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Control of unstable delayed recycling systems

Abstract : This work deals with the stabilization of recycling systems with unstable dynamics at both, the direct path and the recycling paths as well as different time-delays for each path. The main contribution of this work is to provide a stabilizing strategy to the mentioned 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 is not stability results when unstable dynamics are considered in both paths of the recycling process. The provided necessary and sufficient stability conditions of the proposed stabilizing controllers are obtained from a frequency domain analysis.
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Submitted on : Tuesday, February 19, 2019 - 5:34:41 PM
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Rocio Jasmin Vazquez-Guerra, Juan Francisco Marquez-Rubio, David Fernando Novella-Rodríguez, Basilio del Muro-Cuellar, Domingo Cortes-Rodríguez. Control of unstable delayed recycling systems. Asia-Pacific Journal of Chemical Engineering, Wiley, 2019, pp.e2290. ⟨10.1002/apj.2290⟩. ⟨hal-02025669⟩

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