Decentralized control of a rotor system supported by magnetic bearings

Yi Hua Fan*, An-Chen Lee

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations


The controller design for a permanent/electromagnetic magnetic bearing system that suspends a high-speed rigid horizontal rotor is investigated. The key points to ensure the stability of a rotor using this type of magnetic bearing are discussed. To facilitate implementation, a decentralized state feedback algorithm is proposed to stabilize the inherently unstable magnetic suspension system. Experimental results for the controlled system show that the system operates well at rotor speeds of up to 10,000 rpm.

Original languageEnglish
Pages (from-to)445-458
Number of pages14
JournalInternational Journal of Machine Tools and Manufacture
Issue number3
StatePublished - 1 Jan 1995

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