Reliability Qualification Test of Train Monitoring Devices

WANG Peng; HU Pinggui; LIU Guotao; YU Feng

doi:10.13890/j.issn.1000-128x.2017.04.004

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Reliability Qualification Test of Train Monitoring Devices

更新时间：2021-12-13

- Reliability Qualification Test of Train Monitoring Devices
- Electric Drive for Locomotives Issue 4, Pages: 15(2017)
- 作者机构：
  
  1. 株洲中车时代电气股份有限公司检测试验中心,湖南,株洲,412001
  2. 动车组和机车牵引与控制国家重点实验室,湖南,株洲,412001
  3. 湖南铁道职业技术学院,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2017.04.004
  CLC：
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WANG Peng, HU Pinggui, LIU Guotao, et al. Reliability Qualification Test of Train Monitoring Devices. [J]. Electric Drive for Locomotives (4):15(2017)
DOI：

WANG Peng, HU Pinggui, LIU Guotao, et al. Reliability Qualification Test of Train Monitoring Devices. [J]. Electric Drive for Locomotives (4):15(2017) DOI： 10.13890/j.issn.1000-128x.2017.04.004.

摘要

目前铁路行业尚未制定可靠性鉴定试验标准，为验证LKJ 主机的MTBF 是否达到规定要求，通过分析主机所历经的主要环境，设计了由温度、湿度、振动、冲击、变化电压、浪涌和电快速脉冲群等6 种应力组成的综合环境条件，并针对具体试验情况，确定采用定时截尾试验统计方案。通过试验，求得其平均无故障间隔时间（MTBF：mean time between failures）点估计值为8 558 h，60% 置信度区间估计值为（2 858 h，38 351 h）。

Abstract

Currently rail transit has no reliability qualification test standards yet. To verify whether the MTBF of LKJ meet the requirements, with the main working environment analysis of LKJ, comprehensive environmental conditions of six kinds of stress which consisted of temperature, humidity, vibration, shock, changes in voltage, surges and electrical fast burst were designed, and against the specific test conditions, the censored time trial statistics program was determined using. By experiment, MTBF point estimation value was obtained by 8 558 h, and 60% confidence interval estimate of the value was (2 858 h, 38 351 h).

关键词

LKJMTBF可靠性鉴定试验综合环境条件

Keywords

LKJmean time between failuresreliability qualification testcomprehensive environmental conditions

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