Delayed Disturbance Attenuation via Measurement Noise Estimation

Igor Furtat, Emilia Fridman

Research output: Contribution to journalArticlepeer-review

Abstract

A novel control law is proposed to attenuate the influence of bounded disturbances and measurement noises for plants with vector output and sector-bounded nonlinearities. The control law is based on the estimation of measurement noises. Differently from the existing results, the ultimate bound of the closed-loop system depends only on one component of the noise vector (as well as on the disturbance). The proposed control law is extended to systems with uncertain input and output delays. The input-to-state stability conditions are given in terms of matrix inequalities. The efficiency and advantages of the results over the existing methods are demonstrated by numerical examples.

Original languageEnglish
Pages (from-to)5546-5553
Number of pages8
JournalIEEE Transactions on Automatic Control
Volume66
Issue number11
DOIs
StatePublished - 1 Nov 2021

Keywords

  • Disturbance attenuation
  • Lyapunov-Krasovskii functional
  • time delay

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