网络控制系统仿真及其应用

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1、大连交通大学硕士学位论文网络控制系统仿真及其应用姓名：王平福申请学位级别：硕士专业：计算机应用技术指导教师：邱占芝20081213大连交通人!学1：学硕十学伊论文AbstractNetworkedCongolSystems州cs)iSacontrolsystembasedonnetwork,whichtakecommunicationnetworkintocontrolandcarryoutsha而ngnetworkresourceanddistributedcontr01．Therearesomeadvantage

2、sforthecontrolsystem．suchasmodularconstruction，lesscost，controlanddetectionindistribute，easytodiagnosefault，easilyexpend，flexibility，directcommunicationamongnodesinNCSorbetweenNCSandtheInteractetc．However．duetotheexistenceofthenetwork，itwillinevitablybringaloto

3、fproblems，suchasdelay．interrupt，networkjam，timingdisorder，packetloss，difficultinclocksynchronizationamongnodesandSOon．Theseproblemswillnotonlyreducethesystem’Sperformance，butalsocausesomepotentialfactorsofsysteminstability．Accordingtotheabove—mentionedsituation

4、，thepaperdosomeresearchonthestabilityandcontrollerofNCS，usingLyapunovstabilitytheory。linearequationsinequalityetc．simulateinLMItoolboxandTrueTimeaswellas，themainworkiSasfollows：Firstofa11．foraclassofNCS．thestabilityrelatedtothedelayandsolutionoftheparameterconc

5、emedonMaximumAllowableDelayBound(MADB)arementionedjSecond．fortheuncertaintyNCS，westudythestabilityofthesystem，Delay-independent，Delay．dependentandguaranteedcostcontroletc．Third．theeffectonperformanceofNCSduetoseveralfactorsiSdiscussed，suchasinduce-timedelay，int

6、erference，packetdrop-out，sampledperiod，networkmode，scheduling，anddisturbance．basedonNCSsimulmionmodelinTrueTime．Furthermore，thesimulationresultsandtheconclusionsconcernedareprovided．Finally，severaltypicalapplicationsofNCSaregiven．Combinedwiththeshipmootingmonit

7、oringsystem，thenetworkedcontrolplanandoutlinedesignofJettyShip—mooringsMonitotingSystemaregiven．KeyWords：NetworkedControlSystems(NCS)；simulationandanalysis；LinearMatrixInequation；TrueTime；JettyShip—mooringsMonitoringSystems．11大连交通大学学位论文独创性声明本人声明所呈交的学位论文是本人在导师指导

8、下进行的研究工作及取得的研究成果。尽我所知，除了文中特别加以标注和致谢及参考文献的地方外，论文中不包含他人或集体己经发表或撰写过的研究成果，也不包含为获得太整銮通太堂或其他教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示谢意。本人完全意识到本声明的法律效力，申请学位论文与资料若有不立之