurnal Andalas: Rekayasa dan Penerapan Teknologi Vol. 5 No. 2 (2025): Desember 2025
Publisher : Electrical Engineering Department Faculty of Engineering Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jarpet.v5i2.126

Abstract

Toko amal belum lazim di Indonesia, karena itu dibutuhkan promosi yang lebih baik agar dikenal oleh masyarakat luas. Partisipasi masyarakat sangat penting bagi keberlajutan toko dan juga terlaksananya tujuan amal yang ingin dicapai. Tantangan terbesar adalah membangun kesadaran kolektif bahwa donasi dan belanja di toko amal bukan sekadar transaksi, melainkan bagian dari gerakan sosial dan keberlanjutan. Kegiatan pengabdian Masyarakat yang dilakukan oleh dosen dan mahasiswa Departemen Teknik Elektro Universitas Andalas bertujuan untuk revitalisasi branding dan tampilan toko amal, sebagai bentuk kegiatan promosi. Kegiatan ini telah menghasilkan desain dan realisasi plang nama toko yang dilengkapi dengan lampu (neon box). Lampu pada neon box ini, diatur waktu mati dan hidupnya secara otomatis menggunakan sensor cahaya. Selain itu telah dihasilkan media promosi berbayar melalui sosial media dan penyebaran pamflet promosi..Kegiatan telah terlaksana dengan baik dan diharapkan dapat membantu penyebarluasan keberadaan toko dan menarik partisipasi Masyarakat yang lebih luas.
Improve IoT-Based Charging Management System for Electric Vehicles Considering Solar Energy Availability Azizah, Farah; Syafii, Syafii
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 5 No. 2 (2025): November 2025
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v5i2.172

Abstract

The decreasing availability of fossil fuels, coupled with escalating environmental concerns, has significantly propelled research and development efforts in renewable energy-based electric transportation systems. The emission of carbon dioxide resulting from the combustion of fossil fuels has prompted the formulation of research policies on electric vehicles (EVs) worldwide, including in Indonesia, where there is a notable increase in EV adoption and a growing demand for enhanced charging infrastructure. Utilizing solar power to charge electric vehicles can substantially decrease carbon emissions when compared to conventional charging methods that draw power from the utility grid. This research endeavors to design, develop, and implement a comprehensive grid-integrated solar-powered EV charging management system that leverages Internet of Things (IoT) technology, with a Raspberry Pi serving as the central control unit. The proposed system will incorporate a pyranometer sensor to accurately measure solar radiation levels and include a sensor to continuously monitor the battery's charging status, specifically the State of Charge (SoC). Through this integrated approach, it is anticipated that the efficiency of EV charging processes can be significantly enhanced, thereby supporting the advancement of sustainable and clean energy infrastructure. Additionally, the implementation of this system aims to contribute to reducing carbon emissions in Indonesia, aligning with national and global environmental objectives.
Co-Authors ., Cahayahati ., Delima ., Erliwati ., Kamshory Abadi, Akbar Aditio Pribadi, Rizki Adrianti Adrianti Adrianti, Adrianti Agung W. Setiawan Akshar, Muh Alex, Taman Ali Basrah Pulungan Almoataz Youssef Abdelaziz Andi Pawawoi Andrivo Rusydi Arnawan Hasibuan Arya, Engla Harda Asrizal . Aswardi Aswardi Aulia Aulia Aulia Aulia Axel Doriza Azhari Zakri , Azriyenni Azizah, Farah Azriyenni Azhari Zakri Azzahrah, Nadia Fatimah Beni Nugroho, Dionysius Benriwati Maharmi Budi Endarto Cahayahati . Chamdani, Chamdani Dadan Ramdan Danas, Aidil Darmana, Ija Dawam Habibullah Dawam Habibullah Delima . Dina Maizana Dona Juliandri Edyan Noveri Elmiyasna Kimin Elysia Sholiha, Almira Rahma Endang Tri Wahyuni Erliwati . Fahreza, Rahmad Fajril Akbar Farah Azizah Fierda Nurany, Fierda Fikriyatullatifah, Anisa Fitriyan, Rahmawati Gumilar, Candra Habib Satria Habib Satria Habibullah, Dawam Hanalde Andre Handayani, Mia Putri Hasdi Putra, Hasdi Herris Yamashika Herris Yamashika Heru Irianto Ija Darmana Ika Putri, Kartika Ilham Cholid Ilhamdi Rusydi, Muhammad Imam Fauzi Ath Thaariq Indrajaja, Nobella Indri Dayana Irfan El Fakhri Ita Merni Patulak Jaka Windarta Juliandri, Dona K. M. Nor K. M. Nor K. M. Nor Kamsidjo Budi Utomo Kamsory Kamsory, Kamsory Kartika Ika Putri Kartika Sri Kumala Sari Khin Moe Moe Kurniawan, Sulistyo Agung Dwi Kusnadi, Sekar Ayumeida Laksono, Heru Dibyo Layrenshia, Belinda Leily Wustha Johar Liambana, Junlianty Lovely Son, Lovely M. Yonggi Puriza Maharmi, Benriwati Marroh, Zahrotul Isti'anah Matalata, Hendi Maulidi, M. Alfi Moe, Khin Moe Mohammad Taufiq Hidayat Monice Monice Moranain Mungkin Muhammad Fadlan Siregar Muhammad Hadi Putra, Muhammad Hadi Muhammad Imran Hamid Muhammad Khahfi Zuhanda Muhammad Nasir Muhammad Nurdin Muhammad Ridha Fauzi Muhardika Muhardika Mumtazah, Lutfia Anis Muzamir Isa Nasir, Hikmah Afifah Nasir, Muhammad Nofri Dodi Noor Azahra, Anggraeni Noviandri, Dian Novizon, Novizon Nur Izrillah, Imra Nurdin, Muhammad Nurmarini, Eva Perdana Putra, Ilham Prihadini, Diana Purwadhi Purwadhi Putri, Lusi Ngestina Rahmad B.Y Syah Rahmad Fahreza Rahmawati Fitriyan Refdinal Nazir Ricky Maulana Ridwan, Ridwan Rizka Hadelina Roni Putra Rudi Salam Rusydi, Muhammad Ilhamdi Salfikri, Iqbal Sapto Nisworo Since Yuliana Frans, Inggrid Slamet Raharjo Sugiono Sugiono Syah, Rahmad B. Y. Syah, Rahmad B.Y Syukri Yunus Tahrir, Muhammad Thoriq Kurnia Agung Thoriq Kurnia Agung Veranita, Mira Wati Wati Wati Wati Wati, Wati Welly Yandi Yandi, Welly Yona Mayura Yudi Arfan Yusdiansyah, Yusdiansyah Zahroni, Teguh Rizali Zarta, Abdul Rasyid Zulwisli .