Research on nonlinear optimization of thrust allocation in dynamic positioning system

被引：0

作者：

机构：

[1] China Ship Scientific Research Center

来源：

Liu, C.-D. (changde001@126.com) | 1600年 / China Ship Scientific Research Center卷 / 17期

关键词：

Dynamic positioning; Model experiment; Nonlinear optimization; Thrust allocation;

D O I：

10.3969/j.issn.1007-7294.2013.12.005

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The thrust allocation plays an important role for the performance of Dynamic Positioning (DP) system. In this paper, an optimal method of thrust allocation is proposed by formulating nonlinear optimization problems with constrains. Minimizing the power consumption, reducing the tear and wear of thruster and avoiding singular configuration are considered. The other aspects of the thrust allocation are also taken into account, such as the physical limitations on admissible thrusts and azimuth angles of the thrusters. In order to validate the effectiveness of the thrust allocation, a model experiment equipped with azimuth thrusters was carried out under the action of wind, current and waves. The experimental results indicate that the proposed optimal method of thrust allocation is very efficient and satisfactory performance of station and heading keeping is observed.

引用

页码：1403 / 1410

页数：7

共 13 条

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