Abstract
This paper presents practical design procedure of the electric measuring circuit and evaluation/communication unit of the multi-cell series–parallel connection of traction lead-acid batteries. The target use is online SOC monitoring during the operation of automated guided vehicle (AGV), which is being used for in-house automated industrial processes. Based on the state-of-the-art review, proper methodology for SOC determination was selected for the given lead-acid battery technology. For that purpose, the measuring procedure for identification of the battery equivalent circuit was initially realized and is being described within the main text. The results from the equivalent circuit identification were used for design of the precise measuring circuit which is responsible for the determination of SOC levels based on selected methodologies. These methodologies were implemented within evaluating unit (MCU), while functionality of the proposed system for the SOC identification was tested and evaluated within standard operational conditions of AGV robot.
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Acknowledgements
This research was funded by a Grant (No. APVV-15/0396 and APVV-17/0345) from the Agentura na podporu vyskumu a vyvoja, Slovakia, and by a Grant (No. Vega-1/0547/18).
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Frivaldsky, M., Sedo, J., Pipiska, M. et al. Design of measuring and evaluation unit for multi-cell traction battery system of industrial AGV. Electr Eng 102, 1579–1591 (2020). https://doi.org/10.1007/s00202-020-00982-z
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DOI: https://doi.org/10.1007/s00202-020-00982-z