線性時(shí)滯系統(tǒng)次優(yōu)控制的無滯后轉(zhuǎn)換法.pdf

1、青島海洋大學(xué)碩士學(xué)位論文線性時(shí)滯系統(tǒng)次優(yōu)控制的無滯后轉(zhuǎn)換法姓名：王芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用指導(dǎo)教師：唐功友2001.5.1重墅塑堂盔堂堡主堂垡堡墨——一ABSTRACTGenerallyspeaking，time—delaydoesexistinanysystem(includinglarge—scalesystem)Theanalysisandsynthesisofcontrolsystemswithtimedelayar

2、edifficultbothmathematicallyandpracticallyInchapter1weintroducethestudystatusquoofthestabilitythestabilization，theoptimalcontrolandthesuboptimalcontrolproblemontime—delaysystemsInchapter2themethodswehaveoftenseenareintro

3、ducedinsolvingthesuboptimalcontrolproblemInthisthesis，thesuboptimalcontroloflineartimedelaysystemsismainlystudiedInchapter3，weconsidertheproblemsofsuboptimalcontrolforaclassoflinearsystemswithsmalltimedelayAnewmethodofsu

4、boptimalcontrolbasedonnondelaytransformationapproachisproposedWeintroduceanincrementofstatetermsasanadditionaldisturbance，andusetheasymptoticapproximationmethodofdifferentialequationtheoryintheproblemWetransformthetwo—po

5、intboundaryvalueproblemwithtimedelaytermsandtimeadvancetermstoagroupofoneswithouttimedelaytermsandtimeadvancetermsaccordingtothethoughtofnon—delaytransformationapproachBytakingtheN恤iterativevalueofoptimalsolutions，weobta

6、inasuboptimalcontrollawThenumberofitemsNisdependentonthesizeofthetimedelay。ThesmallerTis，thefewertheseitemscanbeThereforethemethodismoresuitedforsuboptimalcontrolforsmalltime—delaysystemsandrealtimecontrolsystemsSimulati

7、onresultshowsthatthealgorithmiciseffectualInchapter4weapplythenondelaytransformationmethodtoalinearlargescalesystemwithsmalltime—delayAlltheincrementsofstatetermsandinterconnectedtermsamongsubsystemsareconsideredasadditi