Optimal tracking control with feedforward compensation for offshore steel jacket platforms with active mass damper mechanisms

被引：23
|
作者：
Zhang, Bao-Lin [1 ,2 ]
Liu, Yu-Jia [1 ]
Han, Qing-Long [2 ]
Tang, Gong-You [3 ]
机构：
[1] China Jiliang Univ, Coll Sci, Hangzhou 310018, Zhejiang, Peoples R China
[2] Cent Queensland Univ, Ctr Intelligent & Networked Syst, Rockhampton, Qld 4702, Australia
[3] Ocean Univ China, Coll Informat Sci & Engn, Qingdao, Peoples R China
来源：
JOURNAL OF VIBRATION AND CONTROL | 2016年 / 22卷 / 03期
基金：
澳大利亚研究理事会;
关键词：
Offshore platform; vibration control; tracking control; optimal control; feedforward compensation; EXCITED WAVE FORCE; STRUCTURAL CONTROL; VIBRATION CONTROL; FEEDBACK-CONTROL; SYSTEMS; SUBJECT; DELAY;
D O I：
10.1177/1077546314532117
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents the optimal tracking control methodology for an offshore steel jacket platform subject to external wave force. Based on a dynamic model of an offshore steel jacket platform with an active mass damper mechanism and a linear exogenous system model of the external wave force on the offshore platform, an optimal tracking control scheme with feedforward compensation is proposed to attenuate the wave-induced vibration of the offshore platform. A feedforward and feedback optimal tracking controller (FFOTC) can be obtained by solving an algebraic Riccati equation and a Sylvester equation, respectively. It is demonstrated that the wave-induced vibration amplitudes of the offshore platform under the FFOTC are much smaller than the ones under the feedback optimal tracking controller (FOTC) and the feedforward and feedback optimal controller (FFOC). Furthermore, the required control force under the FFOTC is smaller than the ones under the FOTC and the FFOC.
引用
收藏
页码：695 / 709
页数：15
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