基于制造过程信息融合的产品早期失效率评估

张传良; 戴伟; 梁培东; 赵宇

doi:10.13700/j.bh.1001-5965.2014.0604

基于制造过程信息融合的产品早期失效率评估

doi: 10.13700/j.bh.1001-5965.2014.0604

张传良¹,
戴伟^1, ,,
梁培东²,
赵宇¹

1.
北京航空航天大学可靠性与系统工程学院, 北京 100191
2. 北京无线电测量研究所, 北京 100054

详细信息

作者简介:
张传良(1990-),男,安徽淮北人,硕士研究生,zcls07@163.com

通讯作者:
戴伟(1982-),男,山西大同人,讲师,dw@buaa.edu.cn,主要研究方向为机械制造质量工程与工艺可靠性.

中图分类号: TH165⁺.4;TH161⁺.1
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出版历程
- 收稿日期: 2014-09-30
- 网络出版日期: 2015-08-20

Products early failure rate evaluation based on process information fusion

1.
School of Reliability and Engineering System, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Beijing Research Institute of Radio Measurement, Beijing 100054, China

摘要

摘要: 为在快速响应制造模式下充分利用制造过程多源信息,通过评价产品的早期失效率来评估特定工艺的质量,进而选取合适的工艺,提出基于制造过程信息融合的评估方法.首先建立产品早期失效率的模型,并给出参数估计的方法;其次通过对形成产品可靠性的制造过程进行分析,确定合理的信息源;再次利用信息熵得到当前加工完成的产品与类似产品的相似程度;最后确定产品早期故障率的融合分布,对当前工艺生产产品的早期故障率进行评估;并以雷达移相单元为评估对象,验证论文所提方法的可行性.
- 早期失效率 /
- 工艺评估 /
- 信息融合 /
- 信息熵 /
- 相似程度
Abstract: To select the appropriate technology, the assessment of early failure rate of product was carried out. To make full use of multi-source information to evaluate the early failure rate of the product in quick response manufacturing mode, an assessment method based on process information fusion was put forward. Firstly, the model of early failure rate was established and the method of parameter estimation was provided. Secondly, based on the analyzing of the forming process of product reliability, the reasonable source that influenced the early failure rate of products in the manufacturing process was determined. And then, by comparing the similar degree of current processing finished products and similar products, different prior distributions were determined. Finally, the fused distribution of the failure rate was determined based on the information entropy. And the case study on reliability evaluation of radar phase-shift unit is demonstrated to prove the feasibility and effectiveness of the proposed method.
- early failure rate /
- process evaluation /
- information fusion /
- information entropy /
- similar degree

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参考文献(15)

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