Boundary barrier-based control of a flexible riser system

被引：22

作者：

Liu, Yu ^{[1
,2
]}

Guo, Fang ^{[1
]}

Zhao, Zhijia ^{[1
]}

机构：

[1] South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China

[2] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA

来源：

IET CONTROL THEORY AND APPLICATIONS | 2017年 / 11卷 / 07期

基金：

中国国家自然科学基金;

关键词：

vibration control; Lyapunov methods; control nonlinearities; observers; closed loop systems; flexible structures; control system synthesis; oil drilling; stability; boundary barrier-based control; flexible riser system; boundary output constraint problem; marine riser system; control objective; vibration reduction; Lyapunov direct method; backstepping technique; disturbance observer; barrier term; unknown external disturbance; control strategy design; closed-loop riser system; uniformly bounded stable system; Lyapunov analysis; output constraint; EULER-BERNOULLI BEAM; ARBITRARY DECAY-RATE; VIBRATION CONTROL; NONLINEAR-SYSTEMS; ADAPTIVE-CONTROL; LINEAR-SYSTEMS; ACTUATOR; STABILIZATION; MANIPULATOR; CRANE;

D O I：

10.1049/iet-cta.2016.1484

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this study, the vibration control and boundary output constraint problem of a marine riser system subjected to the disturbances are investigated. The control objective is to ensure the vibration reduction of the marine riser and the boundary output in the constrained region. A boundary control strategy is put forward to realise this objective through combining with Lyapunov's direct method, barrier-based control and backstepping technique. In addition, the disturbance observer including barrier term is developed to cope with the effects of unknown external disturbance. With the designed control strategy, the closed-loop riser system is ensured to be uniformly bounded stable through rigorous Lyapunov analysis without violation of the output constraint. Finally, the effectiveness of the designed boundary control strategy is verified via numerical simulations.

引用

页码：923 / 930

页数：8

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