Reliability Qualification Test of Train Monitoring Devices

Reliability Qualification Test of Train Monitoring Devices

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Currently rail transit has no reliability qualification test standards yet.To verify whether the MTBF of LKJ meet the requirements, with majicontrast red 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 ethical nutrients mega magnesium powder citrus 450g by 8 558 h, and 60% confidence interval estimate of the value was (2 858 h, 38 351 h).