Individual pitch control of offshore floating wind turbines based on a prescribed performance method

被引：0
|
作者：
Sun H. [1 ]
Liu W. [1 ]
Jing F. [2 ]
机构：
[1] College of Shipbuilding Engineering, Harbin Engineering University, Harbin
[2] School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing
来源：
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2023年 / 44卷 / 05期
关键词：
blade load reduction; floating wind turbine; pitch control; prescribed performance function;
D O I：
10.11990/jheu.202109020
中图分类号：
学科分类号：
摘要：
This paper presents a new finite-time prescribed performance (FTPP) method for the control of offshore floating wind turbines to address the disturbance in complex environments and strong nonlinear and time-varying problems experienced by offshore floating fans. This method keeps the output power of the floating fans stable and reduces the structural load of the fans. A convergent performance function is introduced into FTPP to restrain power fluctuation for adaptation to highly nonlinear systems, such as floating wind turbines. Moreover, this method does not need an accurate system dynamics model. This method is applied to collective and individual pitch control, thus achieving power regulation, platform pitch motion control, and blade fatigue load reduction. The simulation test on FAST shows that the method has good performance. © 2023 Editorial Board of Journal of Harbin Engineering. All rights reserved.
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收藏
页码：767 / 773
页数：6
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