基于TCP_IP的网络时延补偿控制器设计及仿真

《基于TCP_IP的网络时延补偿控制器设计及仿真》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、西南交通大学硕士学位论文基于TCP/IP的网络时延补偿控制器设计及仿真姓名：李叶申请学位级别：硕士专业：控制理论与控制工程指导教师：杨名利20070401西南交通大学硕士研究生学位论文第1I页AbstractNetworkedControlSystem(NCS)．i．e．Network—basedControlSystem，iSanewstyleofcontrolsystemarchitecture，andisafeedbackcontrolsysteminwhichallcontrolsystemcomp

2、onentsareconnectedtogetherbyareal—timenetwork．NCSwhichintegratescomputer，network，communicationandautomaticcontrol，providesmanyadvantages，hasbecamemoreandmorecoli硼onusedinrecentyears，ButuncertaindelaysareinsertedintoNCS100pbythesharednetworking，broughtinman

3、yproblemsastimedelayproblemandSOon．Thethesisdoessomeresearchworksontimedelaycomputingandtimedelayforecastevaluation，networkinduceddelaycompensationstrategy，simulationandexperimentofNCS．Themainresearchesareasfollows：Firstly，NCS’Sbackground，conceptandbasicpr

4、oblemsareintroduced．ThekeyproblemsonNCSandtheimprovementsofNCSareemphaticallydescribed．ThenthemainworkwhichthethesiShasdoneisproposed．Secondly，Totheexistingnetwork—inducedtimedelaybasedonTCP／IP，networktime—delayismeasuredandanalyzed．Amethodofon—linecomputi

5、ngandpredictingtime—delayisproposed．Thirdly，thenetworkedcontrolsystemswhosebiggistnetworktime—delayiSlargerthanonesampleperiodareresearched．Thedynamicfuzzycontrollerisdesigned，andtheoptimalparameterlibrarycorrespondingtodifferentnetworktime—delayisobtained

6、bygeneticalgorithm．Whilenetworktime—delayischanging，thecontrollerparameterscanbeturneddynamicallybytheoptimalparameter1ibrary．Itcanensurethestabi1ityandtheperformanceofthecontrolsystems．Atlast，TheSimulationtechnologyofNCSisstudied．Firstofa11，anewNCSsimulat

7、iontoobox。TruetimeiSintroduced．TheSimulationon西南交通大学硕士研究生学位论文第1ll页NCSismadebythistoolboxtoverifythevalidityofthecontrolstrategy．Secondly．Areal—timesimulationsystemofNCSbasedonTcP／IPisdescribed，andestablishthefundationfortheapplicationofNCS．Keywordsnetworke

8、dcontrolsystems；networktimedelay；dynamicfuzzycontroller；TrueTime；real—timesimulation西南交通大学硕士研究生学位论文第1页第1章绪论1．1网络控制系统概述“NetworkedControlSystems”最早于1998年出现在马里兰大学G。C，walsh的论著中“’21，但未给出明确的定义，只是用图示说明了网络控制系统的结构，指出在