Life prediction of LED lamps based on BRM under three-parameter weibull distribution

ZHANG Jian-ping; CHEN Wen-long; CHEN Xiao; YING Kai-xiong; CHENG Guo-liang; QIU Ying-ji; J

doi:10.3788/YJYXS20153003.0525

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Life prediction of LED lamps based on BRM under three-parameter weibull distribution

Measurement Technology | 更新时间：2020-08-12

- Life prediction of LED lamps based on BRM under three-parameter weibull distribution
- Chinese Journal of Liquid Crystals and Displays Vol. 30, Issue 3, Pages: 525-530(2015)
- 作者机构：
  
  1. 上海电力学院能源与机械工程学院上海,200090
  2. 上海天逸电器股份有限公司, 上海 201611
  3. 浙江京东方显示技术有限公司, 浙江绍兴 312000
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20153003.0525
  CLC： TN364.2
- Received：11 July 2014，
  
  Revised：02 September 2014，
  
  Published：05 June 2015
- 稿件说明：
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张建平, 陈文龙, 陈晓, 应开雄, 成国梁, 邱迎吉, 金蓓雯. 三参数Weibull分布下基于BRM的LED照明灯寿命预测[J]. 液晶与显示, 2015,30(3): 525-530

ZHANG Jian-ping, CHEN Wen-long, CHEN Xiao, YING Kai-xiong, CHENG Guo-liang, QIU Ying-ji, JIN Bei-wen. Life prediction of LED lamps based on BRM under three-parameter weibull distribution[J]. , 2015,30(3): 525-530
张建平, 陈文龙, 陈晓, 应开雄, 成国梁, 邱迎吉, 金蓓雯. 三参数Weibull分布下基于BRM的LED照明灯寿命预测[J]. 液晶与显示, 2015,30(3): 525-530 DOI： 10.3788/YJYXS20153003.0525.

ZHANG Jian-ping, CHEN Wen-long, CHEN Xiao, YING Kai-xiong, CHENG Guo-liang, QIU Ying-ji, JIN Bei-wen. Life prediction of LED lamps based on BRM under three-parameter weibull distribution[J]. , 2015,30(3): 525-530 DOI： 10.3788/YJYXS20153003.0525.

摘要

为了在短时间内准确获得LED照明灯的寿命信息

以3组恒定加速应力的试验数据为基础

采用三参数Weibull函数描述其寿命分布

基于双线性回归法(BRM)对试验数据进行处理分析

并利用自行开发的寿命预测软件较为精确地得出LED照明灯在正常工作应力下的寿命.数值结果表明

LED照明灯的寿命服从三参数Weibull分布

其加速模型符合Arrhenius方程

精确预测的LED照明灯寿命为工程技术人员关于产品的可靠性设计提供技术参考.

Abstract

In order to accurately obtain the life information of LED lamps in a short time

three-parameter Weibull function was applied to describing the life distribution based on three groups of constant-stress accelerated life test data. The processing and analysis on test data was achieved by Bilinear Regression Method (BRM)

and the self-developed life prediction software was employed to precisely calculate the life of LED lamps under normal working stress. The numerical results show that the LED lamps life submits to three-parameter Weibull distribution

and the accelerated model meets the Arrhenius equation. The LED lamps' life predicted precisely can provide technical references for engineering technicians with regard to the product's reliability design.

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references

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Related Author

ZHANG Jian-ping

WU Liang

CHENG Guo-liang

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Related Institution

School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power

Shanghai Tianyi Electric CO., LTD

Key Laboratory of Advanced Display and System Applications of EMC, Shanghai University

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