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All Journal Jurnal Teknologi Elekterika Al Basirah
Ridhwan , Muhammad
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Religion Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice

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Estimate Equivalent Circuit Internal Resistance Battery LiFePO4 Farid, Andi Fahrul; Itasari, Maya; Asri, Andarini; Thaha, Sarma; Nurfadhilah, Annisa; Ridhwan , Muhammad
Jurnal Teknologi Elekterika Vol. 22 No. 1 (2025)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

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Abstract

This research investigates the internal resistance and capacitance characteristics of Lithium Iron Phosphate (LiFePO4) batteries utilizing an equivalent circuit model based on resistor-capacitor (RC) networks. The growing integration of batteries in diverse applications, including electric vehicles and renewable energy systems, necessitates robust battery health monitoring strategies. This work employs current and voltage data acquired during battery discharge, subsequently analyzed using MATLAB 2023b software to determine the pertinent RC parameters. A third-order Equivalent Circuit Model (ECM) of RC, comprising three RC pairs, is implemented to enhance the precision of parameter estimation. The results demonstrate a strong correlation between the number of RC pairs and the accuracy of dynamic battery response representation. A higher-order model generally yields more precise estimations of battery performance. However, increasing model complexity can lead to overfitting, potentially diminishing the model's ability to accurately reflect actual battery behavior. This study contributes significantly to the understanding of LiFePO4 battery internal characteristic modeling and underscores the importance of balancing model fidelity with computational complexity.
PENGEMBANGAN BISNIS UMKM SECARA DIGITALISASI DI CILINCING Edward, Robert; Ridhwan , Muhammad; Ika Widiastuti; Ode, Samsul
Jurnal Al Basirah Vol. 5 No. 2 (2025): Al Basirah
Publisher : LPPM STAIMAS WONOGIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58326/jab.v5i2.424

Abstract

Tujuan utama pelaksanaan kegiatan pengabdian kepada masyarakat di wilayah RW 14 Kelurahan Kalibaru, Kecamatan Cilincing, Jakarta Utara adalah untuk meningkatkan pengetahuan bagi pelaku UMKM di terkait pentingnya pemanfaatan digital marketing bagi UMKM. Dalam pelaksanaan kegiatan pengabdian kepada masyarakat dengan metode Seminar dibagi kedalam tigat sesi dimana pada masing-masing sesi diberikan materi yang berbeda-beda. Pada keseluruhan sesi, termasuk sesi tentang pemanfaatan platform digital untuk meningkatkan Penggunaaan Platform Marketplace, narasumber yang menjadi pemateri berasal dari Dosen Universitas 17 Agustus 1945 Jakarta. Hal ini sebagai bentuk pengabdian kepada masyarakat, khususnya pelaku UMKM yang harus terus berjuang di tengah kondisi ekonomi negara dan dunia yang semakin tidak menentu. Salah satu hasil temuan yang diperoleh dari kegiatan pengabdian yaitu kurangnya pengetahuan dari pelaku UMKM di wilayah RW 14 Kelurahan Kalibaru, Kecamatan Cilincing, Jakarta Utara terkait platform digital. Sehingga, dengan adanya penyampaian informasi kepada peserta Seminar terkait platform e-commerce, diharapkan dapat membantu pelaku UMKM di wilayah RW 14 Kelurahan Kalibaru, Kecamatan Cilincing, Jakarta Utara untuk dapat melakukan ekspansi pasar dan membangun Bisnis UMKM baru.
Co-Authors asri, andarini Edward, Robert Farid, Andi Fahrul Ika Widiastuti Maya Itasari Nurfadhilah, Annisa Samsul Ode Thaha, Sarma