CONTROL PREDICTIVO DE UN ROBOT PARALELO

This paper presents an efficient application of a model based predictive control scheme in parallel robots. A predictive functional control strategy based on a simplified dynamic model is implemented. Experimental results are shown for the H4 robot, a fully parallel structure providing 3 degrees of freedom (dof) in translation and 1 dof in rotation. Three control strategies are compared (PID, computed torque control and predictive functional control) in complex machining tasks trajectories. Tracking performance and robustness are enlightened.

[1]  D. Stewart,et al.  A platform with 6 degrees of freedom , 1966 .

[2]  J. A. Rossiter,et al.  PREDICTIVE FUNCTIONAL CONTROL: MORE THAN ONE WAY TO PRESTABILISE , 2002 .

[3]  J. Richalet,et al.  Industrial applications of model based predictive control , 1993, Autom..

[4]  Wisama Khalil,et al.  Modeling, Identification and Control of Robots , 2003 .

[5]  Maxime Gautier,et al.  Nonlinear model predictive control of a robot manipulator , 2000, 6th International Workshop on Advanced Motion Control. Proceedings (Cat. No.00TH8494).

[6]  F. Pierrot,et al.  From Hexa to HexaM , 1999 .

[7]  E. Camacho,et al.  Generalized Predictive Control , 2007 .

[8]  François Pierrot,et al.  H4 parallel robot: modeling, design and preliminary experiments , 2001, Proceedings 2001 ICRA. IEEE International Conference on Robotics and Automation (Cat. No.01CH37164).

[9]  Carlos Canudas de Wit,et al.  Theory of Robot Control , 1996 .

[10]  Donal O'Donovan,et al.  Predictive Functional Control , 2011 .

[11]  Stephen J. Wright,et al.  Nonlinear Predictive Control and Moving Horizon Estimation — An Introductory Overview , 1999 .

[12]  François Pierrot,et al.  A new high-speed 4-DOF parallel robot synthesis and modeling issues , 2003, IEEE Trans. Robotics Autom..

[13]  Anita C. Faul,et al.  Non-linear systems , 2006 .

[14]  R. Clavel Une nouvelle structure de manipulateur parallèle pour la robotique légère , 1989 .

[15]  David W. Clarke,et al.  Generalized Predictive Control - Part II Extensions and interpretations , 1987, Autom..

[16]  P. Dauchez,et al.  Fast parallel robots , 1991, J. Field Robotics.

[17]  Eduardo F. Camacho,et al.  Control Predictivo: Pasado, Presente y Futuro , 2004 .

[18]  M. A. Abdelghani-Idrissi,et al.  Predictive functional control of a counter current heat exchanger using convexity property , 2001 .

[19]  Philippe Poignet,et al.  Predictive functional control of a parallel robot , 2005 .