A predictive robust cascade position-torque control strategy for Pneumatic Artificial MusclesReportar como inadecuado




A predictive robust cascade position-torque control strategy for Pneumatic Artificial Muscles - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

1 LIRMM - Laboratoire d-Informatique de Robotique et de Microélectronique de Montpellier 2 Fatronik France 3 DEXTER - Conception et commande de robots pour la manipulation LIRMM - Laboratoire d-Informatique de Robotique et de Microélectronique de Montpellier

Abstract : Is it possible to synthesize an easy-to-implement predictive force controller for electropneumatic cylinders? In this paper, this problem is treated in details. As an electropneumatic cylinder is a highly nonlinear actuator, our strategy is based on the precise nonlinear modeling of the actuator and the application of a feedback linearization strategy. This enables to have an equivalent linearized model and therefore, to find an explicit solution of the predictive optimization problem. The obtained controller is then an easy-to-implement one and the number of control parameters is very reduced: the weighting coefficient and the prediction horizon. Experimental results prove the availability of this control approach and good performances in terms of capacity of tracking long duration static forces of high amplitudes

keyword : Pneumatic muscles GPC cascade control LMI H-infinity





Autor: Lotfi Chikh - Philippe Poignet - François Pierrot - Micaël Michelin -

Fuente: https://hal.archives-ouvertes.fr/



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