滚动轴承振动的灰自助动态评估与诊断

夏新涛; 陈晓阳; 张永振; 王中宇; 柏有才; 刘春浩

滚动轴承振动的灰自助动态评估与诊断

1.
上海大学轴承研究室, 上海 200072
2.
河南科技大学机电工程学院, 河南洛阳 471003
3.
北京航空航天大学仪器科学与光电工程学院, 北京 100083
4.
人本集团有限公司, 上海 200000

基金项目: 国家自然科学基金资助(5037501150675011);国防科工委项目子项(MKPT-2004-51ZD/7)

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出版历程
- 收稿日期: 2006-05-23
- 修回日期: 2006-10-20
- 刊出日期: 2007-01-28

Dynamic assessment and diagnosis of vibration of rolling bearings using grey bootstrap

1.
Research Institute of Bearings, Shanghai University, Shanghai 200072, China
2.
School of Electromechanical Engineering, Henan University of Science and Technology, Luoyang 471003, China
3.
School of Instrument Science and Opto-Electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
4.
C & U Group L imit ed Com pany, Shang hai 200000, China

摘要

摘要: 以灰预报和自助再抽样方法为基础, 提出灰自助动态评估与诊断模型, 以评估和改进滚动轴承的振动.该模型用动态不确定度、估计区间、估计真值、平均不确定度、平均真值和系统误差测度等6个参数, 描述滚动轴承振动的基本特征.对HKRB轴承的试验表明, 该模型对随机误差的概率分布与系统误差的类型没有任何要求, 在平均不确定度为最小的条件下分离出系统误差.评估的可信度达到100%.根据灰自助动态评估结果, 还诊断出影响轴承振动的误差特征, 揭示了来自轴承零件制造的误差根源, 为实施滚动轴承振动的生产过程控制奠定了基础.
- 航空、航天推进系统 /
- 滚动轴承 /
- 振动 /
- 评估 /
- 诊断 /
- 非统计原理
Abstract: Based on grey prediction and bootstrap resampling,a model of dynamic assessment and diagnosis is proposed to evaluate and improve vibration of rolling bearings.The model characterizes vibration of rolling bearings by developing six parameters,viz.dynamic uncertainty,estimated interval,estimated true value,mean uncertainty,mean true value,and systematic error measure.Experiments on HKRB bearing show that the model can separate systematic errors with a minimum of the mean uncertainty,without any requirements for both the probability distribution of random errors and the type of systematic errors.Reliability of assessment is proved to be 100%.The model also discovers the effect of error character on vibration of rolling bearings and then lays a foundation of control over vibration of rolling bearings in the process of production,by revealing error root from making the parts of rolling bearings.
- aerospace propulsion system /
- rolling bearing /
- vibration /
- assessment /
- diagnoses /
- non-statistical theory

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参考文献(17)

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