Input-output implementation of the Youla architecture

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The well-known controller architecture based on the Youla parameterization is revisited in this paper. The key result in this paper is a reformulation of the Youla controller such that an exact implementation of the Youla parameterization part can be done using only terminals of the nominal controller. Further, the parameterization part does not use the nominal feedback controller directly
Original languageEnglish
Title of host publicationProceedings of 2021 American Control Conference
Number of pages6
Publication date2021
Publication statusPublished - 2021
Event2021 American Control Conference - Virtual event, New Orleans, United States
Duration: 25 May 202128 May 2021


Conference2021 American Control Conference
LocationVirtual event
Country/TerritoryUnited States
CityNew Orleans


  • Youla controller architecture
  • Controller parameterization
  • Coprime factorization


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