Boundary Constrained Control of Flexible String Systems Subject to Disturbances

Zhijie Liu; Zhijia Zhao; Choon Ki Ahn

doi:10.1109/TCSII.2019.2901283

Boundary Constrained Control of Flexible String Systems Subject to Disturbances

Zhijie Liu, Zhijia Zhao, Choon Ki Ahn

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

This brief concentrates on controller design for flexible string systems subjected to external disturbances, input constraints, and state constraints. The hyperbolic barrier Lyapunov function and auxiliary systems are adopted to develop boundary constrained control with a disturbance observer for restraining vibrations, eliminating input and state constraints, and tackling external disturbances. The suggested control can ensure the input and state constraints and achieve asymptotic stability in the controlled system. With appropriate design parameters, the simulation results obtained verify the control performance.

Original language	English
Article number	8651373
Pages (from-to)	112-116
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	67
Issue number	1
DOIs	https://doi.org/10.1109/TCSII.2019.2901283
Publication status	Published - 2020 Jan

Keywords

Boundary control
disturbance observer
input constraints
state constraints
vibration control

ASJC Scopus subject areas

Electrical and Electronic Engineering

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