Abstract
This paper presents a novel sliding mode control for DC-DC buck converter. Our study is motivated by the output regulation problem of DC-DC converters with varying load and inaccuracy passive elements. In order to achieve stable output voltage, a terminal sliding mode controller (TSMC) is proposed. Different to traditional sliding mode control, a terminal sliding surface is introduced to assure finite convergent time of control errors on the surface. In addition, due to unknown bound of uncertainty, an adaptive law is derived to compensate the effect. As a result, the TSMC is modified to adaptive TSMC (ATSMC). Furthermore, this controller is implemented by a DSP card. Form the simulation and experiment results, the proposed control scheme is shown to be feasible.
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Chiu, CS., Lee, YT., Yang, CW. (2009). Terminal Sliding Mode Control of DC-DC Buck Converter. In: Ślęzak, D., Kim, Th., Stoica, A., Kang, BH. (eds) Control and Automation. CA 2009. Communications in Computer and Information Science, vol 65. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10741-2_10
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DOI: https://doi.org/10.1007/978-3-642-10741-2_10
Publisher Name: Springer, Berlin, Heidelberg
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