<![CDATA[Inconsistency in series-connected batteries is one of the factors that affect the performance while reduce lifetime battery. To ensure that the cells in a series battery pack have the same energy charge rate and maximize the overall full capacity of the battery, a battery balancing component is required. However, conventional balancing techniques that still use voltage as the control variable have a weakness, when the difference or voltage gap between batteries is small, the balancing current provided is also small, as a result this condition affects the balancing speed. To overcome deficiencies, This research proposes the design of a Cuk converter-based active balancing circuit with a bidirectional energy transfer mechanism using State of Charge (SOC) as a control variable with a Fuzzy Logic Controller (FLC) - Proportional Integral (PI) strategy. The test simulation results show that compared to the conventional technique, the proposed balancing topology is able to shorten balancing time significantly, guarantee safe balancing operation, and a dynamic balancing current regulation mechanism that is adaptive to battery conditions.]]>
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