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1、河南科技大學(xué)碩士學(xué)位論文search,aswellasthecenterandradiusof3Dcircle;tosolvetheintersectioncoordinateswherethe3Dcircleandtheplaneofeachlinecontourintersectat;tocalculatethedifferencebetweenmaximumandminimumamongthedistanceswhicharefromthemeasurementpointsontheconto
2、urofeachlinetoeachcorrespondingintersection,findtheminimumrangevalueamongthemandthecentralregionwhichformedbyrotatingthelinecontourofminimumrangevaluearoundtheZ-axisfor360degree,theminimumzonesformerroroftheentirebearingracewaywillbeworkedout.4.Intheca
3、seoftheexternalerrorornoexternalerror,theformerrorofbearingracewayisassessed,throughsimulationtoverifythebearingracewayshapeerrorofleastsquaresevaluationandthesmallestregion,intheory,proveitscorrectness.Inthepaper,becausethetwoevaluationsabouttheformer
4、rorofbearingracewayarebasedonsimplegeometricoperations,itcaneffectivelyandaccuratelyachievetheaccurateassessmentabouttheglobalerroroftheentireracewaycontours.KEYWORDS:Bearingracewayshapeerror,Least-squareevaluation,Minimumzoneevaluation,Geometryoptimiz
5、ationalgorithmDissertationType:AppliedbasicresearchIV萬(wàn)方數(shù)據(jù)目錄目錄第1章緒論.................................................11.1選題依據(jù)..................................................................................................................11.2軸承溝道形狀誤差評(píng)定的
6、現(xiàn)狀..............................................................................21.2.1國(guó)外研究現(xiàn)狀..................................................................................................21.2.2國(guó)內(nèi)研究現(xiàn)狀..................................................
7、................................................21.3本文研究?jī)?nèi)容..........................................................................................................4第2章軸承溝道形狀誤差的定義...............................52.1軸承溝道形狀誤差概述............................
8、..............................................................52.2本章小結(jié)..................................................................................................................6第3章軸承溝道形狀誤差最小二乘評(píng)定.........................73.1最小二乘評(píng)
