Optimization controller design on dynamic positioning of semi-submersible platform

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (17): 232-234.

• 工程与应用 • Previous Articles Next Articles

Optimization controller design on dynamic positioning of semi-submersible platform

XU Ronghua，WANG Qinruo，SONG Yanan

College of Automation，Guangdong University of Technology，Guangzhou 510006，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-06-11 Published:2011-06-11

半潜式平台动力定位系统优化控制器设计

徐荣华，王钦若，宋亚男

广东工业大学自动化学院，广州 510006

Abstract

Abstract: In this paper，controller on dynamic positioning of nonlinear offshore platform under stochastic wave is designed based on rolling horizon optimization.Controller design on dynamic positioning is changed into a nonlinear optimization with constraints based on optimization prediction principle.Based on iteration of system evolution equation，state variables of goal function are eliminated and nonlinear constrain expression of nonlinear optimization is obtained.Examples are given to illustrate the application of the method and simulation shows efficiency of controller.

Key words: semi-submersible platform, dynamic positioning, controller, nonlinear, stochastic, optimization

摘要： 基于滚动优化机制，设计了随机波上的非线性半潜式平台动力定位系统控制器;基于最优预测机制，将每个控制周期内的半潜式平台动力定位系统控制器设计问题转化为一个带约束的非线性优化问题求解;基于系统演化方程的迭代公式，消去目标函数中状态变量，获得非线性优化问题的非线性约束表达式;给出示例说明了该控制器设计过程，仿真验证了该控制策略和控制器的有效性。

关键词: 半潜式平台, 动力定位, 控制器, 非线性, 随机, 优化

XU Ronghua，WANG Qinruo，SONG Yanan. Optimization controller design on dynamic positioning of semi-submersible platform[J]. Computer Engineering and Applications, 2011, 47(17): 232-234.

徐荣华，王钦若，宋亚男. 半潜式平台动力定位系统优化控制器设计[J]. 计算机工程与应用, 2011, 47(17): 232-234.

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Optimization controller design on dynamic positioning of semi-submersible platform

半潜式平台动力定位系统优化控制器设计

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