Dynamic delayed controllers for recycling systems with internal delays and complex poles

Dynamic delayed controllers for recycling systems with internal delays and complex poles

Recycling systems are a challenging problem from the control viewpoint due to their detrimental effects. This paper proposes a simple way to stabilize and control a class of high‐order recycling systems with time delays, internal instability, and possible complex conjugate poles. The strategy propos...

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Bibliographic Details
Published in:Asia-Pacific journal of chemical engineering Vol. 13; no. 1
Main Authors: Vazquez‐Guerra, R. J., Marquez‐Rubio, J. F., Hernández‐Pérez, M. A., del Muro‐Cuéllar, B., Sánchez‐García, J. C.
Format: Journal Article
Language:English
Published: 01-01-2018
Subjects:
recycling system
stabilization
time delay
unstable processes
Online Access:Get full text
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Summary:Recycling systems are a challenging problem from the control viewpoint due to their detrimental effects. This paper proposes a simple way to stabilize and control a class of high‐order recycling systems with time delays, internal instability, and possible complex conjugate poles. The strategy proposes P/PI/PD/PID‐like delayed controllers. Conditions to guarantee the stability of the controlled closed‐loop system are stated. The performance of the proposed delayed controllers is illustrated via numerical simulations of a high‐order unstable recycling system and an industrial chemical process.
ISSN:1932-2135
1932-2143
DOI:10.1002/apj.2146