台风-海浪耦合作用海上风力机风振降阶分析及压电减振控制

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关键词：台风-海浪耦合； 15MW 海上浮式风力机；降阶分析；风振响应；压电减振 中图分类号：TK83；TM614 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202506031

Abstract：Theoffshorefloatingwindturbineisacomplexmulti-bodydynamicsystemconsistingofblades，nacelle，tower，semi submersiblepatformandmoring.Itsstructuralsafetyinanextremetyphoo-waveenvironmentisakeyprerequsiteforensuringthe sustainable developentofofsorewindpower.Tisstudytakesth15MWfshoeflatigwdturbieas teresearhbeproosesa medium/malcaleidiucdvibatioalsisetodF-F2evealsterodaicddrodyicualoaribati responsecharacteristicsundertyphoon-wavecouplingefect，proposes tedsignmetodofwindturbinebladeaeroelasticodelbasedon equivalentbeamsectionandthestructuraladaptivevibrationrductiocontrolmethodbasedonpiezoelectricsuntdampingandestablishes thetheoretical modelof piezoeletricshuntdampingfrequncybandoptimizationResearchhasshownthattheWSF-F2Amethodcan acuratelysolveteaerodyamic-rodamicesponseoflatingindturbnesundertypoo-waveoupligefectTheibatioofwind turbinebladesandtoweraremainlyflappinganddownwindvibrationrespectively.Thedisplacementamplitudedecreasesandtencreases withtheincreaseofwindspeed，andtheenergyofbladevibrationistransferedtohighfrequencies.Theresponseofsemisubersible platformsis mainlylongitudinalosclltion，andthemaxiumtensionofmanmooringisabouttreetimesthatoftesidemoing.The optimalfrequencybandrangebasedonpiezoelectricshuntdampingis（0.55，0.65）and（3.80，4）Hz，whichcaneectivelyucete blade vibration energy kurtosis by 15% and displacement peak by 20% ， promoting energy transfer between modes and suppressing flutter development.

Keywords： typhoon-wave coupling; 15MW offshore floatingwind turbine；reduced order analysis；wind-induced vibration;piezoelectric vibration reduction

中国海上风电新增装机容量已连续6年位居世界首位，具有大型化和深远海化的发展趋势[1]。（剩余17582字）