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风力机结构耦合振动分析

于 2020-12-01 发布

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说明：采用通用动态尾流理论进行风力机气动力学的计算分析,并用 MATLAB/Simulink进行编程,建立了风力机传动链的数学模型。在 MATLAB/Simulink中进行传动链系统的编程运算,建立了风力机 ADAMS柔性多体结构动力学仿真模型,并利用 MATLAB/Simulink和 ADAMS进行风力机振动性能的联合仿真。仿真时将气动载荷加载到风力机叶片结构上,将传动系统模型的反扭矩加到 AD AMS风轮模型上,同时考虑风力机的结构变形对气动性能、传动性能产生的影响。仿真最终实现了风力机系统振动性能耦合分析,其数据同实验测试数据比较表明,该联合仿真方法可以较好地模拟风力机的振动特性。(TheaerodynamicscharacteristicsofwindturbinewerecalculatedbyapplyingGDWthe oryandwereprogrammedin MATLAB/Simulink. Thedrivechainwascalculatedbyapplyingstate spacemethodandalsoprogrammedinMATLAB/Simulink. Themodelofthewindturbinewasbuilt inAdams. Thesimulationofvibrationcharacteristicswascarriedoutsothattheaerodynamicloads andthetorquewereappliedtothestructureoftherotor. Simultaneouslythedeformationofthestruc turealsoaffectedtheloads. Theresultsshowthatthemethodhasexcellentabilitytosimulatethevi brationcharacteristicsalmostthesameastestmeasured.)

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风力机结构耦合振动分析.pdf, 4174511 , 2019-12-17

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