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All Journal Bulletin of Electrical Engineering and Informatics Jurnal Teknologi Pendidikan JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian UntukMu NegeRI Jurnal Penelitian Pendidikan IPA (JPPIPA) Paedagoria : Jurnal Kajian, Penelitian dan Pengembangan Kependidikan SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Teknik Informatika UNIKA Santo Thomas JCRS (Journal of Community Research and Service) AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Mantik Community Development Journal: Jurnal Pengabdian Masyarakat MEANS (Media Informasi Analisa dan Sistem) Jurnal Pendidikan Vokasional Teknik Elektronika (JVoTE) Jurnal Abdimas Ilmiah Citra Bakti (JAICB) JTEIN: Jurnal Teknik Elektro Indonesia JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) JURNAL TEKNOLOGI INFORMASI & KOMUNIKASI DALAM PENDIDIKAN Electron: Jurnal Ilmiah Teknik Elektro Tekmulogi: Jurnal Pengabdian Masyarakat Jurnal Penelitian Pendidikan Indonesia Jurnal Polimesin

Bakti Dwi Waluyo

Universitas Negeri Medan

Author-ID : 2401207

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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SISTEM MONITORING PLTS BERBASIS IOT SEBAGAI MEDIA PEMBELAJARAN Waluyo, Bakti Dwi; Rahman Sembiring, Muhammad Aulia; Sinaga, Nelson; Lubis, Ali Akbar; Br Tarigan, Sintya Verina
JURNAL TEKNOLOGI INFORMASI & KOMUNIKASI DALAM PENDIDIKAN Vol. 11 No. 1 (2024): Juni - Jurnal Teknologi Informasi dan Komunikasi dalam Pendidikan
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jtikp.v11i1.60282

Abstrak: Penelitian ini bertujuan untuk mengembangkan sistem monitoring pembangkit listrik tenaga surya (PLTS) berbasis Internet of Things (IoT) sebagai media pembelajaran di Jurusan Pendidikan Teknik Elektro Universitas Negeri Medan. Sistem monitoring ini dinamakan EduSolar, yang dirancang menggunakan kombinasi perangkat keras seperti mikrokontroler Arduino UNO, modul sensor arus, tegangan, daya, intensitas cahaya, serta modul WiFi ESP8266 untuk konektivitas IoT. Sistem EduSolar dapat memantau dan menampilkan parameter-parameter penting PLTS secara real-time melalui antarmuka website. Penelitian ini menggunakan metode pengembangan ADDIE yang terdiri dari tahap analisis, desain, pengembangan, implementasi, dan evaluasi. Hasil validasi ahli media menunjukkan persentase kelayakan 81,28%, sedangkan validasi ahli materi mencapai 80,83%. Uji respon mahasiswa juga menunjukkan bahwa sistem EduSolar dinyatakan "layak" digunakan sebagai media pembelajaran dengan persentase 78,46%. Dengan demikian, sistem monitoring PLTS berbasis IoT yang terintegrasi sebagai media pembelajaran ini terbukti efektif dalam meningkatkan pemahaman mahasiswa tentang teknologi energi surya. Kata Kunci: Sistem Monitoring PLTS, IoT, Media Pembelajaran, Pembelajaran Interaktif, Energi Surya. Abstract: This research aims to develop an Internet of Things (IoT)-based solar power plant (PLTS) monitoring system as a learning media in the Department of Electrical Engineering Education at Medan State University. The monitoring system is called EduSolar, designed using a combination of hardware devices such as the Arduino UNO microcontroller, current, voltage, power, and light intensity sensor modules, as well as the ESP8266 WiFi module for IoT connectivity. The EduSolar system can monitor and display real-time important parameters of the solar power plant through a website interface. This research utilizes the ADDIE development method, which consists of analysis, design, development, implementation, and evaluation stages. The validation results from media experts showed a feasibility percentage of 81.28%, while the validation by subject matter experts reached 80.83%. The student response test also indicated that the EduSolar system was deemed "feasible" as a learning media with a percentage of 78.46%. Therefore, this IoT-based PLTS monitoring system integrated as a learning media has been proven effective in enhancing students' understanding of solar energy technology. Keywords: PLTS Monitoring System, IoT, Learning Media, Interactive Learning, Solar Energy.

