A NOVEL REDUCED-ORDER FAULT RECONSTRUCTION APPROACH FOR MISMATCHED SYSTEMS

被引：0
|
作者：
Sheng, Zhenwen [1 ]
He, Yiheng [2 ]
He, Jing [2 ]
Hu, Xinliang [3 ]
机构：
[1] Shandong Xiehe Univ, Coll Engn, Jinan, Peoples R China
[2] Hunan Univ Technol, Coll Elect & Informat Engn, Zhuzhou, Hunan, Peoples R China
[3] Sch Modern Equipment Mfg Inst, Chenzhou, Hunan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ROBOTICS & AUTOMATION | 2024年 / 39卷 / 04期
关键词：
Sliding mode observer; reduced-order reconstruction; fault reconstruction; LINEAR DYNAMIC-SYSTEMS; SLIDING MODE OBSERVERS; DIAGNOSIS; STATE;
D O I：
10.2316/J.2024.206-1066
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, a reduced-order fault reconstruction approach is proposed for a mismatched non-linear system with actuator faults, disturbances and uncertainties. First, such a system is separated into multiple sub-systems through state transformation, and then, reduced-order transformation is conducted on the system to transform the mismatched system into matched sub-systems to obtain a reduced-order model that is efficient for locally separating the effects of mismatched faults and disturbances. Then, a sliding-mode observer is designed for the reduced-order is conducted to verify the effectiveness of the proposed method.
引用
收藏
页码：330 / 337
页数：8
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