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