動力固定浮橋的變結構控制研究

1、Y1436690分類號：UDC：工學碩士學位論文密級：編號：動力固定浮橋的變結構控制研究碩士研究生：指導教師：學位級別：學科、專業(yè)：所在單位：論文提交日期：論文答辯日期：學位授予單位：祖全達張曉宇副教授工學碩士控制理論與控制工程自動化學院2008年1月2008年3月哈爾濱工程大學哈爾濱工程大學碩士學位論文ABSTRACTWtmndynamicfixedfloatingbridgeoperateinrivertheyaredisturbe

2、dviolentlybywaterandwind，SOconstructingadynamicsmodelandrealizingprecisepositionfixedfordynamicfixedfloatingbridgeinriverhavebecomeanurgentproblemneedtobesolvedintheresearchofdynamicfixedfloatingbridgeThecharacteristicso

3、fmotionanddisturbactedondynamicfixedfloatingbridgeinriveraleanalyzedinthepapercombiningtheoreticalknowledgeofmulti—rigiddynamicsmodeling，constructthedynamicmodeldisturbedbywaterandwindFortheneedofactualcontr01befurthersi

4、mplifieddynamicsmodelbytheneedsofactualcontr01Floatingbridgeitselfisacomplexmulti—bodysystemWhenactedonuncertaintydisturbitishardtorealizeaccuratepositionfixednevariablestructurecontrolissuitabletoresolvethecontrolproble

5、mofcomplexsystems，beacauseofthenatureofnonlinearswitchcontrol，Inaddition，itsslidingmodehasthenotableadvantagesofinvariancewimintemalparameterschangeandexternaldisturbofthesystemThuswhentherearestronginterferenceinresolvi

6、ngcontrolproblemofcomplexsystems，variablestructurecontrolbecomeaneffe：ctivemethod。Thevariablestructurecontroltechniqueisappliedtopositioncontrolofdynamicfixedfloatingbridgeinriveronthebasisofdynamicsmodelconstructedabove

7、First，accordingtothecontroltheoryofvariablestructurecontrol，combiningthestudyobjectinthispaper，variablestructurecontrolleraredesignedforthedynamicfixedsystemoffloatingbridgeTendencyrationslidingmodeisusedasswitchingfunct

8、ionwhendesigningthevariablestructurecontrollerThen，simulationarecarriedouttothedynamicfixedcontrolsystemoffloatingbridgeAndbyanalyzingsimulationresults，reliabilityandvalidityofthedynamicmodelestablishedinthispaperareveri