Boundary control of two-dimensional marine risers with bending couplings

被引：68

作者：

Nguyen, T. L. ^{[1
]}

Do, K. D. ^{[2
]}

Pan, J. ^{[1
]}

机构：

[1] Univ Western Australia, Sch Mech & Chem Engn, Nedlands, WA 6009, Australia

[2] Curtin Univ Technol, Dept Mech Engn, Bentley, WA 6102, Australia

来源：

JOURNAL OF SOUND AND VIBRATION | 2013年 / 332卷 / 16期

关键词：

VARIABLE-STRUCTURE CONTROL; ACTIVE CONTROL; BEAM; STABILIZATION; SUPPRESSION; VIBRATION;

D O I：

10.1016/j.jsv.2013.02.026

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The aim of this paper is to design a boundary controller for global stabilization of two-dimensional marine risers under environmental disturbances. Based on the energy approach, equations of motion including bending couplings for the risers are derived. Due to the couplings, the riser dynamics exhibit mutual effects between transverse motions. The Lyapunov direct method is used to design the boundary controller. Proof of the existence and uniqueness of the solutions of the closed-loop system is provided based on the Galerkin approximation method. Stability analysis of the closed-loop system is carried out using the Lyapunov stability theory. Numerical simulations illustrate the results. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：3605 / 3622

页数：18

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