Control of unstable delayed recycling systems

Rocio Jasmin Vazquez‐Guerra, Juan Francisco Marquez‐Rubio, David Fernando Novella Rodriguez, Basilio Del Muro‐Cuéllar, Domingo Cortes‐Rodríguez

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


This work deals with the stabilization of recycling systems with unstable dynamics at both the direct and recycling paths as well as different time delays for each path. The main contribution of this work is to provide a stabilizing strategy of such class of systems using an observer-based control approach. Stability results concerning stable recycling systems or partially unstable recycling system can be found in literature. However, to the best of our knowledge, there are no stability results when unstable dynamics are considered in both paths of the recycling process. Necessary and sufficient stability conditions of the proposed stabilizing controllers are obtained from a frequency domain analysis.

Original languageEnglish
Article numbere2290
JournalAsia-Pacific Journal of Chemical Engineering
Issue number2
Publication statusPublished - 1 Mar 2019
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by the Secretary of Science, Technology, and Innovation of Mexico City, under grant SECITI/079/2017.

Publisher Copyright:
© 2019 Curtin University and John Wiley & Sons, Ltd.

Copyright 2019 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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