A switching fuzzy control method for the magnetic active suspension system

Authors:
Jiangtao Cao;Zhaojie Ju;Xiaofei Ji;Honghai Liu
Affiliations:
Institute of Industrial Research, University of Portsmouth, UK and School of Automation, Northeastern Polytechnical University, China;Institute of Industrial Research, University of Portsmouth, UK;Institute of Industrial Research, University of Portsmouth, UK;Institute of Industrial Research, University of Portsmouth, UK
Venue:
FUZZ-IEEE'09 Proceedings of the 18th international conference on Fuzzy Systems
Year:
2009

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Abstract

A switching fuzzy control system is proposed for dealing with the non-linear dynamics of electromagnetic suspension system. With two fuzzy sub-controllers and a switch engine, the switching fuzzy control system is flexible to cover changeable initial conditions with less computational cost. For satisfying the coupling constraint on positions of four floaters, a global self-supervisor with feedback structure is designed to control all four fuzzy subsystems. Simulations on the magnetic suspension with three different initial position settings demonstrated the efficiency of proposed method.