Development of a Generalized Predictive Control System for Polynomial Reference Tracking

Autor: G. Gentil, Edson Antonio Batista, Raymundo Cordero, Thyago Estrabis, Cristiano Quevedo Andrea
Rok vydání: 2021
Předmět:
Zdroj: IEEE Transactions on Circuits and Systems II: Express Briefs. 68:2875-2879
ISSN: 1558-3791
1549-7747
DOI: 10.1109/tcsii.2021.3058625
Popis: Some important applications require control systems capable of tracking high-degree polynomial references. However, polynomial reference tracking is difficult because the controller must have a fast response to track variable references. Generalized Predictive Control (GPC), used in industrial applications, has a fast response. However, up to now, GPC approaches in the literature are not designed for high-degree polynomial reference tracking. For that reason, this brief proposes a GPC system for the tracking of polynomial references of any degree. The high-order backward difference operator was used to develop an augmented prediction model designed to have an arbitrary number of embedded integrators. Thus, according to the internal model principle, the proposed predictive controller can track polynomial references of any degree. An optimization technique is used to define future control actions, while the control law is defined through the receding horizon principle. Simulation and experimental results prove that the proposed controller performs better than other approaches described in the literature.
Databáze: OpenAIRE