面向大型结构振动抑制的小型轻质低功耗压电半主动实时控制系统

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关键词：振动抑制；同步开关阻尼；大型挠性结构；压电纤维复合材料；STM32微控制器 中图分类号：TB535 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508048

Compact and low-power piezoelectric semi-active real-time control system for vibration suppression in large-scale structures

HEJunfeng，YUANQuan，WUYipeng，JIHongli，QIUJinhao （StateKeyLaboratoryofMechanicsandControlforAerospace Structures，Nanjing Universityof AeronauticsandAstronautics， Nanjing ，China）

Abstract;Sem-activecontolsystemsforlgeflexiblestructuresbasedonmacrofibercomposite（MC）generallysuffefromlowintegation ofpiezoelectrcaterals，ovbocoveenedgoeosutioichliitalcabilitinrcticatal vibrationsuppessonTaddressteitatios，isperproossadaptiveergtioalgrtasedoschodsih damping（SSD），getihalteooltsteplos2crocotrolrtostagf sensingMFCinrealtime，automaticallyadjusttheenergyijection timingbeforetheswitchingsignalreverses，andnonlinearlyand eficientlyinjectenergyintothedrivingMFC.Withfeaturesoflghtweightconstruction，lowpowerconsumption，andcompactdesign，the proposedsystesigntlymprosotrocieyExpeimtalalatioacdutoigsptratiUAVplafoIt free decaycomparisontest，thereal-time controlsystemcompletelysupresed wing vibration within1O seconds，achievinga 20% （204号 improvement in convergence rate.Moreover，when the flap was excited at deflection angles of 10∘ and 15∘ ，single-wing control achieved amplitude attenuation rates of 59.0% and 30.6% ，respectively.

Keywords：vibrationsuppression;sychronizedswitchdamping;largeflexiblestructure;macrofibercomposite;STM32microcotroler

随着中国航空航天事业的快速发展，设备大型化与轻质化已成为重要的发展趋势，针对大型轻质挠性结构的振动抑制也已成为制约大型空间结构性能提升的关键技术之一[-2]。（剩余16063字）