document: Robust stability analysis for current-programmed regulators Uncertainty models for the three basic switch-mode converters : buck , boost , and buck-boost are given in this paper . The resulting models are represented by linear fractional transformations with structured dynamic uncertainties . Uncertainties are assumed for the load resistance R = R/sub O / -LRB- 1 + delta / sub R / -RRB- , inductance L = L/sub O / -LRB- 1 + delta / sub L / -RRB- , and capacitance C = C/sub O / -LRB- 1 + delta / sub C / -RRB- . The interest in these models is clearly motivated by the need to have models for switch-mode DC-DC converters that are compatible with robust control analysis , which require a model structure consisting of a nominal model and a norm-bounded modeling uncertainty . Therefore , robust stability analysis can be realized using standard mu - tools . At the end of the paper , an illustrative example is given which shows the simplicity of the procedure
doc_bio_tags: B I I O O O B I O O O O O O O O O O O O O O O O O O O O O O O O O B I I O B I I O O O O O O B I O O O O O O O O O O O O O O O B O O O O O O O O O O O O O O O O B O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B I O O O O O O O O O B I O O O O O O O O B I I O O O O O O O O O O O O O O O O O O O O O O O O O O O O
extractive_keyphrases: robust stability analysis uncertainty models linear fractional transformations structured dynamic uncertainties load resistance capacitance inductance control analysis nominal model
abstractive_keyphrases: current-programmed regulators buck converters boost converters buck-boost converters switch-mode dc-dc converters norm-bounded modeling uncertainty