Multi-step ahead voltage prediction and voltage fault diagnosis based on gated recurrent unit neural network and incremental training

Hongqian Zhao, Zheng Chen, Xing Shu, Jiangwei Shen, Yonggang Liu and Yuanjian Zhang

Energy, 2023, vol. 266, issue C

Abstract: Accurate and early detection of voltage faults facilitates the driver and battery management system to take protective measures and reduce property damage and passenger injury. To identify the battery operation fault in a timely manner, this study develops an accurate multi-step voltage prediction and voltage fault diagnosis method based on gated recurrent unit neural network and incremental training. First, considering the impacts of drivers’ behaviors and vehicle states on battery performance under practical operations, a long-term operation dataset of electric scooters is acquired and established, and the Pearson correlation coefficient is applied to quantify these correlations. Then, the gated recurrent unit neural network, together with the multi-step ahead prediction scheme, is advanced to construct the voltage prediction model. Next, to effectively capture the performance variation of battery under complex dynamic operating environment, the incremental learning approach is developed to adaptively update the prediction model. Finally, the fault diagnosis strategy is proposed, with the combination of the voltage prediction model, to accurately detect battery faults of over-voltage, under-voltage, over-voltage change rate and poor consistency. The experimental validations highlight that the proposed method can predict the battery voltage 1 min in advance, and detect battery faults in real time with high accuracy.

Keywords: Fault diagnosis; Voltage prediction; Gated recurrent unit neural network; Multi-step ahead prediction; Incremental training (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:266:y:2023:i:c:s0360544222033825

DOI: 10.1016/j.energy.2022.126496

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