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Analysis of the Impact of Charging When Used on Laptop Battery Performance and Stability Amiruddin, Syuraih; Arifin, Sulthon Muakhor; Saragih, Yuliarman
Jurnal Teknik Elektro Indonesia Vol 5 No 2 (2024): JTEIN: Jurnal Teknik Elektro Indonesia
Publisher : Departemen Teknik Elektro Fakultas Teknik Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtein.v5i2.680

Abstract

In the current era, laptops have become important electronic devices in various activities. However, excessive use and the habit of charging while using it can affect the performance and stability of the laptop battery. This research uses a qualitative descriptive approach with interview methods and literature studies to analyze the impact of charging during use on battery performance and stability. The results of interviews with technicians show that battery damage often occurs due to overcharging or heavy use when charging. Factors such as Cycle Count Limit, State of Charge, Depth of Discharge, temperature, and voltage also affect battery performance. Preventing battery damage can be done by managing battery charging wisely, avoiding excessive temperatures, using a charger according to specifications, and removing the battery during heavy use. With this understanding, it is hoped that users can extend the service life and maintain laptop battery performance more effectively.
Kendali Kecepatan Motor DC untuk Sistem Sirkulasi Air Berbasis Fuzzy Sugeno Al Jamilah, Farda Mariam; Stefanie, Arnisa; Sunardi, Egi; Latifa, Ulinnuha; Arifin, Sulthon Muakhor
Jurnal Elektronika dan Otomasi Industri Vol. 13 No. 1 (2026): Jurnal Elkolind Vol. 13, No. 1, 2026 (Mei 2026)
Publisher : Program Studi Teknik Elektronika Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elkolind.v13i1.9736

Abstract

Sistem sirkulasi air dalam budidaya ikan membutuhkan kontrol kecepatan motor DC yang stabil untuk menjaga kualitas air. Perubahan beban akibat fluktuasi tekanan dan penyumbatan filter sering menyebabkan ketidakstabilan kecepatan motor. Kontrol PID dengan metode Ziegler–Nichols cenderung menghasilkan overshoot yang tinggi dan respons yang kurang adaptif terhadap perubahan beban. Studi ini membandingkan kinerja kontrol PID dan metode Fuzzy Logic Sugeno dalam sistem kontrol kecepatan motor DC. Pemodelan motor dilakukan menggunakan fungsi transfer, sedangkan kontrol Fuzzy Sugeno dirancang berdasarkan variabel kesalahan dan delta error. Evaluasi dilakukan melalui simulasi respons waktu. Hasil simulasi menunjukkan bahwa kontrol PID menghasilkan overshoot sebesar 60,484% dan error keadaan tunak sebesar -0,587. Sebaliknya, kontrol Fuzzy Sugeno memberikan waktu naik yang lebih cepat yaitu 480,331 ms, tanpa overshoot, dan respons yang lebih stabil. Meskipun masih terdapat kesalahan keadaan tunak sebesar 0,503, kontrol Fuzzy Sugeno terbukti lebih adaptif dan stabil dibandingkan PID, sehingga lebih cocok untuk sistem sirkulasi air.