| Issue |
MATEC Web Conf.
Volume 95, 2017
2016 the 3rd International Conference on Mechatronics and Mechanical Engineering (ICMME 2016)
|
|
|---|---|---|
| Article Number | 15011 | |
| Number of page(s) | 5 | |
| Section | Power System and Electrical Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20179515011 | |
| Published online | 09 February 2017 | |
Magnetic Flux Density Feedback Control for Permanent Magnetic-Electromagnetic Hybrid Suspension System
College of Mechatronics Engineering and Automation, National University of Defense Technology, 410073 Changsha, China
Permanent magnetic-electromagnetic hybrid suspension system can effectively reduce energy consumption and heat release of the system, but also increase the difficulty of suspension control because of the existence of permanent magnets. The traditional current feedback control method is not conducive to the stability of the system and is difficult to debug. In this paper, the models of permanent magnetic-electromagnetic hybrid suspension system based on current feedback and magnetic flux density feedback are established. The effects of current feedback and magnetic flux density feedback on the stability of the system are analyzed in theory and the advantages of flux density feedback are pointed out. The model of magnet flux feedback is simple and it can overcome the disadvantages of current feedback, which is beneficial to the stability of the system. The magnetic flux density feedback control of permanent magnetic-electromagnetic hybrid suspension system is realized by simulation and experiment. Control system performs well and is easy to debug.
© The Authors, published by EDP Sciences, 2017
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