Enhancing the performance of heaving wave energy converters using model-free control approach

被引：40

作者：

Jama, M. A. ^{[1
]}

Noura, H. ^{[1
]}

Wahyudie, A. ^{[1
]}

Assi, A. ^{[2
]}

机构：

[1] United Arab Emirates Univ, Dept Elect Engn, Al Ain, U Arab Emirates

[2] Lebanon Int Univ, Dept Elect Engn, Beirut, Lebanon

来源：

RENEWABLE ENERGY | 2015年 / 83卷

关键词：

Wave energy; Wave energy converter; Permanent magnet linear generator; Model free control; Power take-off;

D O I：

10.1016/j.renene.2015.05.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper investigates the application of model free control (MFC) strategy to optimally control the oscillation of single body heaving waves energy converter (WEC). The aim of the proposed controller is to maximize the electrical energy output of the device. The MFC is an off-line fixed structure control approach that combines between simplicity and insensitivity to system uncertainties and/or operational conditions. The proposed controller is based on a classical linear compensator, which is designed and tuned using only the well-known dynamics of the WEC. Therefore, any extra unknown or partially known dynamics are taken care of using the ultra-local model (ULM). Simulation results show that the MFC performance is superior to that of the base linear compensator, in terms of reference tracking capability and robustness towards uncertainties. Also other well-established control strategies are used to further validate the proposed controller. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：931 / 941

页数：11

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