单驱动型双转子作动器对桥梁风致涡振的主动控制研究

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中图分类号：TB123 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202402012

Active control performance based on single drive twin rotor actuator for wind-induced vortex vibration of bridges

SUNHongxin，DINGLi，LUO Yifan （Hunan Provincial Key Laboratory of Structural Engineering for Wind Resistant and Vibration Control， HunanUniversityofScience and Technology，Xiangtan 411201，China）

Abstract：Basedothebackgroundofthetwinrotoractuator，thispaperproposesasingledrivetwinrotoractuatoractivecontroldevice， whichismainlyomposedofamass，aspacetrasmissongearst，amotoranontrolleandtectrfugalforcegeneratedwhete rotorisdrivenythegearisusedasteactivecontrofreofthestructretoeduethestructralvibratioInordertostudytevibatio dampingperformaneofsingledrivetwinotoractuator，temehanicalmodel，single-degreof-fredostructureandmotionequationof singledrivetinotorctatoretablisdeeeosumptioreqrementsoftesingldvetinotoactatoradttradioal AMDareanalyzed，andthesizeofthesingledrivetwinrotoractuatorisdesignedwiththetraditionalTMDasthereferencetarget，the displacementaplifiatioitoftsgledrivetinotoractuatoisbadadeactivecooladmpieetfigle drivetwinrotoractuatorundertheactionoffreevbrationandsimpleharmonicexcitationareanalyzed.Takingthewind-inducedVortexinducedvibratioofidgasthackgroud，theeofingledrivetinotoractuatoronthvrtexvbatioisumericalllated TheresultsshowtatesingledrivetwinrotoractuatoraslowerpowerrequirementstantraditioalAMDndasbetervibratiodaping effect than traditional TMD.

Keywords：structuralvibration;centrifugalforce;singledrivetwirotoractuator;activemassdamper;vibrationdampingperformance

土木结构在受到各类外界激励时，容易产生大幅振动，影响结构的使用寿命。（剩余11966字）