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浙江大学学报(工学版)
浙江大学学报(工学版)
机械工程     
复现风力机五自由度载荷的加载控制方法
殷秀兴1, 顾亚京1, 林勇刚1, 叶杭冶2, 李伟1
1.浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027；2.风力发电系统国家重点实验室,浙江 杭州 310012
Loading control method of reproducing 5 DOF loads to wind turbine
YIN Xiu-xing1, GU Ya-jing1, LIN Yong-gang1, YE Hang-ye2, LI Wei1
1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China;2. State Key Laboratory of Wind Power System, 310012, Hangzhou 310012, China
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摘要：

为满足风电机组载荷测试的需要,提出一种模拟机组五自由度载荷的加载控制方案.将叶轮等效成加载盘,并沿该盘轴向和径向均布若干电液力加载器,控制各加载器的输出力来合成并复现所给定的载荷波形谱.提出加载策略并建立加载力控制系统非线性数学模型.在此基础上,设计反演力控制器并进行仿真研究.结果表明,加载方案具有可行性,采用反演控制的加载力系统能有效地再现给定载荷,且响应性能和力跟踪精度较高.同时表明,所提出的加载策略容易实现,并能较准确的复现五自由度参考载荷.
Abstract:

A loading control scheme is proposed to reproduce the five-degree-of-freedom loads for wind turbine testing applications. The wind rotor and blades were represented by a rotating circular solid disc. A set of electro-hydraulic loading actuators was uniformly distributed along the axial and radial directions of this disc and was controlled to recreate such representative loads. A pragmatic loading control strategy was also presented to decompose turbine loads into the reference forces for each loading actuator. Nonlinear mathematical model of a typical axial loading actuator was established and analyzed. Furthermore, a back-stepping force controller was proposed and designed to track the decomposed force trajectory. Simulation results have demonstrated the effectiveness and higher response speed of the back-steeping force controller in reference force tracking and validated that the proposed control strategy could be easily implemented to reproduce the turbine loads with relatively high accuracy.
出版日期: 2015-08-01
:  TM 619  
基金资助:

国家科技支撑计划资助项目（2012BAA01B01, 2015BAA07B02）；国家自然科学基金创新研究群体科学基金资助项目（51221004）;中央高校基本科研业务费专项资金资助项目（2015QNA4005）.
通讯作者: 林勇刚，男,副教授，硕导.     E-mail: yglin@zju.edu.cn
作者简介: 殷秀兴（1986—），男，博士生，主要从事机械电子，风力发电与控制等方面的研究. E-mail:lixingfile@163.com
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引用本文:

殷秀兴, 顾亚京, 林勇刚, 叶杭冶, 李伟. 复现风力机五自由度载荷的加载控制方法[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.08.010.

YIN Xiu-xing, GU Ya-jing, LIN Yong-gang, YE Hang-ye, LI Wei. Loading control method of reproducing 5 DOF loads to wind turbine. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.08.010.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.08.010    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I8/1470

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