简介:Thispapergivesadefinitionofidentifiabilityformultidimensionallinearinput-outputsystemsandpresentsanecessaryandsufficientconditionforitssatisfaction.Foraclassofidentifiablesystemsitisalsoshownthattheunknowncoeffcientsofthesystemcanconsistentlybeestimatedbyarecursivealgorithm.
简介:Stochasticadaptivecontrolisconsideredforthediscrete-timemulti-inputandmulti-outputsystemofmulti-delaywithnoiseexpressedbyanARMAprocess.TheCARIMAmodelisaspecialcaseofthesysteminquestion.Theoptimaladaptivecontrollawisgivenanditisshownthataquadraticcostfunctionisminimizedandtheclosed-loopsystemisstable.Further,whenthesystemisofminimumphase,theconvergenceratesofparameterestimatesandofthecost-functionarealsoderived.