Application of predictive control techniques within parallel robot

被引:5
作者
Lara-Molina, Fabian Andres [1 ]
Rosário, João Maurício [1 ]
Dumur, Didier [2 ]
Wenger, Philippe [3 ]
机构
[1] UNICAMP, Mechanical Engineering School, Campinas - SP
[2] SUPELEC Systems Sciences (E3S), Automatic Control Department, Gif sur Yvette
[3] IRCCyN, Institut de Recherche en Communications et Cybernétique de Nantes, Nantes
来源
Controle y Automacao | 2012年 / 23卷 / 05期
关键词
Generalized Predictive Control; Parallel robot; Robot control;
D O I
10.1590/S0103-17592012000500002
中图分类号
学科分类号
摘要
This paper addresses the position tracking control application of a parallel robot using predictive control techniques. A Generalized Predictive Control strategy (GPC), which considers the linear dynamic model, is used to enhance the tracking position accuracy. The robustification of GPC against measurement noise and neglected dynamics using Youla parameterization is performed. A simulation of the orthoglide robot considering uncertainties related to geometrical and dynamic parameters, sensors noise and frictions is performed on two different trajectories. Finally, it is compared the robustified GPC controller with the classical Computed Torque Control (CTC). The robustified GPC controller shows a better performance for high accelerations and it also reduces the effect of the noise in the control signal of the parallel robot.
引用
收藏
页码:530 / 540
页数:10
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