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1、DescriptionTechnicalFieldThepresentinventionrelatestoapowersourcesystemhavingapoweraccumulatorforsupplyingwhenacommercialpowersourceoeotherinterruptiblepowersourcebreaksdown,apowersupplycontrolmethodOfthepowersourcesystem,apowersupplycontrolprogramOfthepowersourcesystem,
2、acomputerreadablerecodingmediumhavingpowersupplycontrolprogramOfthepowersourcesystemrecodedthereon.BackgroundArtInrecentyears,apoweraccumulatorhasdrawnwideattentionandbeenusedasbackuppowersource.Abackuppowersourceischangedwhenacommercialpowersourceoperatednormally,andcon
3、tinuessupplypowertoequipmentinplaceofthecommercialpowersourcewhencommercialpowersourcehasadefect.ExamplesofsuchabackuppowersourceincludeaUPS（UninterruptivePowerSource）.Byinstantaneouslyswitchingthecommercialpowersourcetoanoutputofthebackuppowersourceincaseofpoweroutage,a
4、computerorastorageunitinuse,aswellasnetworkequipmentsuchasaserverarepreventedfrombeingstopped.Suchabackuppowersourcecombinedwiththepoweraccumulatoriscontrolledtomaintainresidualcapacityrepresentingthestateofchargeatahighlevel.Inthissystem,generallybecausesurpluspowerisch
5、argedinpoweraccumulatorefficientlybyapowergenerationactionofanelectricmotor,charge
6、dischargecontrolisperformedsothattheSOCdoesnotexceed100%.Inordertosupplypowertotheelectricmotorwhennecessary,charge
7、dischargecontrolisperformedsothattheSOCdoesnotdecreaseto0(zero).Speciall
8、y,normallyinpoweraccumulator,thecontrolisperformedsothattheSOCfluctuateswithinarangeof20%to80%.Withregardtoelevators,ontheotherhand,ahybridelevatorthathasacageandacounterweighttoinhibitunnecessarypowerconsumptionduringtheoperationofhybridelevatorhasbeendeveloped.Suchahyb
9、ridelevatorutilizesthepowerofitsbatteryatthetimeofpoweroutage,sothatincaseofpoweroutageorotherabnormalstateduringofoperationofthehybridelevator,thepowerfordrivingtheelevatorissuppliedfromapowersourcetocarrytheelevatortothenearestfloororanyfloorandsafelyretrievethepassage
10、fromthestage.11Thefollowingmethodisproposedasamethodforcontrollinganautomaticlandingdeviceoftheelevator
