Magnetic levitation system control research based on improved linear active disturbance rejection

被引:0
|
作者
Li, Weichao [1 ,2 ]
Fan, Kuangang [1 ,2 ,3 ]
Wu, Ziwei [1 ,2 ]
机构
[1] Jiangxi Univ Sci & Technol, Sch Elect Engn & Automat, Kejia St 1958, Ganzhou 341000, Peoples R China
[2] Jiangxi Univ Sci & Technol, Magnet Suspens Technol Key Lab Jiangxi Prov, Ganzhou, Peoples R China
[3] Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou, Peoples R China
关键词
Magnetic levitation system; improved linear active disturbance rejection control; anti-interference ability; linear active disturbance rejection control; tracking effect; OPTIMIZATION; DESIGN;
D O I
10.1177/01423312241229838
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 study, we propose an improved linear active disturbance rejection control (I-LADRC) method to achieve stable suspension of magnetic levitation balls. This method can not only solve the overshoot problem but also enhance the anti-interference capability. The control algorithm is designed, and the convergence of the control system is verified by derivation. To verify the effectiveness of the proposed control algorithm, we conduct simulation experiments and analyze the dynamic performance, tracking effect, and anti-interference ability of four controllers: sliding mode control (SMC), LADRC, longitudinal error-LADRC (LE-LADRC), and I-LADRC. Simulation results show that I-LADRC outperforms SMC, LADRC, and LE-LADRC regarding tracking effect and anti-interference ability. We also experimentally verify the control performance of I-LADRC. The experimental results show that I-LADRC has strong anti-interference ability and robust performance, which is 100% and 50% higher than LADRC and LE-LADRC, and has good dynamic performance, which verifies the effectiveness of the simulation experiment, which exhibits better robustness and dynamic performance.
引用
收藏
页码:2959 / 2970
页数:12
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