A Semi-Global Finite-Time Decentralized Control Method for High-Order Large-Scale Nonlinear Systems

被引：0
作者：
Jiang, Ziwen [1 ]
Zhang, Hanwen [1 ]
Xue, Lingrong [2 ]
机构：
[1] Shanxi Univ, Sch Automat & Software Engn, Taiyuan 030006, Peoples R China
[2] Shanxi Univ Finance & Econ, Sch Informat, Taiyuan 030006, Peoples R China
来源：
ACTUATORS | 2024年 / 13卷 / 07期
关键词：
decentralized control; homogeneous domination; stabilization; OUTPUT-FEEDBACK STABILIZATION; ADAPTIVE-CONTROL;
D O I：
10.3390/act13070250
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This study focuses on the decentralized stabilization issue of high-order large-scale nonlinear systems with unknown disturbances. A novel decentralized semi-global finite-time control approach is suggested by constructing a Lyapunov function with both quadratic and higher-order components and employing the method of homogeneous domination. Based on the designed Lyapunov function, a state-feedback controller is constructed for the nominal system. Subsequently, the scaling gain is flexibly introduced to enable semi-globally finite-time stabilization of the nonlinear system. Besides, the approach is extended to the problem of decentralized tracking control of high-order large-scale nonlinear systems. Finally, numerical and practical examples validate the effectiveness of the presented control strategy.
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页数：20
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