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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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Earthquake detection in mountainous homes using the internet of things connected to photovoltaic energy supply Satria, Habib; Dayana, Indri; Syah, Rahmad B. Y.; Noviandri, Dian; Zuhanda, Muhammad Khahfi; Syafii, Syafii; Salam, Rudi
International Journal of Reconfigurable and Embedded Systems (IJRES) Vol 13, No 2: July 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijres.v13.i2.pp315-322

Abstract

The North Sumatra region is an area with the potential for earthquakes originating from volcanic and oceanic eruptions which have resulted in many fatalities. Therefore, through the application of automatic monitoring and control system technology connected to the internet of things (IoTs), it is the right solution to provide efforts to increase security for residents of the house to always be vigilant. The security enhancement method referred to in this study is a home security system protection system by anticipating earthquakes. The advantage of this tool is that it applies a notification security system method with a sensitivity sensor which is automatically sent via email and sonor buzzer which also acts as sound vibrations due to an earthquake. The test results show that when a vibration occurs, the system will send a short email message to the user's smartphone so that the user will receive an email in the form of a warning message that the state of the house has an earthquake and the light-emitting diode (LED) interrupts and the buzzer is also on so that the alarm sounds which has been integrated into IoT. Then an integrated security monitoring system using the web can be monitored in real time.
Recent trend and future prospect in optimization of electric vehicle charging: a systematic review Fauzi, Muhammad Ridha; Zakri, Azriyenni Azhari; Syafii, Syafii
Bulletin of Electrical Engineering and Informatics Vol 13, No 4: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i4.8017

Abstract

Electric vehicles charging (EVs) must be done optimally to minimize the impact it causes. EVs are being recognized as a potential way to decrease greenhouse gas emissions and combat climate change. However, there are still difficulties in optimizing these systems to minimize operating costs and EVs charging waiting times. This study investigates several industrial, commercial and residential charging stations. The primary objective of this study is to systematically review the existing literature on optimizing EV charging. The collection of data was centered on scholarly articles released between the years 2018 and 2023 from Scopus, IEEE Xplore. This study presents a systematic literature review of optimizing EVs charging. As a result, 43 EVs charging optimization studies were obtained which were investigated and studied further. Identify and analysis the selected studies, there are two research topics and trends most frequently addressed by researchers: scheduling and coordination. The four most applied methods in EVs charging are identified: particle swarm optimization (PSO), genetic algorithm (GA), linear programming (LP) method, and evolutionary algorithms (EA). Future research directions: develop advanced optimization algorithms, investigating the integration of renewable energy sources into the charging infrastructure, exploring the potential of vehicle-to-grid (V2G) services, studying the impact of EVs charging on the power grid and developing strategies, considering the optimization of charging schedules and coordination strategies for large-scale EVs fleets.
Pengembangan Perekonomian Pedesaan Berbasis Agrowisata Syafii, Syafii; Irianto, Heru; Nurany, Fierda; Elysia Sholiha, Almira Rahma; Handayani, Mia Putri
Jurnal Ilmiah Muqoddimah: Jurnal Ilmu Sosial, Politik dan Hummaniora Vol 8, No 4 (2024): November 2024
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jim.v8i4.2024.1720-1730

Abstract

Pengembangan ekonomi pedesaan berbasis pariwisata merupakan strategi yang menjanjikan untuk meningkatkan kesejahteraan masyarakat pedesaan. Wonosalam adalah penghasil buah-buahan, yang terdiri dari duren, salak, manggis, pisang, alpokat, produk pertanian "polo pendem", dan penghasil susu sapi dan susu kambing Etawa. Namun sayangnya, tenaga agrowisata di Wonosalam berasal masyarakat petani yang mengelola kebunnya secara tradisional. Selain itu kurangnya akses transportasi dan infrastruktur yang memadai. Koneksitas dengan wilayah lain seperti Batu, Mojokerto, Kediri merupakan hal yang harus segera dibangun agar dapat meningkatkan kunjungan wisata. Metode penelitian yang digunakan dengan kualitatif deskriptif. Teknik pengumpulan data dengan melakukan forum group discussion (FGD) bersama para petani dan pejabat pemerintahan di Wonosalam. Hasil penelitian menjelaskan bahwa petani di wonosalam mengembangkan kegiatan bertaninya sebagai salah satu destinasi wisata pertanian seperti edukasi, petik buah, kuliner, dan agroindustri. Di bidang jasa, agrowisata di Wonosalam memiliki pilihan akomodasi seperti penyedia homestay, camping ground dan kegiatan wisata. Faktor penghambat berkembangnya di Wonosalam meliputi kurangnya tenaga ahli dalam pengelolaan agrowisata. Hal ini terjadi karena tenaga agrowisata di Wonosalam berasal masyarakat petani yang mengelola kebunnya secara tradisional. Selain itu kurangnya akses transportasi dan infrastruktur yang memadai. Kurangnya dukungan dinas terkait terhadap agrowisata dapat menghambat perkembangan agrowisata di berbagai daerah. Upaya pengembangan agrowisata Wonosalam yaitu dengan pengembangan kapasitas SDM, perlu mengembangkan paket wisata yang menarik dan unik, perlu mengembangkan kelembagaan yang kuat dengan tujuan dan visi yang telah ditetapkan. Mempromosikan pariwisata melalui berbagai platform media seperti website, media sosial dan agen perjalanan. Dengan demikian pengembangan perekonomian pedesaan berbasis agrowisata masih perlu di tingkatkan.Kata kunci: Agrowisata; Ekonomi; Pedesaan; Pertanian; Wonosalam
Overview of Electrical Energy Planning in West Sumatera Aditio Pribadi, Rizki; Syafii, Syafii
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 1 No. 1 (2021): July 2021
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v1i1.7

Abstract

Electrical energy is one of the most important components in the development of an area. The development of sustainable development accompanied by rapid technological advances and an increase in living standards can cause the consumption of electrical energy to continue to increase, including in West Sumatra Province. To meet the needs of electrical energy in the future, it is necessary to build and develop the existing electrical system at PT. PLN (Persero) in order to serve the needs of electrical energy in the future. One of them is by predicting or predicting the demand for electrical energy in the next few years by utilizing historical data on the consumption of electrical energy in the past. In this study, the authors predict the electricity needs of West Sumatra Province from 2019 to 2028. The need for electrical energy tends to increase from year to year. In 2019 the need for electrical energy is 3,705 GWh, while in 2028 it is 6,980 GWh with an average growth in energy sales of 7.29 percent. The household sector has the highest demand for electrical energy in 2028, namely 3,769 GWh with an average percentage increase per year of 6.6 percent. Keywords: Power system planning, Electrical energy consumption, Generation planning and Electrification ratio.
Evaluation of Future Battery Electric Vehicles as an Environmentally Friendly Transportation Means: A Review Matalata, Hendi; Syafii, Syafii; Hamid, Muhammad Imran
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 3 No. 1 (2023): March 2023
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v3i01.67

Abstract

The climate challenge is an energy challenge. thus, policymakers around the world are trying to accelerate the adoption of clean energy technologies. The Global Energy Review said that global CO2 emissions from energy combustion in 2021 reached the highest annual level with an increase of 6% from 2020, The automotive sector is very important to achieve net zero global emissions by 2050 based on the agreement with the world in the Scenario Net Zero Emissions by 2050. in which in 2035 sales of internal combustion engine cars (ICE) will be stopped. In this case, of course, electric vehicles are an alternative to the field of future land transportation that uses batteries as fuel that utilizes renewable energy as a charger for electric vehicles. Electric vehicle charging infrastructure (EVCI) is a key driver of increased electrification mobility shifting away from internal combustion engines given that the specific geographical distribution of a region and its demographics are factors influencing the adoption of electric vehicles. This paper was written to review the state-of-the-art of Battery Electric Vehicle (BEV), a PV energy source in terms of renewable energy utilization, energy generation, batteries, and charging stations. PV generation is extensively reviewed, and although this research is quite extensive, some gaps need to be investigated for further research on commercial and residential aspects as a means of operating batteries for electric vehicle charging stations based on PV and BESS (Battery Energy Storage System). Regulations on the use of battery electric vehicles as an environmentally friendly means of transportation will grow based on government policies from each country
Integration of Photovoltaic Distributed Generation in Grid Distribution Network: A Literature Review Maharmi, Benriwati; Syafii, Syafii; Azhari Zakri , Azriyenni
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 3 No. 3 (2023): November 2023
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v3i3.114

Abstract

Distributed Generation (DG) will become a future generation system known as a renewable energy source. Renewable energy is a topic being developed due to being environmentally friendly. It fulfills the need for electrical energy to replace fossil energy sources to reduce climate change due to carbon emissions towards net-zero emissions by 2050, reducing climate change by 1.50 C to 20 C. Solar photovoltaic (PV) is an energy source that has been widely developed and has enormous potential; where PV can be integrated off the grid and on the grid. Integrating PV into the network is challenging, so the network remains stable and reliable due to intermittent energy generation. This paper reviews the integration of PV-DG distribution networks. Topology, optimization, and impacts on the distribution network are also discussed in this paper. The literature review results show that PV-DG integrated into the grid has an impact caused by intermittent PV generation.
ANALISIS FAKTOR-FAKTOR BALANCED SCORECARD SEBAGAI ALAT UKUR KINERJA PADA KOPERASI SERBA USAHA JAYA BARU KEDIRI Syafii, Syafii
AKUNTANSI 45 Vol. 3 No. 1 (2022): Jurnal Ilmiah Akuntansi
Publisher : Fakultas Ekonomi Program Studi Akuntansi Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/akuntansi45.v3i1.194

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui kinerja Koperasi Serba Usaha Jaya Baru Kediri yang di ukur dan dianalisa dengan menggunakan metode Balanced Scorecard. Balanced Scorecard adalah mengukur kinerja organisasi dari empat perspektif yaitu perspektif keuangan, perspektif pelanggan, perspektif proses bisnis internal dan perspektif pembelajaran dan pertumbuhan. Tulisan ini menitikberatkan pada bagaimana penerapan konsep Balanced Scorcard pada salah satu koperasi. Berbagai kendala dan permasalahan yang timbul dari penerapan Balance Scorecard menjadi masukan bagi Institusi. Konsep ini membantu Institusi untuk melakukan pengukuran kinerja secara lebih komprehensif dan akurat.
Optimizing energy management in electric vehicle charging using firefly algorithm Fauzi, Muhammad Ridha; Zakri, Azriyenni Azhari; Syafii, Syafii
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i2.pp864-872

Abstract

The transition to electric vehicles (EVs) poses significant challenges in the management of electric vehicle charging stations (EVCS), especially regarding the integration of renewable energy to ensure efficiency and sustainability. This study aims to optimize the energy management system in EVCS that takes into account technological aspects. The algorithm being proposed is specifically created for a 100 kW EVCS and utilizes the firefly algorithm to maximize renewable energy utilization and minimize charging costs. The research methodology includes the development of an optimization framework that combines solar power generation with the Firefly-based optimization algorithm, which considers factors such as power demand, battery capacity, and tariff fluctuations. Simulations show that the algorithm is able to increase solar energy utilization by up to 80%, while reducing charging costs during peak hours. The results also emphasize the importance of real-time energy management to address power demand fluctuations and reduce adverse impacts on the electricity grid. This study concludes that the firefly algorithm is effective in supporting energy management in renewable energy-based EVCS, providing essential knowledge for the development of sustainable charging system within the future.
A Robust Automatic Transfer Switch System for Managing Power Transitions between Grid, Solar PV, and Genset Sources Syafii, Syafii; Perdana Putra, Ilham
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 5 No. 2 (2025): July 2025
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v5i02.219

Abstract

This article presents the design and implementation of an Automatic Transfer Switch (ATS) system with automatic generator activation, aimed at ensuring the continuity of electricity supply from the National Electricity Company (PLN) grid, photovoltaic (PV) systems, and generator sets (Gensets). As reliance on the PLN grid is often compromised by various disruptions, including short circuits and natural disasters, integrating reliable backup energy sources is essential for maintaining operational efficiency across critical sectors such as healthcare, education, and industry. The ATS is structured to facilitate seamless transitions between power sources, minimizing downtime and enhancing system reliability. Test results demonstrate the ATS's effectiveness in managing switching processes, showing minimal voltage fluctuations and flicker durations, which underscores its capability to sustain uninterrupted power supply. By employing advanced monitoring technologies, this ATS system not only optimizes energy management but also bolsters the resilience of electrical infrastructure, addressing the growing need for dependable electricity in an increasingly variable energy landscape.
The Production Process and Aesthetics of Batik Motifs at Wardah Batik Industry House in Banjarnegara Regency Imam Fauzi Ath Thaariq; Syafii, Syafii
Eduarts: Jurnal Pendidikan Seni Vol. 14 No. 1 (2025): Eduarts: Jurnal Pendidikan Seni
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/eduarts.v14i1.785

Abstract

Nowadays, the process of producing batik motifs has become an important subject of study due to the declining aesthetic value found in each piece created. Aesthetic value plays a role as a mediator in conveying the moral message inherent in each work. It also has a vital role as the spirit offered in each piece, making it crucial to preserve its existence. This study aims to describe the production process and understand the aesthetics of batik motifs at the Wardah Batik Industry House. The research uses a qualitative approach with data collection techniques such as observation, interviews, and document studies. The study found that the batik production process at the Wardah Batik Industry House includes the stages of creating batik designs, with ideas sourced from the local potential of Banjarnegara, which are explored and sketched into batik designs, followed by the production stages: transferring designs, batiking, dyeing, stripping, and soaking in softener. The aesthetics of the batik motifs at the Wardah Batik Industry House, from a Javanese aesthetic perspective, include: First, the cultural cosmological value, the order of the universe manifested in the depiction and repetition of motifs such as Batik Daun Kelapa (Coconut Leaf Batik), Batik Dawet Ayu (Ayu Dawet Batik), Batik Wajan Canting (Canting Wajan Batik), Batik Ikan (Fish Batik), and Batik Parang Mrica (Parang Mrica Batik), which are depicted symmetrically, balanced, and orderly, with repetition in both vertical and horizontal alignment. Second, symbolic classification, empan papan in the use of batik fabric for clothing, sarongs, and the depiction of motifs that apply the two-pattern categories like top-bottom and left-right. Third, the orientation of life values, harmony, religiosity, justice, mutual cooperation, family, egalitarianism, and respect, which are embodied in the distinctive batik motifs of the Wardah Batik Industry House.
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 .