1、天津大學(xué)碩士學(xué)位論文EMS前置通訊子系統(tǒng)的設(shè)計(jì)姓名：劉春慶申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：計(jì)算機(jī)技術(shù)指導(dǎo)教師：趙政李曉露20070601ABSTRACTWi也therapiddevelopmentofnationaleconomy，Thescaleofpower伊idislargerandlargerinordertoimprovethesafeeconomicaloperationlevelofpowergrid，thedispatcheri

2、schangingfromempiricallytotheanalytictypeanddependontheautomationsystemforelectricpowerdipatchingmoreandmore，thisneedsrealtimedatagreaterinquantity，、】l，itllstrongerreal—timecharacter，withhigheraccuracy，andrealizeallkinds

3、ofdatainterchangebe倆eenthecontrolcentreEMSsystemsThecommunicationsubsystemisacentreoftheautomationsystemforelectricpowerdipatching，theonesthatrecievealargeamountofreal—timedatacomefromRTUorotherautomationsystemsandtransm

4、itttothebacksystemThestability，reliableandcompetentofcommunicationsubsystemisimportantfactorofthesuccessoftheautomationsystemforelectricpowerdipatchingwhatitbelongstoThecommunicati衄subsystemthatthisthesisdiscussesiSstruc

5、turedonthebasisofthecommondistributedplatformandspecialpurposedatabaseplatformmanagethewholeleadingsystem鵲agroupsystemallowonepairofmachinenodesormanymachinesystemstocooperateandaccomplishthetaskofgathering，followthebala

6、ncedworkingmeclmismofloadandsupportoverallstatecontrollingandalarmfunction，offersmanykindsofdispositionsandmanagementtotheredundantroutes，supportexcellentselectionofchannelstotheirprioritiesForthereusabilityotsoftware，th

7、esubsystemstructObjectOrientedcommunicationprotocollibanddevicelibtomeetthecommunicationdemandfortheautomationsystemforelectricpowerdipatehingtheautomationsystemforelectricpowerdipatchingisapieceofproductsdevelopingforwa

8、rdconstantly，thecommunicationsubsystemwillbeimprovedconstantlywhileusersareusing，anewercommunicationdemandisproposedatthesametime，SO，thecommunicationsystemssoftwarepossessesthegoodexpansibility，inordertobenefittheconstan