Abstract: Aimingattheproblemofslowfollow-upspeedofhydraulicsupportintheautomaticproductionprocessoffullymechanizedminingface,thispaperanalysestherelationshipbetweentheactionof hydraulicsupportandtheoutputflowofhydraulicsupplysystem,andthematchingrelationshipbetween themovingspeedofhydraulicsupportandthespeedofshearer,andstudiestherestrictionrelationship betweenthespeed,position,directionofshearerandtheactionofhydraulicsupportandtheoutletpressureof hydraulic supply system.A method of designing controller based on I/O data of controlled systemisproposed.ACARTrandomforestclassificationtreemodelistrainedwithactualproductiondatato control the emulsion pump.The practical application results show that the method not only improvestheflowondemandsupplydegreeofthefluidsupplysystem,butalsohasgooduniversality
andcanbeappliedtodifferentfullymechanizedautomaticminingfaces.Itprovidessupportforimprovingintelligentdegreeandefficientproductionofthefullymechanizedminingface.