3、tomaticTrackingSystemAbstractThesolarenergyhasanenormousdevelopingapplicationcapacityasonekindofgreenrenewableenergysourcewhichcanbecontinuouslyusedforever.But there is tremendous relationship between photovoltaic cells output characteristicsand the change of external environmental fact
4、ors,currentlytheefficiencyofPVcellsisnotonlylowbutalsoexpensiveon a large scale ofproduction.Thephotovoltaicautomaticallytrackingdevicecanraisethesolarenergyutilizationrateandbringdownthecostofthesolarelectricalenergygeneration.Precisesolartrackingmechanismcanmakesolarpanelreceivemorera