简介:系统实现了对工厂装备修理、器材、质量等方面的管理,装备修理工厂SAPR/3信息管理系统的实现及实施效果,装备修理工厂SAPR/3信息管理系统
简介:Recentlytherehavebeenresearchesaboutnewefficientnonlinearfilteringtechniques[1]~[3]inwhichthenonlinearfiltersgeneralizeelegantlytononlinearsystemswithouttheburdensomelinearizationsteps.Thus,truncationerrorsduetolinearizationcanbecompensated.ThesefiltersincludetheunscentedKalmanfilter(UKF),thecentraldifferencefilter(CDF)andthedivideddifferencefilter(DDF),andtheyarealsocalledSigmaPointFilters(SPFs)inaunifiedway[4].Forhigherorderapproximationofthenonlinearfunction.ItoandXiong[6]introducedanalgorithmcalledtheGaussHermiteFilter,whichisrevisitedin[5].TheGaussHermiteFiltergivesbetterapproximationattheexpenseofhighercomputationburden,althoughit’slessthantheparticlefilter.TheGaussHermiteFilterisusedasintroducedin[5]withadditionalpruningstepbyaddingthresholdfortheweightstoreducethequadraturepoints.