The literature aims to improve the stability and voltage dynamics [10-15]. A nonlinear disturbance observer-based control algorithm is proposed in [10]. For enhancing the power quality and voltage dynamics of the DC-bus in a hybrid AC/DC micro-grid system. A robust nonlinear control scheme equation is presented [11] to regulate the DC microgrid's power management based on the Hamilton-Jacobi-Bellman. A combination of droop-based and current feed-forward control strategies is projected [12] using an observer-based methodology for achieving the system robustness and stability of the DC micro-grid. Based on a robust system, the adaptive droop control strategy the normalization and projection algorithm has been proposed [13] for achieving the improved voltage stability and current sharing capability in a DC micro-grid In [14], the energy management control strategy for power balancing in a multi-source DC micro-grid is being discussed. The efficacy of the method is validated through experimental results. In [IS], the series voltage regulator concept for controlling the DC-bus voltage of a DC micro-grid has been proposed. In [16], the improved power management control strategy is reported for a hybrid DC micro-grid by combining energy storage devices' voltage and state of charge (SoC). However, the conventional Pl-controller exhibits limited performance, especially during transient events when the change in operating point or variations in the system parameters
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