基于网络拓扑协作复杂系统振动主动控制算法

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关键词：振动主动控制；直升机；复杂系统；网络拓扑协作；数值仿真 中图分类号： V275+.1 ; TU311.3 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202307001

Active vibration control algorithm for complex systems based on network topology cooperation

LIJingliang1，LUYang，SUNJiamingl，MAXunjun² （1.National Key LaboratoryofHelicopter Aeromechanics，Nanjing University of Aeronautics and Astronautics， Nanjing 21Oo16，China；2.Wuhan Second Ship Design and Research Institute，Wuhan 430064，China）

Abstract：Inordertosolvetheengineringproblemsofstrictconvergenceconditionoftraditionaldecentralizedalgoritmandhuge computationamountofcentralizedalgorithminvibrationactivecontrolofcomplexsystems，thispapercombines network topology cooperation strategyandFxLMSalgorithm todesignanovelactivevibrationcontrolalgorithmbasedonnetwork topologycooperation，andselectsasimplifiedaiframemodelofahelicopterasthecontroledobect.Thesmulationstudyofactievibrationcotol with a scale of 20 ×20 （2O actuators and 2O error sensors）is carried out.The results show that the algorithm based on network topologycanachievethesamevibrationreductionefectasthecentralizedalgorithmwhilesignificantlyreducing thecomputation amount，whichisanadvantagethatthedecentralizedalgorithmandthecentralizedalgorithmdonothave.Themeanvibrationdecreasesabout34.3dBundersingle-frequencycontrol，andabout12.6dBundermultifrequencycontrol.Atthesametime，the characteristicsofsecondarypathcouplingareproperlysimplified，whichisconducivetothevalueofconvergencecoeficent，and theefectivenessandsuperiorityofthisalgorithm foractivevibrationcontrolofhelicoptercomplexsystemarefullverified.

Keywords：active vibration control;helicopter;complex system;network topology cooperation;numerical simulation

机身振动水平高一直是制约直升机产业进一步发展的关键因素。（剩余6901字）