基于多应力加速试验方法的智能电表寿命评估

查国清; 黄小凯; 康锐

doi:10.13700/j.bh.1001-5965.2014.0788

基于多应力加速试验方法的智能电表寿命评估

doi: 10.13700/j.bh.1001-5965.2014.0788

1.
北京航空航天大学可靠性与系统工程学院, 北京 100191
2. 中国空间技术研究院北京卫星环境工程研究所, 北京 100094

详细信息

作者简介:
查国清(1979-),男,安徽黄山人,博士研究生,zgq@buaa.edu.cn

通讯作者:
康锐(1966-),男,辽宁本溪人,教授,kangrui@buaa.edu.cn,主要研究方向为可靠性系统工程.

中图分类号: TB553
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- 被引次数: 0
出版历程
- 收稿日期: 2014-12-15
- 修回日期: 2015-05-08
- 网络出版日期: 2015-12-20

Smart meter lifetime evaluation based on multi-stress acceleration test method

1.
School of Reliability and System Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Beijing Institute of Spacecraft Environment Engineering, China Academy of Space Technology, Beijing 100094, China

摘要

摘要: 如何准确地分析、评估多应力-多参数下智能电表的可靠性和寿命是当前热点.首先分析了在温度、湿度、电应力、振动和磁场等条件下智能电表的性能参数内涵,通过失效机理分析提炼了关键参数及其敏感应力,然后通过强化试验探索了关键参数应力极限条件,设计了加速寿命试验方案并实施,对试验数据进行退化轨迹建模、多应力加速模型研究,综合评估了智能电表可靠性和寿命水平.本文成果能为改善智能电表可靠性和寿命提供方法.
- 智能电表 /
- 多应力 /
- 多参数 /
- 强化试验 /
- 加速寿命试验
Abstract: How to accurately analyze and assess reliability and life of smart meters under the multi-stress and multi-parameter condition is a very hot research topic currently. Firstly, the performance of smart meter under conditions of temperature, humidity, electrical stress, vibration and magnetic field were analyzed, and the key performance parameters and sensitive stress were extracted based on failure mechanism analysis. Secondly, the limiting conditions of key performance parameters were explored through enhancement experiment. Finally, an acceleration lifetime experiment program according to the result of enhancement experiment was designed to obtain the key performance degradation data with integrated testing system and establish the degradation trace model, analyze the multi-stress acceleration model, and eventually comprehensively evaluate the smart meter reliability and life. The proposed methodology of evaluating smart meter reliability and life with enhancement experiment and acceleration experiment, the research thought and conclusions can provide theoretical support for the improvement of smart meter reliability and life.
- smart meter /
- multi-stress /
- multi-parameter /
- enhancement test /
- acceleration life test

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参考文献(15)

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