State of Charge Estimation of Lead Acid Battery using Neural Network for Advanced Renewable Energy Systems

Ryo G. Widjaja, Muhammad Asrol, Iwan Agustono, Endang Djuana, Christian Harito, G. N. Elwirehardja, Bens Pardamean, Fergyanto E. Gunawan, Tim Pasang, Derrick Speaks, Eklas Hossain, Arief S. Budiman

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

The Solar Dryer Dome (SDD), an independent energy system equipped with Artificial Intelligence to support the drying process, has been developed. However, inaccurate state-of-charge (SOC) predictions in each battery cell resulted in the vulnerability of the battery to over-charging and over-discharging, which accelerated the battery performance degradation. This research aims to develop an accurate neural network model for predicting the SOC of battery-cell level. The model aims to maintain the battery cell balance under dynamic load applications. It is accompanied by a developed dashboard to monitor and provide crucial information for early maintenance of the battery in the SDD. The results show that the neural network estimates the SOC with the lowest MAE of 0.175, followed by the Random Forest and support vector machine methods with MAE of 0.223 and 0.259, respectively. A dashboard was developed to help farmers monitor batteries efficiently. This research contributes to battery-cell level SOC prediction and the dashboard for battery status monitoring.

Original languageEnglish
Pages (from-to)691-703
Number of pages13
JournalEmerging Science Journal
Volume7
Issue number3
DOIs
StatePublished - Jun 2023

Keywords

  • Dashboard
  • Neural Network
  • Solar Dryer Dome
  • State-of-Charge. Lead Acid Battery

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