Nonlinear Control for Electromagnetic Suspension Systems on Elastic Guideway

Nonlinear Control for Electromagnetic Suspension Systems on Elastic Guideway

Guowen Dai Yougang Sun Dashan Dong Haiyan Qiang

College of Logistics Engineering, Shanghai Maritime University, 201306, China

Corresponding Author Email: 
hyqiang@shmtu.edu.cn
Page: 
7-12
|
DOI: 
http://dx.doi.org/10.18280/mmep.020402
Received: 
N/A
| |
Accepted: 
N/A
| | Citation

OPEN ACCESS

Abstract: 

In order to improve the control behavior of the electromagnetic suspension (EMS) system of the low-speed maglev train, this paper establish the train-guideway coupling non-linear dynamic model composed of the single electromagnet and the elastic guideway. Hurwitz stability criterion is utilized to prove the open-loop instability of the train-guideway coupling system. The vibration information of the guideway is input into the controller design and involved in the calculation of the control strategy. Simulation results show the presented controller can eliminate the vibration of the guideway and reduce the exacting requirements of system stability on the guideway properties. Moreover, the train-guideway coupling system with the presented controller shows better dynamic performance.

Keywords: 

Low-speed maglev train 1, Dynamic model 2, Coupling vibration 3, Nonlinear control 4.

1. Introduction
2. Basic Principle of EMS System
3. Dynamics Model of EMS System with Flexible Guideway
4. The Design of Controller and Dynamic Analysis of System
5. Simulation Results
6. Conclusion
Acknowledgement

This research is supported by Key Projects in the National Science & Technology Pillar Program of China. (2013BAG19B00-01), Key Projects in the National Science & Technology Pillar Program during the Twelfth Five-year Plan Period (2011BAJ02B00).

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