Passivity-based PI control of switched power converters

  title={Passivity-based PI control of switched power converters},
  author={Marcelo A. P{\'e}rez and Romeo Ortega and Jos{\'e} R. Espinoza},
  journal={2003 European Control Conference (ECC)},
This paper addresses the practically important question of when a nonlinear system can be asymptotically stabilized with a linear proportional-integral (PI) controller, and shows that it is possible if the system can be passified with constant (though unknown) control actions. This simple result is then used to propose a constructive methodology to design PI schemes for switched power converters, which are viewed from a novel perspective: with the switches acting as effective "port variables… CONTINUE READING
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