PENGEMBANGAN MODUL TRAINER KENDALI OTOMASI BERBASIS PLC SEBAGAI MEDIA PEMBELAJARAN DI LABORATORIUM Rahman Sembiring, Muhammad Aulia; Sinaga, Denny Haryanto; Sinuraya, Arwadi; Manullang, Jongga; Waluyo, Bakti Dwi; Azizi Lubis, Reza Arbi
JURNAL TEKNOLOGI INFORMASI & KOMUNIKASI DALAM PENDIDIKAN Vol. 11 No. 1 (2024): Juni - Jurnal Teknologi Informasi dan Komunikasi dalam Pendidikan
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jtikp.v11i1.60286

Abstrak: Industri modern kini beralih dari sistem kontrol tradisional ke sistem kontrol otomasi berbasis teknologi modern salah satunya Programmable Logic Controller (PLC). Pembelajaran di Jurusan Pendidikan Teknik Elektro Universitas Negeri Medan masih kurang efektif karena minimnya akses mahasiswa terhadap pengalaman praktis dengan PLC. Untuk itu, rancang bangun trainer sistem otomasi industri berbasis PLC diusulkan sebagai Solusi yang relevan dalam meningkatkan pemahaman mahasiswa. Pengembangan trainer ini mencakup komponen seperti papan trainer, peralatan kontrol otomasi, PLC, dan lainnya, serta jobsheet untuk mendukung pembelajaran. Penelitian ini merupakan penelitian pengembangan dengan model pengembangan ADDIE. Prosedur pengembangan yang dilakukan meliputi tahapan: analisis, desain, pengembangan, implementasi dan evaluasi. Tahap analisis melibatkan responden dosen Jurusan Teknik Elektro Universitas Negeri Medan. Penilaian produk melibatkan ahli materi dan ahli media dari dosen FT UNIMED. Penilaian respon pengguna melibatkan Mahasiswa Teknik Elektro UNIMED. Pengumpulan data menggunakan angket yang telah divalidasi ahli. Data yang diperoleh dianalisis secara deskriptif. Hasil penelitian adalah trainer dihasilkan melalui lima tahapan, yaitu analisis kebutuhan, desain training kit, pembuatan dan pengujian fungsional, pengujian ahli dan pengguna, dan evaluasi kelayakan. Uji kinerja menunjukkan training kit tersebut termasuk kategori sangat layak dengan rerata skor dari ahli materi sebesar 3,83 dan ahli media sebesar 3,67. Pengguna menyatakan trainer dan modul pembelajaran yang dihasilkan sangat layak dengan rerata skor sebesar 3,39. Kata Kunci: Modul Trainer, Programmable Logic Control, Media Pembelajaran.. Abstract: The automation control systems of today's industry are replacing the antiquated control systems with ones based on contemporary technology, such as the Programmable Logic Controller (PLC). Due to students' limited access to PLC practical experience, learning at Medan State University's Department of Electrical Engineering Education remains less effective. In order to improve student comprehension, the design of an industrial automation system trainer based on PLCs is suggested. Along with work sheets to facilitate learning, this trainer development contains components such automation control equipment, PLCs, trainer boards, and others. Using the ADDIE development model, this study is development research. Analysis, design, development, implementation, and evaluation are the phases of the development procedures that are carried out. Based on the performance test, the training kit has an average score of 3.67 from media experts and 3.83 from material experts, placing it in the highly feasible category. With an average rating of 3.39, users said the trainer and learning modules were excellent value. Keywords: Trainer Module, Programmable Logic Control, Learning Media.

Teknologi Identifikasi Objek Berbasis Drone Menggunakan Algoritma Sift Citra Digital Hutahaean, Harvei Desmon; Waluyo, Bakti Dwi; Rais, Muhammad Amin
Jurnal Teknik Informatika UNIKA Santo Thomas Vol 4 No 2: Tahun 2019
Publisher : LPPM UNIKA Santo Thomas

