Robust Non-Linear Controller Design for DC-DC Buck Converter via Modified Back-Stepping Methodology

This paper introduces two improved control algorithms for DC-DC converters. The first one is called “Non-Adaptive Modified Back-Stepping Control” (M-BSC) and the second “Adaptive (AM-BSC). Both proposed schemes allow to increase robustness load input voltage variations make converter less sensitive disturbances concerning available in literature. aims keep output at desired value despite any changes that may occur during its operation. As a case study, techniques have been applied Buck converter. To validate theoretical results evaluate performance of algorithms, numerical simulations with four different scenarios analyzed: nominal operating conditions, variations, tracking, variations. simulation highlight good compared other classical improving both stationary error response time.