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Boundary Constrained Control of Flexible String Systems Subject to Disturbances
- Authors
- Liu, Zhijie; Zhao, Zhijia; Ahn, Choon Ki
- Issue Date
- Jan-2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Vibrations; Circuits and systems; Disturbance observers; Stability analysis; Closed loop systems; Strain; Boundary control; input constraints; state constraints; disturbance observer; vibration control
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.67, no.1, pp.112 - 116
- Indexed
- SCIE
SCOPUS
- Volume
- 67
- Number
- 1
- Start Page
- 112
- End Page
- 116
- ISSN
- 1549-7747
- 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.
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Related Researcher
- Ahn, Choon ki
- College of Engineering (School of Electrical Engineering)