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二元Wiener过程下的小样本电主轴可靠性分析

王明磊 原大宁 刘宏昭

王明磊, 原大宁, 刘宏昭. 二元Wiener过程下的小样本电主轴可靠性分析[J]. 机械科学与技术, 2017, 36(2): 279-285. doi: 10.13433/j.cnki.1003-8728.2017.0220
引用本文: 王明磊, 原大宁, 刘宏昭. 二元Wiener过程下的小样本电主轴可靠性分析[J]. 机械科学与技术, 2017, 36(2): 279-285. doi: 10.13433/j.cnki.1003-8728.2017.0220
Wang Minglei, Yuan Daning, Liu Hongzhao. Reliability Analysis of Motorized Spindle with Small Sample based on Two-dimensional Wiener Process[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(2): 279-285. doi: 10.13433/j.cnki.1003-8728.2017.0220
Citation: Wang Minglei, Yuan Daning, Liu Hongzhao. Reliability Analysis of Motorized Spindle with Small Sample based on Two-dimensional Wiener Process[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(2): 279-285. doi: 10.13433/j.cnki.1003-8728.2017.0220

二元Wiener过程下的小样本电主轴可靠性分析

doi: 10.13433/j.cnki.1003-8728.2017.0220
基金项目: 

国家科技重大专项计划项目(2010ZX04014-012)与国家自然科学基金项目(51275404)资助

详细信息
    作者简介:

    王明磊(1988-),硕士研究生,研究方向为机电系统测试与智能控制系统,549192031@qq.com

    通讯作者:

    原大宁(联系人),教授,daningyuan@163.com

Reliability Analysis of Motorized Spindle with Small Sample based on Two-dimensional Wiener Process

  • 摘要: 针对高速电主轴产品的退化过程具有多个退化特征量,以及退化过程平稳、缓慢的特点,采用二元Wiener过程对其进行可靠性建模,并将二元Wiener过程的漂移参数看作随机变量来体现电主轴的个体差异性。利用极大似然法结合虚拟增广样本法和Bootstrap法来估计模型中的未知参数,以解决被试电主轴的小样本问题,得到电主轴产品寿命的可靠度函数。最后,通过对2根磨削电主轴产品的退化数据进行比较分析,验证了所提方法的合理性与精确性。
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出版历程
  • 收稿日期:  2015-06-05
  • 刊出日期:  2017-02-05

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