Indonesia merupakan negara kepulauan yang secara geografis berada pada jalur khatulistiwa dengan morfologi yang beraneka ragam dari daratan sampai perguruan tinggi. Kekayaan alam Indonesia dengan luas wilayahnya, merupakan sumber yang harus dijaga kelestariannya. Hanya saja terkadang semakin berkembangnya negara Indoesia, semakin banyak dibuat pembangunan, perubahan dan sebagainya sehingga manusia sendiri sering menanggung akibatnya, salah satunya bencana.Penggunaan Teknologi dalam mendeteksi suatu objek sangat popular pada saat ini mulai dari kebutuhan dalam mendeteksi objek seperti wajah, sidik jari dan sejenisnya menjadi awal dalam pengembangan aplikasi olah citra digital yang lebih efisien dan modern. Dalam kajian ini membahas tentang bagaimana sebuah Drone (DSAR) yang dilengkapi dengan teknologi identifikasi objek dengan menggunakan sebuah algoritma SIFT pada citra digital dalam membantu petugas Tim SAR (Search and Rescue) mengidentifikasi objek dan gambar melalui sebuah Drone pada sebuah area yang mengalami suatu bencana atau kecelakaan, yang kemudian dikirimkan ke Komputer untuk diproses. Dengan ini Tim akan mudah dalam melakukan Pemetaan Objek dan dapat mengkordinatkan lokasi yang akan di Cari dan di Evakuasi.

Pengukuran Daya Keluaran DSSC Terhadap Ketebalan Titanium Dioksida Berbasis Internet of Things S, Muhammad Aulia Rahman; Waluyo, Bakti Dwi; Hutahaean, Harvei Desmon
MEANS (Media Informasi Analisa dan Sistem) Volume 5 Nomor 2
Publisher : LPPM UNIKA Santo Thomas Medan

Topography and geographical conditions in Indonesia are very supportive in the effort to use solar energy as a producer of electrical energy. In this research, Dye Sensitized Solar Cell (DSSC) was fabricated using the doctor blading deposition method for coating TiO2 onto the substrate. The research focused on the effect of varying TiO2 thickness. TiO2 as an electron jumping pathway and binders for dye molecules, dye to absorb photons which will help generate electricity. the iodide / triiodide redox pair as electrolyte, and carbon as the counter electrode on the DSSC. TiO2, organic dyes, electrolytes, and counter electrodes are arranged and combined with a layered structure as a donor-acceptor layer. In testing the output power measurement using the Internet of Things, where testing cells at a thickness of 292 micrometers using a 7 watt LED lamp produces the maximum power reaches 4429.8 x 10-9 W.

PENINGKATAN PRODUKSI TERASI DESA PULAU KAMPAI MELALUI IMPLEMENTASI MESIN PENGGILING DAN PENGEMASAN VAKUM BERBASIS PLTS Waluyo, Bakti Dwi; Rahman S, Muhammad Aulia; Purba, Sukarman; Doni, Rahma
Jurnal Abdimas Ilmiah Citra Bakti Vol. 6 No. 3 (2025)
Publisher : STKIP Citra Bakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38048/jailcb.v6i3.5546

Desa Pulau Kampai di Kabupaten Langkat merupakan sentra produksi terasi tradisional dengan potensi ekonomi lokal yang besar, namun masih menghadapi kendala dalam efisiensi produksi, keterbatasan energi listrik, dan kualitas pengemasan produk. Program pengabdian ini bertujuan meningkatkan kapasitas produksi dan daya saing terasi melalui penerapan mesin penggiling berbasis Pembangkit Listrik Tenaga Surya (PLTS) dan mesin pengemas vakum. Mitra kegiatan adalah Karang Taruna “Terasi Udang Asli” yang selama ini memproduksi terasi secara kolektif menggunakan mesin diesel sederhana. Metode pelaksanaan meliputi sosialisasi, pelatihan teknologi, instalasi sistem PLTS dan peralatan produksi, serta pendampingan dan evaluasi berkala. Hasil kegiatan menunjukkan peningkatan produksi hingga 100%, penghematan biaya operasional sebesar 60%, serta perpanjangan masa simpan produk dari ±1 bulan menjadi ±6 bulan. Selain itu, 80% anggota mitra dinyatakan kompeten dalam mengoperasikan peralatan secara mandiri. Implementasi teknologi ini tidak hanya meningkatkan efisiensi produksi, tetapi juga memperkuat kemandirian energi dan kapasitas masyarakat dalam pengelolaan usaha kecil. Hasil kegiatan ini dapat menjadi model pemberdayaan masyarakat pesisir berbasis energi terbarukan dan teknologi tepat guna yang layak direplikasi di wilayah lain.

