Vibration Control of a Flexible Marine Riser with Time-Varying Length

被引：0
|
作者：
Phuong-Tung Pham [1 ]
Hong, Keum-Shik [1 ,2 ]
机构：
[1] Pusan Natl Univ, Sch Mech Engn, Busan 46241, South Korea
[2] Pusan Natl Univ, Dept Cognomechatron Engn, Busan 46241, South Korea
来源：
2019 12TH ASIAN CONTROL CONFERENCE (ASCC) | 2019年
基金：
新加坡国家研究基金会;
关键词：
Riser; vibration suppression; axially moving string; varying length; boundary control; Lyapunov method; HORIZON OIL-SPILL; BOUNDARY CONTROL; TRANSLATING MEDIA; CONTAINER CRANES; ADAPTIVE-CONTROL; CABLE; ROPE; SYSTEM; STABILIZATION; DISSIPATION;
D O I：
暂无
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 paper, a flexible marine riser with varying length under the effects of ocean currents is investigated. The governing equations of the riser together with the drillship are developed using the extended Hamilton's principle. An approximated model using a modified Galerkin method is derived. The dynamical analysis of the system is performed with the approximated model developed. In addition, a boundary control is developed and implemented to suppress the transverse vibrations of the riser. Finally, the simulation results are shown to verify the vibration behavior of the system as well as the effectiveness of the proposed control algorithm.
引用
收藏
页码：778 / 783
页数：6
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