Cooperative disturbance rejection control of vibrating flexible riser systems

In this paper, we concentrate on the cooperative disturbance rejection control of flexible riser systems corrupted by external disturbances. Fusing with disturbance rejection control strategy, auxiliary system, and Lyapunov theory, new controllers and disturbance observers are established to dampen...

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Published inNonlinear dynamics Vol. 98; no. 3; pp. 1603 - 1613
Main Authors Zhao, Zhijia, Ahn, Choon Ki, Wen, Guilin
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.11.2019
Springer Nature B.V
Subjects
Automotive Engineering
Classical Mechanics
Computer simulation
Control
Control stability
Control systems
Cooperative control
Disturbance observers
Dynamical Systems
Engineering
Mechanical Engineering
Original Paper
Rejection
Vibration
Distributed control
Boundary control
Disturbance rejection
Vibration control
Flexible risers
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ISSN0924-090X
1573-269X
DOI10.1007/s11071-019-05139-7

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Summary:In this paper, we concentrate on the cooperative disturbance rejection control of flexible riser systems corrupted by external disturbances. Fusing with disturbance rejection control strategy, auxiliary system, and Lyapunov theory, new controllers and disturbance observers are established to dampen the vibration and eliminate the effects of external disturbances. Considering all system states, the uniformly bounded stability of the considered system and the effectiveness of the proposed control scheme are realized through rigorous theoretical analysis. Further, the control performance is verified via numerical simulations by choosing the proper control gains.
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ISSN:0924-090X
1573-269X
DOI:10.1007/s11071-019-05139-7