PENGEMBANGAN TRAINER PLC BERBASIS OUTSEAL UNTUK RANGKAIAN KENDALI PLC Waluyo, Bakti Dwi; Sitompul, Betty; Sitompul, Ely Esa Yes; Marpaung, Salmian Sinurasti; Ramadhani, Syahara Ayu; Simatupang, Tora Valentina
Jurnal Teknologi Pendidikan (JTP) Vol. 18 No. 2 (2025): Oktober - Jurnal Teknologi Pendidikan
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jtp.v18i2.70205

Abstrak: Penelitian ini bertujuan untuk mengembangkan trainer PLC Outseal sebagai media pembelajaran sistem kendali industri yang layak bagi siswa SMKN 2 Siatas Barita. Metode penelitian yang digunakan adalah penelitian pengembangan (R&D) dengan model ADDIE yang terdiri dari 5 tahap: analisis, desain, pengembangan, implementasi, dan evaluasi. Produk yang dihasilkan berupa trainer PLC Outseal yang terintegrasi dengan modul PLC Outseal, input berupa Push button, switch sebagai simulasi, lampu indikator, dan tombol kontrol untuk simulasi berbagai skenario kendali industri. Hasil pengujian menunjukkan bahwa trainer PLC Outseal yang dikembangkan memenuhi spesifikasi yang diinginkan. Berdasarkan hasil validasi ahli media dan ahli materi, media pembelajaran ini masuk dalam kategori "Sangat Layak" dengan persentase kelayakan masing-masing 91% dan 90%. Penggunaan trainer PLC Outseal diharapkan dapat meningkatkan pemahaman mahasiswa terhadap konsep-konsep dasar dalam sistem kendali industri berbasis PLC dan mempersiapkan mereka dengan keterampilan praktis yang diperlukan dalam bidang ini. Selain itu, penggunaan trainer PLC Outseal juga diharapkan dapat mengurangi biaya dan risiko yang terkait dengan praktikum sistem kendali industri konvensional.

THE IMPLEMENTATION OF AUTOMATIC SPRAYER IN FARMING GROUP IN KUTA DAME VILLAGE Waluyo, Bakti Dwi; Suryanto, Eko Dodi; Dalimunthe, Amirhud; Restu, Restu
Journal of Community Research and Service Vol. 4 No. 2: July 2020
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v4i2.20013

The majority of people in Kuta Dame Village work as farmers. Several outreaches have been carried out to develop the agricultural sector in Kuta Dame village. However, some of the extension services rarely touched on effective technology to support agriculture in Kuta Dame village. One of the technologies that need to be developed by the Kuta Dame village farmer group in supporting agriculture is an automatic sprayer. This development is necessary because most farmers are still using the carrying type sprayer with a manual pump (diaphragm pump). The sprayer's diaphragm pump pressure produces a relatively low spray pressure, especially when the operator is tired of moving the pump lever. As a result, the spraying performance is not perfect, making the spray grains not smooth and not reaching the leaf surface evenly. A community service program was implemented to implement automatic sprayers for farmers in Kuta Dame village. This community service program aims to carry out the planning process and use of an electric sprayer appropriately to increase spraying fertilizers and pesticides on crops. Implementing this community service activity starts from planning activities, implementing academic counseling, implementing the practice, handing over an electric sprayer, monitoring, and satisfaction analysis.

Enhancement of surface hardness and roughness of HQ 805 steel using diamond-like carbon coating deposited by PVD Pakpahan, Binsar Maruli Tua; Yaqin, Rizqi Ilmal; Waluyo, Bakti Dwi; Zulfikram, Zulfikram; Mendoza, Muhammad Dominique
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6166

Diamond-Like Carbon (DLC) coatings are well-regarded for their high hardness, low friction coefficient, and excellent wear resistance, making them suitable for enhancing surface properties in demanding industrial applications. This study aims to analyze the effect of DLC coating on HQ 805 steel, focusing on improvements in surface hardness and surface roughness. HQ 805 steel, which is known for its mechanical durability, was coated using the Physical Vapor Deposition (PVD) method to achieve a uniform and adherent thin film. Hardness was evaluated using the Vickers microhardness test, while surface roughness was measured with a profilometer. Results showed a significant increase in surface hardness, with the coated samples achieving up to 798 VHN. It represented a 25–30% increase compared to the uncoated steel at 355 VHN. Surface roughness exhibited only a slight increase (5–7% Ra), indicating the thin layer and uniform deposition achieved with DLC without adversely affecting the surface finish. These results confirm that PVD-applied DLC coatings can effectively enhance the mechanical surface performance of HQ 805 steel without compromising surface quality. The optimal coating condition was found at 400°C for 4 hours. This research shows the potential application of DLC-coated HQ 805 steel in high-wear industrial environments extending component service life and improving operational efficiency.

