Control of Time Delay in Magnetic Levitation Systems

被引：7
作者：
Sun, Yougang [1 ,2 ]
Wang, Sumei [3 ]
Lu, Yang [3 ]
Xu, Junqi [2 ]
Xie, Si [4 ]
机构：
[1] Tongji Univ, Inst Rail Transit, Shanghai 201804, Peoples R China
[2] Tongji Univ, Natl Maglev Transportat Engn R&D Ctr, Shanghai 201804, Peoples R China
[3] Polytech Univ, Natl Rail Transit Electrificat & Automat Engn Tec, Hong Kong Branch, Hong Kong, Peoples R China
[4] Shanghai Maritime Univ, Coll Logist Engn, Shanghai 201306, Peoples R China
来源：
IEEE MAGNETICS LETTERS | 2022年 / 13卷
基金：
中国国家自然科学基金;
关键词：
Magnetic instruments; electromagnetics; magnetic levitation; magnetodynamics; numerical methods; STABILIZATION;
D O I：
10.1109/LMAG.2021.3123909
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The high-performance control of magnetic levitation (maglev) vehicles has encountered challenges in the form of time delays. In this letter, we model a reliable control method based on a Takagi-Sugeno fuzzy model aimed at solving the problem of air gap control of a magnetic levitation system for a maglev vehicle under time-delay conditions. The key idea is based on the global fuzzy model derived through sector nonlinearity to design a global controller utilizing the parallel distributed compensation method and H-infinity method. As a result, the stability of the system is guaranteed under conditions of mass parameter uncertainty, disturbance, and time delay. The theoretical analysis, numerical simulations, and experimental results consistently show the effectiveness of the control method.
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页数：5
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