Intelligent decoupled controller for mobile inverted pendulum real-time implementation

被引:2
作者
Chiu, Chih-Hui [1 ]
Peng, Ya-Fu [2 ]
Sun, Chung-Hsun [3 ]
机构
[1] Natl Taiwan Ocean Univ, Dept Commun Nav & Control Engn, Keelung 202, Taiwan
[2] Chien Hsin Univ, Dept Elect Engn, Taoyuan, Taiwan
[3] Tamkang Univ, Dept Mech & Electromech Engn, Tamsui, Taipei County, Taiwan
关键词
Mobile inverted pendulum; backstepping tracking control; H-infinity control; output recurrent cerebellar model articulation control; decoupled intelligent controller; SYSTEMS; DESIGN;
D O I
10.3233/IFS-162109
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this work, an intelligent decoupled backstepping control system (IDBCS) is proposed for mobile inverted pendulums (MIPs) real-time control. This control system combined with adaptive output recurrent cerebellar model articulation controller (AORCMAC) and H-infinity control theory. The AORCMAC is designed to imitate an ideal backstepping controller, and the H-infinity controller is used to mitigate the effect of the approximation errors and outer disturbances. The decoupled method provides an easy way to achieve asymptotic stability control for a fourth-order nonlinear mobile inverted pendulum system. The concept of the decoupled approach is to decouple the whole system into two subsystems such that each subsystem has an individual control target. Then, the secondary subsystem provides information for the main subsystem, which generates a control action to make both subsystems move to their targets, respectively. In other words, it means that a fourth-order MIP system can be controlled well based on a second-order dynamic model. Moreover, all the adaptation laws of the IDBCS are obtained based on Lyapunov stability criterion, Taylor linearization technique and H-infinity control technique, so that the stability of the system can be guaranteed. Experiment results show that the MIP can stand stably when it moves toward a given position.
引用
收藏
页码:3809 / 3820
页数:12
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