自適應(yīng)光學(xué)系統(tǒng)中預(yù)測控制算法研究.pdf

1、分類號——UDC——密級——編號8Q151壁墨Q!!中國科學(xué)院研究生院碩士學(xué)位論文自適應(yīng)當(dāng)堂丕笪空亟塑4控劍盟選嬰塑張秀娟指導(dǎo)教師壘塹刖型[盈旦生幽型堂院光!墊縫盔硇：壅旦iImI青學(xué)位級別亟』：學(xué)科專業(yè)名稱撿捌選丕叢臼蟄絲裝萋論文提交f：I期200605淪文答辯日期200606培養(yǎng)單位=lI!國型堂瞳堂!邑遮丕型[盈壓學(xué)位授哥單位I國科學(xué)院研究生院答辯委員會H書AbstractZHANGXiu]ttan(DetectionandAut

2、onlation)DirectedbyproELIXin—yangThereisusually23samplingtimedelayinanAdaptiveOpticsystemTheperfomlanceofthetimedelayofalladaptiveoptics(AO)systemissevel。elylimitedbythetimedelayForimprovethecontrolperfonnanceoftheAOsyst

3、em，akindofpredictioncontrolalgorithnawaspl‘oposedillthispaperteducetheeffectofservolagThepredictioncontrolalgorithmisusedtopredictthedefonnablenlirrorcontrolvoltagesofactuatorsTilefeedbackpredictioncontl‘olmodelandtheclo

4、se—looppredictioncontrolmodelareestablishedrespectivelyThecontrolvoltageoftimdeformablemirl’oristocorrectthedynamicatmosphereturbulenceThespatio—temporalcorrelationofthecontrolvoltageisprovedinthispaper，andtiffsprovidest

5、ilegrotmdwol’kforapplyingthespatio，tempol‘a(chǎn)lpredictionalgol‘ithmol、controlvoltageThepredictioncontrolalgorithmsbasedontimcontrolvoltageforthefeedbackmodelandclosedloopmodelarestudieddetailedlyThepm‘fonllallceofthepredict

6、ioncontrolalgorithmforthefeedbackmodelwasanalyzedbynumericalsimulationTheresidualerroroftileadaptiveopticssystemwascalculatedwithandwithoutthep11edictioncontrolalgol’ilhmrespectivelyThe。esu／tsshowthattheresidualel’Forwas

7、reducedeffectivelywiththepredictioncontrolalgorithmTwokindofpredictioncontrolalgorithmsfolaclosed—loopAOsystemareadoptedintiffspaper，oneiscalleddirectclosed—loopp11edictioncontl’olalgolithmtheothm‘isfeedbackcombinewifllc