Digital decoupling controller design for multiple time-delay continuous-time transfer function matrices

L. B. Xie, C. Y. Wu, L. S. Shieh, J. S.H. Tsai

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper presents an extended adjoint decoupling method to conduct the digital decoupling controller design for the continuous-time transfer function matrices with multiple (integer/fractional) time delays in both the denominator and the numerator matrix. First, based on the sampled unit-step response data of the afore-mentioned multiple time-delay system, the conventional balanced model-reduction method is utilised to construct an approximated discrete-time model of the original (known/unknown) multiple time-delay continuous-time transfer function matrix. Then, a digital decoupling controller is designed by utilising the extended adjoint decoupling method together with the conventional discrete-time root-locus method. An illustrative example is given to demonstrate the effectiveness of the proposed method.

Original languageEnglish
Pages (from-to)577-589
Number of pages13
JournalInternational Journal of Systems Science
Volume46
Issue number4
DOIs
Publication statusPublished - 2015 Mar 25

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Theoretical Computer Science
  • Computer Science Applications

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