基于FMEA和BN的电磁轴承状态分析模型

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中图分类号：TE832 文献标志码：A

Abstract：Theelectromagneticbearingisacorecomponentofintegratedcompressorunits，anditsreliabilitydirectlyffects theoperationalstabilityToadresstechallengesofinsuffiientfaiuresamples，diffcultiesineliabilityaesmentandinadequateriskquantificationforelectromagneticbearingsofthehigh-power integratedcompressorunit，thisstudyproposesa stateanalysismodelforelectromagnetic bearings basedonfailuremodeand efectsanalysis（FMEA）and Bayesiannetwork （BN）.Byintegratingpriorknowledgewithobserveddata，themodelcanefectivelyhandletheincompleteanduncertaininformation，identifying21potentialfailuremodesofelectromagneticbearingsandtheirimpacts.Basedontheasessmntresultsofseverity，occurrenceanddetectability，thefailuremodeswererankedbyrisk，andthehigh-riskfailuressuchasbear ingcollapse，frictional wear，powersupplyfaultsandbearingcorrosionwereanalyzed.Theresultsshowthatriskvaluesof auxiliarybearingcoapse，frtionloss，owerflure，earingcooion，mainontrolbardfure，signaltrnsiofailure，etc.arerelativelyhigh.Thecorrespondingoptimizationand improvement measuresproposed basedonthecharacteristicsof failure modescan reduce theprobabilityand impactoffailures，and lowertheresearchand development costs.

Keywords：integratedcompressor；failuremodesandefectsanalysis；Bayesiannetworks；electromagneticbearing；reliability

未成式压非优组有双地罡日了电磁拍小、间述电机和大功率变频器等技术，实现了离心压缩机组的超宽范围变频调节，在极寒地带、海底、环保等特殊场合得到了广泛应用[1-2]。（剩余11915字）