基于综合环境加速寿命试验的电子装备故障预测研究  

Fault Prediction Research of Electronic Equipment Based on Composition Environmental ALT

作　　者：贾占强[1] 蔡金燕[1] 梁玉英[1] 李刚[1] 

机构地区：[1]军械工程学院光学与电子工程系,河北石家庄050003

出　　处：《电子学报》2009年第6期1277-1282,共6页Acta Electronica Sinica

基　　金：国家自然科学基金(No.60472009)

摘　　要：对某型雷达天控系统的20kHz信号板进行均匀正交试验,利用试验数据对试验结果进行了深层次的分析,总结出温湿度条件下电子装备性能衰退的一般规律;针对在故障预测中占有重要地位的电子装备可靠性预测问题,提出了一种基于综合环境加速寿命试验的电子装备可靠性预测新方法,该方法将性能退化理论拓展为加速性能退化理论,将该理论与传统可靠性预测方法相结合,有效地解决了加速寿命试验中无失效数据的处理问题,最后通过具体的算例验证了该方法的有效性.Make a uniformly orthogonal testing for 20 kHz signal PCB of radar,and use the testing data to analysis the testing results. Conclude the general rule of performance degradation of electronic equipment in the environment of temperature and humidity;Aiming at the electronic equipment reliability prediction problem, which play an important role in fault prediction,present an new method about electronic equipment reliability prediction based on Combine Environmental ALT. This method extends the performance degradation theory to accelerated performance degradation theory. The no failure data problem in ALT was resolved combining the theory and traditional reliability prediction. In the end, validity of this method was proved by an example.

关 键 词：温湿度试验 金属腐蚀 加速性能退化 故障预测 可靠性预测 

分 类 号：TB114.3[理学—概率论与数理统计]