磁悬浮柔性转子无试重不平衡量分布优化方法

打开文本图片集

中图分类号：TH133.3 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508094

Abstract：Rotordynamicbalancingisoeofthekeyproesesimanufacturingmagneticlevitationrotig machieryHoweereisting balancingmetdqiemultileralnstaiiflueecofits，tusesutinginlceyoreeltcot fortherandomdistributioncaracteristisofunbalanceandtestabilitydiereesamongdierentmodaloders，leadingtoiefeece betweenow-andodevbratiosuringalacngwhichakesitifclttometvibatiovelreqrementsacrossttieed range.Toadressthsessuesanptizationmetdforbalaedistrbutioimageticeviationflexibleotorswioutralightsis proposed.Fist，mageticg-feibleotosemdelissabisd，aduknoparaeeseentifdouhmolesting andclosed-loeiTodel'scaciseidsedestadadext，otobaacedistrbuiosid usingeastquaresfitgbasedovibratiodatafroasingleunuptest.Fnallteealpartoftosed-ooppolesisusedtoaactee thestabilityofachodalderandmodalspiiclangweightcoeficientsaredsigedWitthectivesofinion massand vibrationdisplacement，theNGA-IgeneticalgorithisemploedtooptiizethebalancingsolutionExperimentalresults demonstrate that the proposed method reduces the maximum rotor vibration displacement by up to 65% ，achieving effectivebalancingacross all modal orders whilemeeting ful-speed-range vibrationrequirements，thereby validating its effectiveness.

Keywords：activemagneticbearings;rotordynamics;systemparameteridentification;optimizationofunbalancedistribution

磁悬浮轴承具有高速、无摩擦、长寿命、免润滑等优点，可以使涡轮分子泵、空气压缩机、低温余热发电机[等旋转机械进一步提高转速，以获取更高的运行效率。（剩余15101字）