結(jié)構(gòu)振動(dòng)半主動(dòng)控制及其實(shí)用性研究.pdf

1、天津大學(xué)碩士學(xué)位論文結(jié)構(gòu)振動(dòng)半主動(dòng)控制及其實(shí)用性研究姓名：趙林申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：何玉敖20031201ABSTRACTABSTRACTAtpresent，ithasbeenprovedbytheoryandexperimentthatthesemi—activecontrolisthemosteffectiveandeconomicalmethodteducetheseismicdisasterAsonemeth

2、odofthestructuralcontrol，thesemi—activecontr01combinestheactivecontrolwiththepassivecontrol，anditcanapproachtothecontroleffectivenessoftheactivecontrolwithonlylittleenergy，whichmakesitthedevelopmentaltendencyofthestructu

3、ralcontr01Butwiththestrongnonlinearspeciality，thesemi—activecontrolisnotperfectintheoryThusitisveryimportantintheoryandpracticethatthesemi—activecontrolofstructuralvibrationanditspracticabilityarestudieddeeplyFollowingpo

4、intsaretheachievementofmyresearch：1Basedonsinglestepstatepredictingcontrollaw，AVSDmulti—modalswitchingcontrollawforMDOFstructuralsystemispresented2PutforwardatrackingcontrolalgorithmbasedOinLQGcontroltheoryforMRdamperapp

5、liedinthesemi—activecontrolfieldofstructuralvibration3AnalyzetheapplicationdevelopmentofArtificialNeuralNetworkinthecontrolfieldofstructuralvibrationatfirst，andthenaprecisemethodofsystemidentificationbasedonBPNeuralNetwo

6、rkissuggested4Problemsabouttimedelayofthesemiactivecontrolsystemarestudiedfirstly，andthentwomethodsfortime—delaycompensationareintroduced5OptimalplacementofAVSDcontroldevicesinthesemiactivecontrolsystemisdiscussedBasedon

7、multi—modaloptimalplacementcriterion，amethodofoptimalplacementisgiven6Analyzethecurrentpracticabilityproblemsofthesemi—activecontrolofstructuralvibration，basedontheaboveproblems，somefutureresearchdirectionsarepointedoutK