Globally convergent adaptive and robust control of robotic manipulators for trajectory tracking

被引：28

作者：

Alonge, F ^{[1
]}

D'Ippolito, F ^{[1
]}

Raimondi, FM ^{[1
]}

机构：

[1] Univ Palermo, Dipartimento Ingn Automaz & Sistemi, I-90128 Palermo, Italy

来源：

CONTROL ENGINEERING PRACTICE | 2004年 / 12卷 / 09期

关键词：

model-based robot control; robust-adaptive control; friction compensation;

D O I：

10.1016/j.conengprac.2003.11.007

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper deals with a globally convergent adaptive and robust control of robotic manipulators for trajectory tracking in the presence of friction modelled as static nonlinearities. Two control loops are designed according to the cascade control scheme: (a) an inner adaptive control loop, which includes computed torque and PD control actions and friction compensation and (b) an outer robust control loop for unmodelled dynamics compensation. With reference to item (a), two friction compensation schemes are presented; one of them uses both the reference and the actual velocities, whereas the other employs only the actual velocity. Experimental tests carried out on a two-link SCARA manipulator are shown in order to validate the proposed control scheme. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1091 / 1100

页数：10

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