3、tomaticTrackingSystemAbstractThesolarenergyhasanenormousdevelopingapplicationcapacityasonekindofgreenrenewableenergysourcewhichcanbecontinuouslyusedforever.But there is tremendous relationship between photovoltaic cells output characteristicsand the change of external environmental factors,curren
4、tlytheefficiencyofPVcellsisnotonlylowbutalsoexpensiveon a large scale ofproduction.Thephotovoltaicautomaticallytrackingdevicecanraisethesolarenergyutilizationrateandbringdownthecostofthesolarelectricalenergygeneration.Precisesolartrackingmechanismcanmakesolarpanelreceivemoreradiantenergyandincrea