封面
声明
致谢
中文摘要
英文摘要
目录
变量注释表
1 绪论
1.1 选题背景及研究意义(Research Background and Significance)
1.2 国内外相关研究概况及研究现状(Domestic and Foreign Research Development Overview)
1.3 论文主要研究内容与结构安排(Main Contents and Structure)
1.4 本章小结(Brief Summary of this Chapter)
2 滚动轴承与齿轮的故障类型和振动机理分析
2.1 滚动轴承的故障类型与振动机理分析(Analysis of Rolling Bearing Fault Type and Vibration Mechanism)
2.2 齿轮的故障类型与振动机理分析(Analysis of Gear Fault Type and Vibration Mechanism)
2.3 变转速滚动轴承振动信号特点(Rolling Bearing Vibration Signal Characteristics of Variable Rotation Rate)
2.4 本章小结(Brief Summary of this Chapter)
3 变转速滚动轴承故障诊断方法研究
3.1 经验模态分解方法的基本原理(Basic Theory of Empirical Mode Decomposition)
3.2 改进的小波阈值去噪方法原理(Theory of Improved Wavelet Threshold Denoising Method)
3.3 基于 EMD 的变转速滚动轴承特征提取方法(Fault Feature Extraction Method of Variable Rotation Rate Rolling Bearing Based on EMD)
3.4 广义回归神经网络的基本原理(Basic Theory of General Regression Neural Network)
3.5 本章小结(Brief Summary of this Chapter)
4 变转速齿轮故障诊断方法研究
4.1 小波包分析理论基本原理(Basic Theory of Wavelet Packet Analysis)
4.2 基于小波包分解的变转速齿轮故障特征提取方法(Fault Feature Extraction Method of Variable Rotation Rate Gear Based on WPD)
4.3 基于短时傅里叶变换的变转速齿轮故障特征提取方法(Fault Feature Extraction Method of Variable Rotation Rate Gear Based on STFT)
4.4 支持向量机的基本原理(Basic Theory of Support Vector Machines)
4.5 基于支持向量机的变转速齿轮故障分类模型构建(Construction of Variable Rotation Rate Gear Fault Classification Model based on SVM)
4.6 本章小结(Brief Summary of this Chapter)
5 变转速滚动轴承和齿轮故障诊断实验验证
5.1 变转速滚动轴承和齿轮故障仿真实验台(Rolling Bearing and Gear Fault Simulator of Variable Rotation Rate)
5.2 变转速滚动轴承和齿轮故障诊断实验方案(Rolling Bearing and Gear Fault Diagnosis Experiment Scheme of Variable Rotation Rate)
5.3 变转速滚动轴承故障诊断实验(Rolling Bearing Fault Diagnosis Experiment of Variable Rotation Rate)
5.4 变转速齿轮故障诊断实验(Gear Fault Diagnosis Experiment of Variable Rotation Rate)
5.5 本章小结(Brief Summary of this Chapter)
6 总结与展望
6.1 总结(Summary)
6.2 研究展望(Research prospects)
参考文献
作者简历
学位论文数据集