Neural Network Control of a Two-Link Flexible Robotic Manipulator Using Assumed Mode Method

被引:208
作者
Gao, Hejia [1 ,2 ]
He, Wei [1 ,2 ]
Zhou, Chen [1 ,2 ]
Sun, Changyin [3 ]
机构
[1] Univ Sci & Technol Beijing, Sch Automat & Elect Engn, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Minist Educ, Key Lab Knowledge Automat Ind Proc, Beijing 100083, Peoples R China
[3] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Assumed mode method (AMM); dynamic modeling; flexible robotic manipulator; flexible structure; neural networks (NN); vibration control; two-link; NONLINEAR-SYSTEMS; VIBRATION CONTROL; BOUNDARY CONTROL; TRACKING; EQUATION;
D O I
10.1109/TII.2018.2818120
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, the n-dimensional discretized model of the two-link flexible manipulator is developed by the assumed mode method (AMM). Subsequently, based on the discretized dynamic model, both full-state feedback control and output feedback control are investigated to achieve the trajectory tracking and vibration suppression. In order to guarantee the stability strictly, uniform ultimate boundedness (UUB) of the closed-loop system is realized by the Lyapunov's stability. Furthermore, through appropriately choosing control parameters, the states of the system will converge to zero within a small neighborhood. Eventually, extensive simulations and experiments on the Quanser platform for a two-link robotic manipulator are carried out to demonstrate the feasibility of the proposed neural network controller.
引用
收藏
页码:755 / 765
页数:11
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