Dynamical Sliding-Mode Control of the Boost Inverter
Cortes, D.; Vazquez, N.; Alvarez-Gallegos, J.
Industrial Electronics, IEEE Transactions on
Volume 56, Issue 9, Sept. 2009 Page(s):3467 - 3476
Digital Object Identifier 10.1109/TIE.2008.2010205
Summary:The boost inverter is a device that is able to generate a sinusoidal voltage with an amplitude larger than the input voltage. Based on the idea of indirectly controlling the output voltage through the inductor current, a dynamical sliding-mode controller for the boost inverter is proposed in this paper. Unlike the usual approach of generating a sinusoidal voltage in both capacitors of the boost inverter, the strategy proposed in this paper focuses on generating a sinusoidal voltage on the load despite the voltage form of both capacitors. A consequence of doing so is that only the desired output voltage is required as reference to implement the controller. Furthermore, it has a fast response, is robust under load and input voltage variations, and yet, is remarkably simple to implement. Although it is strongly nonlinear, it can be implemented using standard electronics circuitry and only needs voltage measurements.
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