简介:Inordertominimizetheharmcausedbytheinstabilityofaplaningcraft,amotionpredictionmodelisessential.ThispaperanalyzedthefeasibilityofusinganMGM(1,N)modelingreysystemtheorytopredictplaningcraftmotionandcarriedoutthenumericalsimulationexperiment.Accordingtothecharacteristicsofplaningcraftmotion,arecurrenceformulawasproposedoftheparametermatrixofanMGM(1,N)model.Usingthisformula,datacanbeupdatedinreal-timewithoutincreasingcomputationalcomplexitysignificantly.TheresultsofnumericalsimulationshowthatusinganMGM(1,N)modeltopredictplaningmotionisfeasibleandusefulforprediction.Sothemethodproposedinthisstudycanreflecttheplaningcraftmotionmechanismsuccessfully,andhasrationalandeffectivefunctionsofforecastingandanalyzingtrends.
简介:电气化铁路牵引变电所27.5kV高压室内空间狭小、带电设备较多,是改造的难点。通过具体工程实例,介绍移动高压室在三相V,v牵引变电所27.5kV高压室改造中的应用。针对三相V,v牵引变电所进线、馈线数量较多,27.5kV侧母线布置复杂的特点,提出了移动高压室采用A相、B相馈线分体组装方案。并对过渡方案进行整体介绍。