A Novel Predictive Control Scheme for Interleaved Buck Converter in Low Power Applications
DOI:
https://doi.org/10.13052/dgaej2156-3306.37311Keywords:
Model predictive control, proportional integral control, inter- leaved buck converter, multiphasing.Abstract
This paper presents a model predictive control (MPC) approach for Inter-
leaved Buck Converter in low power applications. Traditional PI-based con-
trol strategies have an arduous tuning process and can affect its performance
when there are fluctuations in the operating point. Therefore, an MPC-based
control strategy is proposed because of its simplicity, intuitiveness, ease
of implementation, and inclusion of nonlinearities and constraints. Firstly,
the model of Interleaved Buck Converter (IBC) is developed. Secondly, a
two-loop control strategy is developed with predictive inner current control
and outer voltage control for DC link voltage regulation. In comparison
to traditional control strategies, the proposed one has a better dynamic
response. Finally, simulation studies are done using MATLAB Simulink, and a prototype experimental setup is developed to validate the effectiveness of
the proposed control strategy in the dSPACE1104 platform.
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