机床主轴温度测点布置优化与测点数据异常自修复技术

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1、华中科技大学硕士学位论文temperaturedatauncertaintyofmeasurementmethodsonthevariableworkingconditionandanalyzingthecharacteristicsofthedataoftemperaturebyusingquantitativemeasureofhypothesistesttodiagnosistemperaturedataanomalies,throughtheLS-SVMregressionestimationrepairabnormaltemperatur

2、edataensuringstabilityofthermalerrorcompensationsystem.Keywords:Thermalerror;Temperaturesensorplacementoptimization;Self-repair;InformationEntropy;CombinationkernelfunctionIII华中科技大学硕士学位论文目录摘要......................................................................................

3、...................IAbstract......................................................................................................II第一章绪论1.1课题来源及研究意义......................................................................(1)1.2国内外研究现状.............................................

4、.................................(2)1.3本文研究的主要内容......................................................................(6)第二章机床主轴温升特性分析2.1数控机床主轴热源分析和温升测量..............................................(8)2.2主轴温升特性实验及分析............................................................(1

5、1)2.3本章小结.........................................................................................(17)第三章基于热变形分解技术的温度测点布置优化3.1主轴热变形实验及分析................................................................(18)3.2基于热变形分解技术的测点优化布置方法................................(25)3.3本章小结.........

6、................................................................................(27)第四章基于组合核函数LS-SVR热误差建模4.1支持向量机回归理论....................................................................(29)4.2主轴热误差实验.............................................................................(

7、31)4.3组合核函数LS-SVR模型..............................................................(34)4.4本章小结.........................................................................................(47)第五章主轴热误差温度监测系统测点数据异常自修复5.1测点数据间非线性关系的表征算法............................................(48)5.2

8、测点数据异常诊断方法...................................................