简介:Adiscretegain-varyingunknowninputobserver(UIO)methodispresentedforactuatorfaultdetectionandisolation(FDI)problemsinthispaper.Anovelresidualschemetogetherwithamovinghorizonthresholdisproposed.ThisdesignmethodologyisappliedtoanonlinearF16systemwithpolynomialaerodynamicscoefficientexpressions,wherethecoefficientexpressionsfortheF16systemandUIOsmaybeslightlydifferent.ThesimulationresultsillustratethatasatisfactoryFDIperformancecanbeachievedevenwhentheF16systemisundertheenvironmentofmodeluncertainties,exogenousnoiseandmeasurementerrors.