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Dead Zone Compensation and Adaptive Vibration Control of Uncertain Spatial Flexible Riser Systems

Authors
Zhao, ZhijiaAhn, Choon KiLi, Han-Xiong
Issue Date
6월-2020
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Vibrations; Adaptive systems; IEEE transactions; Mechatronics; Uncertainty; Vibration control; Boundary control; flexible risers; input dead zone; robust adaptive control; vibration control
Citation
IEEE-ASME TRANSACTIONS ON MECHATRONICS, v.25, no.3, pp.1398 - 1408
Indexed
SCIE
SCOPUS
Journal Title
IEEE-ASME TRANSACTIONS ON MECHATRONICS
Volume
25
Number
3
Start Page
1398
End Page
1408
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/55522
DOI
10.1109/TMECH.2020.2975567
ISSN
1083-4435
Abstract
This article provides a framework of dead zone compensation and robust adaptive vibration control for uncertain spatial flexible riser systems. First, nonsymmetric dead zone nonlinearity is represented in the form of the desired control input with the addition of an extra nonlinear input error. Second, by visualizing those input errors and extrinsic disturbances as an unknown "disturbance-like" term, a new robust adaptive vibration control technology and online updating laws can be constructed for riser systems to guarantee the oscillation reduction and compensation of uncertainties and dead zone. Third, the constructed control ensures and achieves bounded Lyapunov stability in the controlled system. Ultimately, control performances are demonstrated with appropriate design parameters.
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공과대학 (전기전자공학부)
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