Optimization model and development of power estimation in photovoltaics for self-load consumption Yosefa Hutajulu, Olnes; Dwi Waluyo, Bakti; Dodi Suryanto, Eka; Haryanto Sinaga, Denny; Suwarno, Suwarno; Indra Cahyadi, Catra; Junaidi, Agus
Bulletin of Electrical Engineering and Informatics 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/eei.v14i2.8506

The Indonesian government's initiative to meet a renewable electricity supply 2050 of around 100% and its ecological benefits, has an impact on the big challenge where the increasing number of photovoltaic (PV) systems due to high power input and risks to electricity network security conditioned sunny weather for a long time. This research aims to provide predictable power output for network operators, thereby enabling longer planning periods and increasing the protection of the national operational network. Independent consumption by household consumers will impact household energy behavior and affect the security of the electricity network. Consumption itself provides an incentive to increase the cost of energy use which will be much higher than the compensation received, so software is needed which can support PV system prediction patterns. This pattern will close the gap in software development in the process of implementing optimization and configuration based on PV estimates. The consumption planning optimization algorithm itself validates the predetermined scenario optimization process. This research contributes to the efficiency and stability of energy use in households.

Co-Authors Aditiya Pratama Daryana Agnes Irene Silitonga Agus Junaidi Agus Junaidi Ali Akbar Lubis Amirhud Dalimunthe Andreas Pratama Partogu Hutabarat Angga Koswara Malau Annisa, Selly Arwadi Sinuraya Azizi Lubis, Reza Arbi Baharuddin . Baharuddin Baharuddin Br Tarigan, Sintya Verina Denny Haryanto Sinaga Deskristina Siregar Dita Febiyan Pratiwi Dodi Suryanto, Eka Doni, Rahma Eka Dodi Suryanto Erita Astrid Farihah, Farihah Felix Hizkia Simanjuntak Fritz Immanuel S, Michael Halimul Bahri Hesti Fibriasari Hesti Fibriasari Hesti Fibriasari Hutahaean, Harvei Desmon Ichwanul Muslim Karo Karo Indra Cahyadi, Catra Januariyansah, Sapitri Kardo Simanjuntak Lisa Melvi Ginting Manullang, Jongga Marpaung, Salmian Sinurasti Mega Silfia Dewy, Mega Silfia Mendoza, Muhammad Dominique Muchsin Harahap Muhammad Ashari Muhammad Aulia Rahman S Muhammad Aulia Rahman Sembiring Muhammad Dani Solihin Muhammad Isnaini Muhammad Sulaiman Mulyana, Dadang Nelson Sinaga Nora Idiawati Pakpahan, Binsar Maruli Tua Pulungan, Ahmad Shafwan S Putri, Tansa Trisna Astono Rahma Doni Rahmadany, Savitri Rahman S, Muhammad Aulia Rahman Sembiring, Muhammad Aulia Rais, Muhammad Amin Ramadhani, Syahara Ayu Rambey, Joni Syafrin Ressy Dwitias Sari Restu Restu Ricky Nelson Tampubolon Rivaldo Effendi Rizqi ilmal yaqin, Rizqi ilmal Rosma Siregar S, Muhammad Aulia Rahman Salman Bintang Salman, Budi Saragi, Dian Putra Savitri Rahmadany Sembiring, Muhammad Aulia Rahman Simatupang, Tora Valentina Sitompul, Betty Sitompul, Ely Esa Yes Sriadhi . Sukarman Purba Sukarman Purba Suryanto, Eko Dodi Suwarno Suwarno Syahputra, Ricky Andi Wanapri Pangaribuan Wanapri Pangaribuan Yoakim Simamora Yosefa Hutajulu, Olnes Zulfikram, Zulfikram

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