智能弹簧变距拉杆减振性能研究

打开文本图片集

中图分类号：TB535；V275.1 文献标志码：A DOI:10.16385/j.cnki.issn.1004-4523.202501053

Research on the vibration reduction performance of a smart spring suitable for the pitch link

YUAN Gaofei, FENG Zhizhuang, FANFeng,SUNFengnan,XING Longtao

Abstract: Withtheopeingoflowaltitudeeconomy，elicoptersillusherinanotherstageofvigorousdevelopent，butevibationas beenrestritigtveloptoflcoeroIertoebloftebatioitiscessaytsiw typeofvibratioreductiondevicetoeducethelevelofelicoptervibrationInthispaper，asmartspringsutableforthepichikofthe helicopterisdesigned，anditsibrationreductionpricipleandperfomanceareexplored.Adyamicmodelofthesystemisestablished throughthepieewiseaalsistod，ndthvatioeductiopripleoftemodelisilumatedTevbtdctiopfe ofthesystemisprovedbycomparingthetimedomainresponseofthesystemandasystemthatignorsthesmartspring.Asampleof tesmart springsuitableforthpichlikissigdandmanfactuedandanonlooontroltestandavbatiocontrotestarecadutItis indicatedthattesamplecaaceethetotaldesigfuctio，suchasthefuctionofstifessadjustTeampigatioftpleis increased with the increase of the control voltage，and it can reach about 45% under the maximum control voltage.

Keywords:vibration reduction; smart spring;pitch link; open loop control test

近年来随着直升机应用领域的拓展，在提高飞行速度、增大飞行航程等方面产生了更高的需求。（剩余22115字）