轴承沟道形状误差评定算法分析

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1、河南科技大学硕士学位论文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万方数据目录目录第1章绪论.................................................11.1选题依据..................................................................................................................11.2轴承沟道形状误差评定的

6、现状..............................................................................21.2.1国外研究现状..................................................................................................21.2.2国内研究现状..................................................

7、................................................21.3本文研究内容..........................................................................................................4第2章轴承沟道形状误差的定义...............................52.1轴承沟道形状误差概述............................

8、..............................................................52.2本章小结..................................................................................................................6第3章轴承沟道形状误差最小二乘评定.........................73.1最小二乘评