Stabilisation of an anti-stable joint string with boundary disturbance

Lingling Su, Jun Min Wang*

*Corresponding author for this work

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Abstract

In this paper, we consider the boundary stabilisation for a one-dimensional joint anti-stable string equation with input disturbance entering the control end. A backstepping transformation is used to design a suitable boundary controller so that the system is equivalent to a target system which is exponentially stable when the disturbance is absent. The active disturbance rejection control approach (ADRC) is adopted to estimate and eliminate the external disturbance. The well-posedness and stability of the target system are presented. Some numerical stimulations indicate the effectiveness of the control law.

Original languageEnglish
Pages (from-to)1027-1038
Number of pages12
JournalInternational Journal of Control
Volume93
Issue number5
DOIs
Publication statusPublished - 3 May 2020

Keywords

  • ADRC
  • Joint anti-stable string
  • backstepping

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Su, L., & Wang, J. M. (2020). Stabilisation of an anti-stable joint string with boundary disturbance. International Journal of Control, 93(5), 1027-1038. https://doi.org/10.1080/00207179.2018.1487084