Abstract
This chapter presents a reduced-order generalized proportional-integral observer (RGPIO)-based resonant super-twisting sliding mode controller (RST-SMC) for the three-phase AC/DC converters. On contrary to utilizing the proportional-integral (PI) controller in regulating the DC-link voltage, which may cause large undershoot/overshoot under the disturbance, the proposed voltage control strategy for the DC-link has high disturbance rejection ability, and the settling time has been greatly reduced. In addition, the proposed RST-SMC in the current control loop not only preserves the merits of the sliding mode controller but also achieves the current tracking without steady-state error in the stationary α − β frame. The effectiveness of the proposed method has been verified by a lab-constructed experimental prototype.
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Lu, J. (2023). An RGPI Observer-Based Resonant Super-Twisting Sliding Mode Control. In: Lu, J., Wei, B., Hou, X., Sun, Y. (eds) Advanced Control and Protection of Modular Uninterruptible Power Supply Systems. Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-031-22178-1_2
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DOI: https://doi.org/10.1007/978-3-031-22178-1_2
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