Variable universe fuzzy PID control strategy of permanent magnet biased axial magnetic bearing used in magnetic suspension wind power generator

Guangming Zhang, Lei Mei, Yuhao Yuan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

Improvements of wind power generator in energy utilization rate, electric generation efficiency and reliability can be achieved when maglev technology is applied. This paper presents a maglev horizontal axis wind power generator with two radial permanent magnet bearings and one permanent magnet biased axial magnetic bearing. The structure and working principle of the maglev wind power generator and axial magnetic bearing are presented. The finite element simulations of electromagnetic field in the axial magnetic bearing are performed by ANSYS, and the current stiffness and displacement stiffness are obtained. In order to fit the rapidity and randomness of wind load, the axial displacement of the rotor is controlled based on the variable universe fuzzy PID control strategy. The simulation of the control system is performed in MATLAB.

Original languageEnglish
Title of host publicationIntelligent Robotics and Applications - 5th International Conference, ICIRA 2012, Proceedings
Pages34-43
Number of pages10
EditionPART 1
DOIs
StatePublished - 2012
Event5th International Conference on Intelligent Robotics and Applications, ICIRA 2012 - Montreal, QC, Canada
Duration: 3 Oct 20125 Oct 2012

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 1
Volume7506 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference5th International Conference on Intelligent Robotics and Applications, ICIRA 2012
Country/TerritoryCanada
CityMontreal, QC
Period3/10/125/10/12

Keywords

  • Fuzzy PID control
  • Magnetic bearing
  • Variable universe
  • Wind power

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