|
|||||
|
|
| 对数正态分布下基于MLE的红外LED的寿命预测 | |
| 引用本文： | 张建平,武文丽,周廷君,朱文清. 对数正态分布下基于MLE的红外LED的寿命预测[J]. 液晶与显示, 2011, 26(1): 68-72. DOI: 10.3788/YJYXS20112601.0068 |
| 作者姓名： | 张建平 武文丽 周廷君 朱文清 |
| 作者单位： | 1. 上海电力学院,能源与环境工程学院,上海,200090;上海交通大学,机械与动力工程学院,上海,200240 2. 上海电力学院,能源与环境工程学院,上海,200090 3. 上海大学,新型显示技术及应用集成教育部重点实验室,上海,200072 |
| 基金项目： | 新型显示技术及应用集成教育部重点实验室(上海大学)资助项目(No.P201002); 上海市科委项目(No.10dz1140206); 上海市自然科学基金(No.09ZR1413000); 上海市教育委员会科研创新项目(No.11ZZ172,No.11ZZ171); 上海市教委重点学科(第五期)G51304;上海市教委第三期本科教育高地建设项目 |
| 摘 要： | 为了获得红外LED的寿命信息,采用对数正态分布函数描述了红外LED的寿命分布,利用极大似然法(MLE)估计了对数均值和对数标准差,完成了恒定及步进应力实验数据的统计和分析,并自行开发了寿命预测软件。数值结果表明,红外LED的寿命服从对数正态分布,其加速模型符合逆幂定律。精确计算的加速参数使得快速估算红外LED寿命成为可能。 |
| 关 键 词： | 红外LED 寿命预测 对数正态分布 MLE |
Life Prediction for Infrared LED Based on MLE under Lognormal Distribution |
|
| ZHANG Jian-ping,WU Wen-li,ZHOU Ting-jun,ZHU Wen-qing. Life Prediction for Infrared LED Based on MLE under Lognormal Distribution[J]. Chinese Journal of Liquid Crystals and Displays, 2011, 26(1): 68-72. DOI: 10.3788/YJYXS20112601.0068 | |
| Authors: | ZHANG Jian-ping WU Wen-li ZHOU Ting-jun ZHU Wen-qing |
| Affiliation: | ZHANG Jian-ping 1,2,WU Wen-li1,ZHOU Ting-jun1,ZHU Wen-qing3(1.School of Thermal Power and Environmental Engineering,Shanghai University of Electric Power,Shanghai 200090,China 2.School of Mechanical Engineering,Shanghai Jiaotong University,Shanghai 200240,China,3.Key Laboratory of Advanced Display and System Applications of EMC,Shanghai University,Shanghai 200072,China) |
| Abstract: | In order to acquire the life information of infrared LED,the lognormal distribution function was applied to describe the life distribution,the maximum likelihood estimation(MLE) was employed to estimate the mean value and the standard deviation of logarithm,and the statistics and analysis on constant stress and step stress test data were achieved.Furthermore,the predicted-life software was self-designed.The numerical results show that the infrared LED life is characterized by lognormal distribution,and the ... |
| Keywords: | infrared LED life prediction lognormal distribution MLE |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |