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All Journal International Journal of Applied Power Engineering (IJAPE) International Journal of Advances in Applied Sciences Transmisi: Jurnal Ilmiah Teknik Elektro Jurnas Nasional Teknologi dan Sistem Informasi ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JURNAL NASIONAL TEKNIK ELEKTRO Jurnal Ilmiah KOMPUTASI RABIT: Jurnal Teknologi dan Sistem Informasi Univrab CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro JOURNAL OF APPLIED INFORMATICS AND COMPUTING ORBITA: Jurnal Pendidikan dan Ilmu Fisika CYCLOTRON METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol JOISIE (Journal Of Information Systems And Informatics Engineering) Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton Jurnal Informatika Kaputama (JIK) Jurnal Informasi dan Teknologi Gravitasi: Jurnal Pendidikan Fisika dan Sains Jurnal Vokasi JATI (Jurnal Mahasiswa Teknik Informatika) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering International Journal of Advances in Data and Information Systems Jurnal AbdiMas Nusa Mandiri Rambideun : Jurnal Pengabdian Kepada Masyarakat International Journal of Engineering, Science and Information Technology Relativitas : Jurnal Riset Inovasi Pembelajaran Fisika Andalasian International Journal of Applied Science, Engineering, and Technology Jurnal Janitra Informatika dan Sistem Informasi Brilliance: Research of Artificial Intelligence Phydagogic : Jurnal Fisika dan Pembelajarannya Jurnal Teknologi Journal of Renewable Energy, Electrical, and Computer Engineering Andalas Journal of Electrical and Electronic Engineering Technology Sisfo: Jurnal Ilmiah Sistem Informasi Jurnal Energi Elektrik Jurnal Teknologi Terapan and Sains 4.0 Jurnal Ilmiah Teknik Elektro Electrician : Jurnal Rekayasa dan Teknologi Elektro Jurnal Fokus Elektroda (Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Buletin Pengabdian Journal Of Artificial Intelligence And Software Engineering Jurnal Malikussaleh Mengabdi Jurnal Polimesin Journal Serambi Engineering (JSE) Jurnal Solusi Masyarakat Dikara Akiratech Journal of Power, Energy, and Control Journal of Industrial Engineering and Management Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN) Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) Jurnal Rekayasa elektrika
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ANALISIS SENTIMEN ULASAN MASYARAKAT TERHADAP APLIKASI SIREKAP 2024 PADA GOOGLE PLAY STORE MENGGUNAKAN METODE K-NEAREST NEIGHBORS (KNN) Zahlul Fasya; Muhammad Daud; Lidya Rosnita
Rabit : Jurnal Teknologi dan Sistem Informasi Univrab Vol 11 No 1 (2026): Januari
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/rabit.v11i1.6612

Abstract

In the last general election, the Sirekap application experienced a series of failures that resulted in delays and inaccuracies in the delivery of election results data. This study aims to analyze and classify public sentiment towards the application. The method used is K-Nearest Neighbors (KNN) utilizing 21,593 reviews from the Google Play Store. The research stages included data collection and text pre-processing in the form of cleaning, tokenizing, normalization, stopword removal, and stemming. Sentiment labeling was performed automatically using a weighted lexicon method to divide the data into two classes, namely positive and negative. Features were extracted using TF-IDF, and the model was evaluated with 10-fold cross-validation before being tested using a ratio of 70% training data and 30% test data. The results showed extreme class imbalance, with negative sentiment dominating 90.1% of the dataset. This causes a significant performance disparity: the model achieves a recall of 98.31% for the negative class but only 50.79% for the positive class. These findings indicate that although KNN is effective for majority patterns, the model experiences prediction bias towards the minority class. As a final implementation, an interactive web application was created to demonstrate the model and display visualizations of the research results.  
Analisis Ketidakseimbangan Beban Listrik pada Transfomator Distribusi 20 kV di Kota Lhokseumawe Amrizal; Muhammad Daud; Teuku Multazam; Fakhri Azhari
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2765

Abstract

Ketidakseimbangan beban pada sistem distribusi tenaga listrik merupakan permasalahan yang sering terjadi dan berdampak signifikan terhadap kinerja sistem. Penelitian ini bertujuan untuk menganalisis pengaruh ketidakseimbangan beban listrik pada transformator distribusi penyulang GH Cunda Jurusan Kota di ULP Lhokseumawe Kota serta menghitung rugi-rugi daya akibat arus netral. Metode penelitian dilakukan melalui observasi dan pengukuran langsung terhadap parameter-parameter seperti tegangan fasa-netral, arus, faktor daya, arus netral, arus grounding, dan tahanan pembumian netral trafo pada waktu siang dan malam. Hasil penelitian menunjukkan perbedaan ketidakseimbangan beban di lima lokasi yang diseleksi: Bengkel Las Jln Elak (siang 14%, malam 6%), Prm Mutiara Inda (siang 0,33%, malam 1,67%), Pabrik Es Jln Elak (siang 5,67%, malam 13,33%), Gedung Poltek 2 (siang 8,67%, malam 3,67%), dan Pabrik Kelapa Sawit (siang 1,1%, malam 3%). Rugi-rugi (Losses) terbesar terjadi di Gedung Poltek 2 mencapai 60,02 kW pada siang hari dan 15,53 kW pada malam hari. Penelitian menyimpulkan bahwa ketidakseimbangan beban pada transformator distribusi terutama disebabkan oleh ketidakmerataan pemakaian energi oleh konsumen.
PENGGUNAAN INTERNET OF THINGS UNTUK PENINGKATAN EFEKTIVITAS DAN EFISIENSI SISTEM SMART PARKING Ikramullah Ikramullah; Taufiq Taufiq; Muhammad Sayuti; Muhammad Daud; Muchlish Abdul Muthalib
JATI (Jurnal Mahasiswa Teknik Informatika) Vol. 10 No. 2 (2026): JATI Vol. 10 No. 2
Publisher : Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jati.v10i2.17491

Abstract

Pertumbuhan jumlah kendaraan yang terus meningkat menimbulkan berbagai permasalahan dalam pengelolaan parkir, seperti kesulitan menemukan slot kosong, pemborosan waktu, dan potensi kemacetan di area parkir. Permasalahan tersebut menunjukkan bahwa sistem parkir konvensional yang masih bergantung pada pengelolaan manual belum mampu memberikan pelayanan yang efektif dan efisien. Oleh karena itu, penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem Smart Parking berbasis Internet of Things (IoT) guna meningkatkan efektivitas dan efisiensi pengelolaan parkir. Metode penelitian yang digunakan adalah metode kuantitatif dengan tahapan perancangan sistem, realisasi prototipe, pengujian perangkat keras dan perangkat lunak, serta analisis kinerja sistem. Sistem dikembangkan menggunakan ESP32-CAM sebagai pengendali utama, sensor infrared (IR) untuk mendeteksi status slot parkir, sensor ultrasonik HC-SR04 untuk mendeteksi kendaraan masuk dan keluar, servo motor sebagai palang otomatis, serta LCD sebagai media informasi lokal. Data parkir disinkronkan secara real-time ke Firebase Realtime Database dan ditampilkan melalui aplikasi web. Hasil pengujian menunjukkan bahwa sensor IR memiliki akurasi rata-rata 95%, sensor ultrasonik sebesar 97%, waktu respons servo motor sekitar 0,5 detik, tampilan LCD mencapai akurasi 100%, serta waktu sinkronisasi data ke aplikasi web rata-rata 1,6 detik. Hasil tersebut membuktikan bahwa sistem Smart Parking berbasis IoT mampu menyediakan informasi ketersediaan parkir secara cepat, akurat, dan real-time, sehingga berpotensi menjadi solusi alternatif dalam pengelolaan parkir cerdas skala kecil hingga menengah sebagai bagian dari implementasi konsep smart city.
Effect of binder variations on the performance of one-phase induction motors in bio-pellet production process Ediwan Ediwan; Arnawan Hasibuan; Abubakar Dabet; Muhammad Daud; Fajar Syahbakti Lukman; Gandi Supriadi
International Journal of Advances in Applied Sciences Vol 15, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v15.i1.pp253-260

Abstract

Indonesia has many oil palm plantation areas. One of the negative impacts is the large amount of empty fruit bunch (EFB) waste. Utilizing EFB as a bio pellet as a renewable energy source is one of the solutions to reduce waste while supporting the green energy transition. EFB bio-pellets have the potential to replace fossil fuels, but face challenges in setting good quality standards. The production process of EFB bio-pellets uses a variety of binder contents. This study aims to analyze the influence of different levels of binder content on the quality of bio-pellet products. Statistical analysis of linear regression was performed to measure energy consumption and motor performance in the production process of EFB bio-pellets. This study provides recommendations to help maximize the quality and efficiency of the bio-pellet production process from palm oil EFB waste.
Prototype of Detector for Metal Content in Packaged Drinks Using Salinity Sensor Based on Arduino Uno Mauliddin Mauliddin; Muhammad Daud; Teuku Multazam; Ainal Mardhiah; M. Fitra Waldi
Jurnal Teknologi Vol 26, No 1 (2026): April 2026
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v26i1.8891

Abstract

This research aims to design and build a prototype device for detecting iron (Fe) and manganese (Mn) metals in packaged drinks using a salinity sensor processed using the Kalman filter method. Packaged drinks are a popular choice due to their convenience and variety of flavors, but their metal content needs to be monitored to prevent health risks. This system was designed using an Arduino Uno microcontroller as the main controller, with a salinity sensor to detect Fe and Mn levels, and an LCD as the data display. Testing was conducted by comparing the device's detection results with laboratory data obtained from the Banda Aceh Industrial Standardization and Services Center. The results showed that the device was able to detect Fe with an accuracy of 98.48% and Mn with an accuracy of 100%. The average measurement error for Fe was 1.52%, while for Mn, the error was 0%. These results demonstrate that the designed device functions well and has high accuracy, thus potentially being used as an independent test tool for the suitability of packaged drinks.
Evaluation of Staged Under Frequency Load Shedding Strategy for Generator Trip Events at Arun Substation Using DIgSILENT Powerfactory M. FITRA WALDI; MUHAMMAD DAUD; SELAMAT MELIALA; SALAHUDDIN SALAHUDDIN; TEUKU MULTAZAM
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 2: Published April 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i2.231

Abstract

Frequency stability is a key indicator of power system reliability, as disturbances such as generation loss can cause rapid frequency decline and potentially lead to a blackout. This study evaluates the effectiveness of a load shedding scheme using an Under Frequency Relay (UFR) at the Arun Substation through dynamic simulation in DIgSILENT PowerFactory. The scenario involves a sudden loss of generation, comparing conditions without and with UFR. Results show that without UFR, a 48.421 MW power loss causes the frequency to drop below 42 Hz in less than 16 seconds, leading to system failure. With a two-stage UFR scheme (27.6 MW at 49.5 Hz and 28.4 MW at 49.2 Hz), the frequency decline is arrested and the system stabilizes at 50.12 Hz within about 3 seconds. Thus, the UFR scheme is effective in maintaining system stability.
Analysis of Supporting Tool Application Testing Generator Excitation System at Steam Power Plant Arman Hasibuan; Rizky Almunadiansyah; Kerimzade G.S; Muhammad Daud; Fahrian Roid
Akiratech Vol. 2 No. 1 (2025)
Publisher : CV. Akira Java Bulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63935/akiratech.v2i1.110

Abstract

This research aims to explore a preventive method to reduce damage to the excitation system during the startup phase of a Steam Power Plant using an Automatic Voltage Regulator (AVR). The primary objective is to enhance the efficiency and effectiveness of repair and maintenance procedures for the excitation system. A descriptive qualitative approach was employed, focusing on a generator in the steam power plant production area. The study involved defining the problem, engaging in discussions with the maintenance team, designing and testing the AVR, prioritizing the use of supporting tools during outages, and analyzing the outcomes. These processes helped identify and resolve underlying issues in the system. The study revealed a significant improvement in maintenance procedures. Previously, the average repair time for the excitation system was 8 hours, occurring approximately 10 times per year. After implementing the supporting tool and conducting tests while the unit was offline, the verification process was reduced to only 20 minutes. As a result, no damage occurred to excitation system components during gradual startup. This improvement leads to substantial cost savings—approximately IDR 4 billion—through reduced fuel consumption and more efficient use of electrical energy.
Penyuluhan Penempatan PLTS Rooftop Hybrid PLN Menggunakan ATS pada Guru SMP Negeri 5 Lhokseumawe Selamat Meliala; Saifuddin Muhammad Jalil; Yasir Amani; Risna Dewi; Muhammad Daud; Ekamaida
Jurnal Malikussaleh Mengabdi Vol. 5 No. 1 (2026): Jurnal Malikussaleh Mengabdi, Januari 2026
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v5i1.25396

Abstract

Kebutuhan energi listrik yang terus meningkat mendorong peralihan ke sumber energi terbarukan seperti panel surya. Kegiatan pengabdian masyarakat ini bertujuan memberikan edukasi tentang penggunaan panel surya rooftop kepada guru dan siswa SMP Negeri 5 Kota Lhokseumawe. Metode kegiatan meliputi ceramah, demonstrasi panel surya mini, dan diskusi interaktif. Hasil kegiatan menunjukkan peningkatan pengetahuan peserta mengenai energi surya dan minat terhadap teknologi energi bersih. Kegiatan ini diharapkan menjadi langkah awal bagi pihak sekolah untuk menerapkan panel surya sebagai sumber energi alternatif yang ramah lingkungan. Dari hasil kuisioner nilai pemahaman para peserta ratanya – ratanya jawaban yang benar hampir 100%.
Analysis of the Effect of Loading on the Transformers Usage Time Adi Syahputra Ritonga; Muchlis Abdul Muthalib; Muhammad Daud; Hamdi Akmal Lubis; Biswas Babu Pokhrel; Sudip Phuyal; Umakant B. Gohatre
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 1 No. 2 (2021): September 2021
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v1i2.5237

Abstract

The reliability and stability of the system in the operation of the electric power system is very important, in order to provide comfort in service to consumers. The transformer is a very important component in the electric power system, because it is used as a voltage adjuster for the load being served. This study discusses the effect of loading and temperature on the life shrinkage of 36/60 MVA power transformers in block 3 and block 4 carried out at PT. PJB UBJ O&M PLTMG Arun Lhokseumawe, Aceh. From the calculation results after 4 years the transformer operates, if the transformer is given a 100% load, the transformer will experience an age difference of 2.52 p.u/day so that it has a remaining life for of 10 years. As for the transformer that is given a load of 90%, the transformer will experience an age difference of 1.44 p.u/day so that it has a remaining life to perform operations for another 18 years. Then for a transformer that is given a load of 80%, the transformer will experience an age difference of 0.67 p.u/day so that it will have a remaining life to carry out the operation again for another 38 years. From the above calculation, the origin of the temperature obtained for the ONAN type of cooler in block 3 is 0.71 p.u/day and in block 4 it is 0.70 p.u/day. While the ONAF type of cooler in block 3 is 0.004 p.u/day and in block 4 it is 0.005 p.u/day. This is in accordance with the regulation SPLN50/1982 regarding transformer life shrinkage.
Design of Automatic Pond Water Quality Control in Koi Fish Farm Muhammad Daud; Rizqan Fachroji; Arnawan Hasibuan; Raihan Putri; I Made Ari Nratha; Muzamir Isa
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 3 No. 1 (2023): March 2023
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v3i1.9730

Abstract

Koi fish is a type of freshwater ornamental fish that has high economic value. Koi fish have attractive body colors and ideal body shapes so they have good sales prospects. However, koi fish farming has several obstacles, one of which is the low recovery rate and the relatively slow growth of fish. Water quality is the main parameter in the success of a fishing effort. Therefore, this study designed a tool that can help koi fish farmers in unifying the quality of pond water so that koi fish can grow and develop properly. This monitoring system is designed by implementing an automatic control monitoring system to produce good water quality for koi fish farming. Data obtained from water quality monitoring are parameters of pH, ammonia, and water temperature. The results of this cultivator's research can monitor the quality of fish pond water and immediately get water quality control automatically.
Co-Authors Abdullah A.Z Abubakar Dabet Adi Setiawan Adi Syahputra Ritonga Adi Syahputra Ritonga Afrilia Rizda Hafni Ahmad Nayan Ainal Mardhiah Alayda Zaielamy Putri Alchalil Alchalil Alchalil Alchalil Ali Imran Amrizal Ananda Agustian Ananda, Rizky Andian, Andian Andik Bintoro Andre Heri Bakriansyah Anggi Chairani Annisa Karima Ardian Ardian Arlina Hasibuan Arnawan Hasibuan Asran Asran Asri Asri Asrianda Asrianda Azman Azman AZMI, AZMI Azwati Azmin Azzanna, Maghriza Badriana, Badriana Baidhawi, B Biswas Babu Pokhrel Chairil Pratama Cindeni Puspasari Cindenia Puspasari Dahlan Abdullah Deassy Siska Dedi Fariadi Defry Hamdhana Dery Syahputra Devi Sutri Insani Dewi Maya Sari Dirga, Muhammad Ediwan Ediwan Ekamaida, Ekamaida Ervina Hasan Ezwarsyah Ezwarsyah Fachry Abda El Rahman Fadhillah Dandy Satrio Fadhli Syamsudin Fahrian Roid Fajar Syahbakti Lukman Fajar Syahbakti Lukman Fajar Syahbakti Lukman Fajri Hakim Fajri M Kasim Fajri Yanti Fakhri Azhari Fakhri Azhari Fakhruddin Ahmad Nasution Fauzi Sahlan Rizki Sinaga Ferdian Ruliansyah Firman Karim Fuddin, Mudhya Gandi Supriadi Gohatre, Umakant B. Gulschen Kerimzade Gunadi Habib Muharry Yusdartono Hafizh Al Kautsar Aidilof Halimatus Sakdiah Hamdi Akmal Lubis Hamdi Akmal Lubis, Hamdi Akmal Hasan, Ervina Hasanun Hayatun Nisa Hendrival, H Hidayatullah, Ferdy Hilmi Hilmi Husni Husni Hutagalung, Rizki Shobirin I Made Ari Nrartha I Made Ari Nratha Ichsan Alwi Nasution Ichsan Ichsan Ikramullah Ikramullah Insani, Devi Sutri Irfansyah, Dedi Ismi Raihan Kartika Kartika Kerimzade G.S Kerimzade, Gulschen Khaidar, Al Khairul Anshar Khairul Anshar Kurniawan Kurniawan Kurniawan, Dicky Lapara, Muhammad Ilham Lidya Rosnita Lukman Hakim Lukman Hakim M Mursalin M Sayuti M. Fitra Waldi Mahmuddin Mariyudi Mariyudi Mariyudi, M Maryana Maryana Maulana, Fatur Rahman Mauliddin Mauliddin Misbahul Jannah Mohammad Heikal Muchlis Abdul Muthalib Muhammad Afdal MUHAMMAD ALI Muhammad Ali Muhammad Chaizir Muhammad Ishak Idrus Panjaitan Muhammad Muhammad Muhammad Reza Muhammad Sayuti Muhammad Yusril Zulfikar Muhammad, Muhammad Mulqi Mauli Fahmi Munawarah Munawarah Munirul Ula Mursalin, M Mustaqim, Oka Arrizal Mutia Nanda Sari Muzamir Isa Muzamir Isa Nanda Novita Nasution, Zulpadli M Novianty, Vivi Nurdin Nurdin Nurfebruary, Nanda Sitti Nurmalita Nurmalita Nyak Qurratu Aini Ochitria Cintia Br. Simajuntak P Purwanto Panji Aji Riha Wijayanto Phuyal, Sudip Pokhrel, Biswas Babu Putra, Arwin Putri Maulina Qausar, Muhammad Qurratu Aini, Nyak Rafif, Muhammad Rahmad Rahmad Rahmat Andria Raihan Putri Raihan, Ismi Ratna Sari Ravi Andika Pramulya Renno Kamal Putra Rio Rangga Yudha Saragih Risna Dewi Ritonga, Adi Syahputra Rizki Shobirin H Rizki Suwanda Rizky Almunadiansyah Rizky Almunadiyansyah Rizky Putra Fhonna Rizqan Fachroji Rizqan Fachroji Rizqon Hasibuan Robi Kurniawan Robi Kurniawan Roid, Fahrian Rosdiana Rosdiana Rozanna Dewi Rusadi, Athirah Safina, Putri Anjali Safriana Safriana Sahal Mahfudz Said Fadlan Anshari Saifuddin Muhammad Jalil Salahuddin Salahuddin Sapto Nisworo Saputra, Rizwan Sayuti, Muhammad Selamat Meliala Siregar, Widyana Verawaty Sudip Phuyal Suhardi Makmur Suhardi Makmur Sujacka Retno Syahri, Alfis Syarifah Rita Zahara Syibral Malasyi, Syibral Taufiq Taufiq Teuku Multazam Thabliq Basac Bhaskara Tiara Anggraini Tulus Setiawan Umakant B. Gohatre Umar Ramadhan Siregar Verawaty Siregar, Widyana Vitani Damanik Wahyu Sepriawantama Wahyu Utomo Waleed Khalid Ahmed Al-Ani Wawan Syahputra Widyana Verawaty Siregar Yanti, Fajri Yasir Amani Yogi Satya Zahlul Fasya Zalfie Ardian Zara Yunizar Zulfaini Zulfaini Zulnazri, Z Zulpadli M Nasution