Una estrategia de bloqueo de movimientos en control predictivo para problemas de seguimiento (An Improved Move-Blocking Strategy in Predictive Control for Setpoint Tracking)

Guillermo Valencia Palomo (gvalencia@ith.mx)1, Francisco Ronay López Estrada2, Carlos Daniel García Beltrán3, Jorge Alberto Orrante Sakanassi1, Jose Antonio Hoyo Montaño1

1Instituto Tecnológico de Hermosillo
2Instituto Tecnológico de Tuxtla Gutiérrez
3Centro Nacional de Investigación y Desarrollo Tecnológico

This paper appears in: Revista IEEE América Latina

Publication Date: May 2017
Volume: 15,   Issue: 5 
ISSN: 1548-0992

One of the main features of model predictive control is its ability to incorporate in the computation of the control law the advance (future) knowledge of the setpoint trajectory. Nevertheless, it can be shown that the standard move-blocking approaches that take into account this future information could reduce rather than improve its performance with no stability guarantees. Therefore, objective of this paper is first demonstrate where existing algorithms have weaknesses and then develop an algorithm based on move-blocking which allows nominal stability guarantees, optimal nominal performance and tracking.

Index Terms:
Predictive control, tracking   

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