复杂载荷激励源下斗轮堆取料机悬臂异常振动检测

打开文本图片集

中图分类号：TU857 文献标志码：B 文章编号：1671-5276（2025）06-0090-06

Abstract：Ascantileverbeamvibration isprominentduringthematerialretrieval processofbucketwhelmachine，of which the dynamiccomplexloadfromthematerial isoneoftheimportant excitationsourcesforthebucketwhen excavatinglosematerials， adetection methodforabnormalcantilevervibrationof bucketwhelstackerreclaimerundercomplexloadexcitationsources is proposed.Colecting relevantdataonthecantileveramplitudeandcomplex loadduring theoperationofthebucket wheel stacker reclaimerisiniciated.Toeliminatethemagnitudecoupling interferencebetweencomplexloadandabnormal vibration characteristics，thecollecteddataisnormalized，andthe VMDanalysismethodisintroducedtoachevethecoelationbetween thevibrationandloadofthetwo.Avibrationdiscrete elementpurificationmodel isdesignedundercorrelatedconstraintsusing thefruitflyoptimizationalgorithmtorefineandstrengthen thevibrationcharacteristicdataofcantileversundercomplexloads， andthestrengthenedvibrationfeaturedataisinputintoSVMtoachieverecognitionofabnormalvibrationfeatures.Experiments showthattheproposedmethodscandentifyabnormalvibrationsindiferentpartsofthebucketwheelstackerreclaimerwithhigh accuracy and efficiency.

Keywords：bucket wheel machine；cantilever vibration；detection；VMD method；SVM

0 引言

随着信息化进程的不断推进，电气设备的制造技术得到飞速发展。（剩余8203字）