Parameter adaptive terminal sliding mode control for Full-Bridge DC-DC converter

Kai Zhou, Chengxiang Yuan, Dongyang Sun, Ningzhi Jin and Xiaogang Wu

PLOS ONE, 2021, vol. 16, issue 2, 1-14

Abstract: The poor dynamic performance problem of a Full-Bridge converter under a traditional control strategy is investigated in this study. A new parameter adaptive terminal sliding mode control policy is developed for a Full-Bridge DC-DC converter, by combining the integral part with the power function and differential function in the design of the sliding surface. In theory, the steady-state error of the system can approach zero within a short time. To manage the un-ideal situation after using a fixed value of power γ, an improved γ adaptive algorithm is proposed. The system output is tracked and γ is adjusted in real time. The effect of the system can be guaranteed always in an optimal state. Finally, simulation results are provided to verify the performance of the proposed design method under different conditions.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0247228

DOI: 10.1371/journal.pone.0247228

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