柔性結(jié)構(gòu)降階控制器的基礎(chǔ)理論研究.pdf

1、浙江大學博士學位論文柔性結(jié)構(gòu)降階控制器的基礎(chǔ)理論研究姓名：孫濤申請學位級別：博士專業(yè)：固體力學指導教師：徐博侯19980701塑堊查蘭苧主蘭焦笙莖AbstractAfterIntroducingthedesignm甜hodsofreducedordercontrollerforflexiblestructuretheissuesaboutoutputfeedbackpoleplacement，outputfeedbackoptimalc

2、ontrolandthecontrollerplaoementalrestudied：IAsufficientconditionforstaticoutputfeedbackpoleassignmentWaSpresentedAndtheconditioniSveryelosedto蹦：o瞄魏fycondition鋤celtmissestilenecessaryconditionbyonlyonedegreeoffl僦domUnlike

3、someotherSU伍ciontconditionitiSeasytocheckAcomputationalmethodIS罌V∞tosolvestaticoutputfeedbackpoleassigmneraproblem—ThemethodcanbeNonIterative；AndthenumericalexampleshowthemethodiSefficient2AsufficientCOIlditionfordynamic

4、outputfeedbackpoleassignmentwaspresentedTKSconditionsee儺lessconservativebecauseitmissesthenecessaryconditionbyomvonedegreeoffrecdominsomePagesTheSU伍cientconditioniseasytocheckAcomputationalmethodiSalSOglyentosolvedynamic

5、outputfeedbackpoleassignmentproblemThemethodCallbeNonIterative，AndthenumericalexampleshowthemethodiSefficient3AcomputationalmethodisintroducedtodesignoutputfeedbackoptimalcontrollerButtheconvergenceofthemethodiSpoorAndTh

6、emethodseemslessefficientinsolvinglargescaleproblemThisisthereasonwhyitcouldn’tbeusedwidelyinrealsystemThenumericalexampleshowtheoutputfeedbackoptimalcontrollerimprovethedynamicresponseofclose。loopsystem4Subspacecontroll

7、abilityisdefinedasthedifficultytocontroltheprespecifiedsubspaceinthelimitedtimerange，andtheconcreteformofsubspacecontrollabilityfortheflexiblestructureispresentedUsingthisconceptweallocatedtheflexiblestructurecontrollero