Control de Procesos Acoplados por Movimientos Colaborativos de Set Points en Sistemas MIMO (Control for Coupled Process by Collaborative Set Points Movement over MIMO Systems)

Jesus Antonio Hernandez Riveros (jahernan@unal.edu.co)1, Gustavo Ramirez Piedrahita (garamire@unal.edu.co)1


1Universidad Nacional de Colombia. Facultad de Minas.

This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2016
Volume: 14,   Issue: 12 
ISSN: 1548-0992


Abstract:
A control method that rejects disturbances affecting a declared critical dynamics in a MIMO-PID decentralized system is presented. Through coordinated set points displacement, some noncritical control loops are detuned. To avoid instability caused by the detuning, the selection of allowable set points is made through a collaborative optimization algorithm that provides robustness to control. The benefits and challenges of acting on set points to stabilize systems are discussed. Collaborative control concepts and definitions proposed by this scheme are explained. An analysis of the effects achieved on a single loop due detuning in the other loops is made. The proposed structure of collaborative control and results acting on a MIMO-PID process controlling the critical concentration on a CSTR type reactor are detailed.

Index Terms:
Collaborative Control, Consensus, MIMO-PID Control, Coupling, Dynamic Set Point.   


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