電熔鎂爐專用控制系統(tǒng)的設(shè)計(jì)與開發(fā)

1、東北大學(xué)碩士學(xué)位論文電熔鎂爐專用控制系統(tǒng)的設(shè)計(jì)與開發(fā)姓名：高宏申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：柴天佑20070201東北大學(xué)碩士學(xué)位論文AbshaetTheDesignandDevelopmentofControlSystemSpecialforElectro—FusedMagnesiaFurnaceAbstractElectro—fusedmagnesiaisakindofalkalescentfireproofm

2、aterialwhichpossesseshighpurityhighmelting—pointandstrongdenseItiswidelyusedinmanyfieldssuchasmetallurgyindustryglassindustrycementindustryhomelyelectricheaterandhightemperaturechemicalindustryThemainapproachforproducing

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5、o—fusedmagnesiacrystalwithhighpurityisgainedInthemeltingprocessofelectrofusedmagnesiafurnace，environmentdisturbancemakesthelengthofthearcchangewithhi曲frequencythecurrentandthevoltageofthearcwaveceaselesslywhichmakeselect

6、ricenergywastP記inthetransformeroftheelectroeircuitnetworkThecostisincreasedandthebadinfluencetOtheelectrocircuitnetworkismadeThestabilityofthelengthofarcisreflectedbythefluctuationoftheelectrodecurrent，SOstabilityofelect

7、rodecurrenthasdirectinfectiontotheconsumptionofenergyandthequalityofproductCurrentlythecontrolofelectrodecurrentisachievedmainlybymanualworkTherearemanyproblemsexistingsuchaslagofadjustmenthighenergycostandhi曲intensityof

8、manualworkInallusiontoproblemsexistinginelectrofusedmagnesiafUHlacesuchasbadstabilityofelectrodecurrenthi曲energycostmadebyimbalanceofimpedanceandarcpowerlowthermalefficiencyandlowqualityofproductafteranalyzingofmeltingpr

9、ocessofelectro—fusedmagnesiafurnaceandcombiningwithnewdevelopmentofmodemcontroltheoryandtechnologythearticlediscussesaboutthedesignanddevelopmentofcontrolsystemspecialforelectrofusedmagnesiafurnace，accomplishingresearcho

10、fcontrolstrategyfunctiondesignandstructuredesignofcontrolsystemprogramimplementofcontrolstrategyanddevelopmentofinterfacebetweenhumanandmachine，hardwareandsoftwaredesignofcontrolsystemanddesignofnetworkofcommunicationofd