Adaptive Passivity-Based Control of dc–dc Buck Power Converter With Constant Power Load in DC Microgrid Systems

@article{Hassan2019AdaptivePC,
  title={Adaptive Passivity-Based Control of dc–dc Buck Power Converter With Constant Power Load in DC Microgrid Systems},
  author={Mustafa Alrayah Hassan and Er-ping Li and Xue Li and Tianhang Li and Chenyang Duan and Song Chi},
  journal={IEEE Journal of Emerging and Selected Topics in Power Electronics},
  year={2019},
  volume={7},
  pages={2029-2040}
}
This paper presents a robust nonlinear control strategy to solve the instability problem of dc–dc buck power converter with a constant power load in dc microgrid systems. Based on the passivity-based control (PBC), a nonlinear disturbance observer (NDO) is designed to improve the control robustness against both load and line variations, whereas the PBC guarantees the system stability due to its property of transient energy dissipation. By applying the disturbance estimation technique, NDO works… CONTINUE READING

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