Nested saturation control for overhead crane systems

被引:63
|
作者
Liu, Rongjie [1 ]
Li, Shihua [1 ]
Ding, Shihong [2 ]
机构
[1] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China
[2] Jiangsu Univ, Coll Elect & Informat Engn, Zhenjiang, Peoples R China
基金
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词
Finite-time stability; nested saturation; overhead crane; upper-triangular system; FINITE-TIME STABILIZATION;
D O I
10.1177/0142331211423285
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 presents a new control strategy for overhead crane systems. First, by utilizing a coordinate change, the underactuated overhead crane dynamical model can be transformed into an upper-triangular form. Second, a finite-time controller is designed based on the nonlinear nested saturation and adding a power integrator technique. Rigorous proof shows that the controller can guarantee finite-time stability of the closed-loop system. Simulations show the effectiveness of the proposed method.
引用
收藏
页码:862 / 875
页数:14
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