航空發(fā)動機部件性能跟蹤濾波器研究.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文航空發(fā)動機部件性能跟蹤濾波器研究姓名：歐陽舟申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：樊思齊20040301西北「業(yè)人學(xué)碩二論文AbstractAbstractThispaperresearchestheenginecomponenttrackingfilterforModelBasedControlsystem.Thepaperanalyzesthesourcesofmodelenginemismat

2、chanddesignsanenginecomponenttrackingfiltertominimizemodelenginemismatchbasedontheKalmanfilteringmethods.Themaincontentofthispaperisthedesignapproachforestimatingenginecomponentdeviationparameters.Theestimateparametersar

3、eusedtotunetheembeddedmodeltominimizemodelenginemismatch.BecausethelinearizedenginemodelistimeinvariantitiswellknownthattheKalmanfiltergainmatrixconvergestoauniqueconstantvalueifthesystemisbothfullyobservableandcontrolla

4、ble.Hence，theKalmanfiltergainmatrixcanbecomputedoflineusingMATLAB.TheresearchusescompensatingmethodtosolveKalmanfilteringdivergenceproblems.Thispaperintroduceananalyticmethodofincorporatingstatevariableinequalityconstrai

5、nsintheKalmanfilter.Theincorporatingstatevariableinequalityconstrainscanimprovestheestimationaccuracyandstrongtheperformanceofrestrainingthenoise.Theresearchshowsthattheenginecomponenttrackingfilterdesignedinthispapercan