STATE OF CHARGE AND STATE OF HEALTH ESTIMATION IN MOBILE-BASED BATTERY CONDITION MONITORING SYSTEM

KUSUMOJAKTI, MOCHAMAD AQSHA PASALEWA (2025) STATE OF CHARGE AND STATE OF HEALTH ESTIMATION IN MOBILE-BASED BATTERY CONDITION MONITORING SYSTEM. Tugas Akhir thesis, Informatics.

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Abstract

The advancement of digital technology has heightened the demand for real-time battery condition monitoring, particularly in electric vehicles and renewable energy systems. Currently, battery condition monitoring is predominantly conducted manually, requiring individual inspections of batteries, which is both time-consuming and inefficient. Consequently, this study presents a mobile-based battery monitoring system designed to detect voltage, current, and temperature and calculate the State of Charge (SoC) and State of Health (SoH). This system employs a 0–25V voltage sensor, an ACS712 current sensor, and a DHT22 temperature sensor, all controlled by a Wemos D1 R32 microcontroller. Data is transmitted via MQTT and WebSocket, stored using a REST API, and displayed through a Flutter application. Additionally, the system is equipped with push notifications for early warnings. Test results indicated an average success rate of 85.8%. The connections to WiFi and MQTT functioned effectively; however, voltage and current readings require further optimization. All application features operated as intended, including notifications. This system has been successfully implemented as an accurate and efficient real-time solution for monitoring battery conditions, assisting users in preventing potential damage. Keywords: Battery Monitoring, Websocket, MQTT, Flutter, Notification

Item Type: Thesis (Skripsi, Tugas Akhir or Kerja Praktek) (Tugas Akhir)
Subjects: T Technology > T Technology (General)
Divisions: Fakultas Sains Dan Teknologi > S1 Informatika
Depositing User: Kaprodi S1 Informatika UTY
Date Deposited: 09 May 2025 03:34
Last Modified: 09 May 2025 03:34
URI: http://eprints.uty.ac.id/id/eprint/17970

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