Application of gain scheduled H robust controllers to a magnetic bearing

Fumio Matsumura, Toru Namerikawa, Kazuhiko Hagiwara, Masayuki Fujita

Research output: Contribution to journalArticlepeer-review

129 Citations (Scopus)


This paper deals with the problem of an unbalance vibration zof the magnetic bearing system. We design a control system achieving the elimination of the unbalance vibration, using a loop shaping design procedure (LSDP). After the introduction of our experimental setup, a mathematical model of the magnetic bearing is shown. Then, the gain scheduled H robust controllers with free parameters are designed, based on the LSDP, so as to asymptotically reject the disturbances caused by unbalance on the rotor, even if the rotational speed of the rotor varies. Finally, several simulation results and experimental results show the effectiveness of this proposed methodology.

Original languageEnglish
Pages (from-to)484-493
Number of pages10
JournalIEEE Transactions on Control Systems Technology
Issue number5
Publication statusPublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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