基于磁流变及信息融合的采煤机滚筒调高控制研(7)
发布时间:2021-06-06
发布时间:2021-06-06
hydraulicdrivesystemcanmorequicklyandaccuratelytoservicedrumliftingsystemisoftenencounteredintheshearerdrumliftingcontrolsystem.Thispaperproposesashearerdrumliftingcontrolsystembased
toonmagnetorheologyandsystemusesinformationfusionduethesetworeasons.Firstly,thethe
tocharacteristicsofmagnetorheologicalfluidand
designamagnetorheologicalvalvenewtypehydraulicactuator,andusesthehydraulicactuatortoinsteadofthetraditionalcoalmininghydraulicdrivesystem.Itimprovestheperformanceoftheshearerdrumliftingsystemandsolvesthecurrentproblemsofhydraulicdrivesystem.Secondly,thesystemusesthemethodsofmulti—sensorinformationfusion
adoptsthetoidentifycoal—rockinterfaceandmeansofwaveletpacketfeature
extractiontoextractfeaturesfromsignalsofshearerdrumliftingsystem.UsingthefusionmethodsofBPnetworkandtheD—Sevidencetheory
accuratetogetamoreidentificationsignalofcoal-rockinterface,itrealizesaccurateidentificationofcoal-rockinterfaceandsolvestheproblemofcoal—rockinterfaceidentification.Theshearerdmmliftingcontrolsystemstudiedinthispaper
advancedDSPtechnology,whichnotonlyimprovesthebasicusesperformanceofthesystem,butalsoprovides
coal—rockapowerfulhardwaresupportforidentificationofandcoalminingautomationoperationtechnology.
Keywords:shearer;drumlifting;magnetorheologicalfluids;magnetorheological
valve;multi—sensorinformation
IIfusion