Two-channel relay feedback method under static disturbances

Su Whan Sung, Jietae Lee, Dong Hyun Lee, Jong Hun Han, Young Soo Park

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We propose a two-channel relay feedback method in order to guarantee a prespecified phase angle of the estimated model under a large input disturbance of which the magnitude is possibly bigger than the magnitude of the relay. The proposed method uses the conventional relay followed by two channels, a proportional channel and an integrator plus relay channel. The ratio of the two gains of the two channels specifies the phase angle of the estimated model. We do not need to define deviation variables initially before we apply the proposed relay feedback method, which is very attractive from a practical point of view.

Original languageEnglish
Pages (from-to)4071-4074
Number of pages4
JournalIndustrial and Engineering Chemistry Research
Volume45
Issue number12
DOIs
StatePublished - 7 Jun 2006

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