NDLI: Reliable analysis of monitoring power and power interruption controller in underground refuge system

Content Provider	IEEE Xplore Digital Library
Author	Ma Fengying
Copyright Year	2012
Description	Author affiliation: Institute of Electrical Engineering and Automation, Shandong Polytechnic University, Shandong County, Jinan 250353, China (Ma Fengying)
Abstract	The government enforces the refuge system in coal mine since 2013. The underground refuge monitoring is crucial for coalmine safety. In order to assess the reliability of the underground monitoring power and power interruption controller in the coalmine refuge system, the accelerated life tests under constant stress were presented based on the exponential distribution. Through a comparative analysis of lots of factors, the temperature was chosen as the constant accelerated stress parameter. With regard to the data statistical analysis, the type-I censoring sample method was put forward. The mathematical model of the coal mine monitoring power and power interruption controller were established and the average life expectancy curve was obtained under different temperatures through the analysis of experimental data. The results demonstrated that the mathematical model and the average life expectancy curve were fit for the actual very well. It is concluded that the reliability study of the monitoring power provides an important foundation for the coalmine refuge monitoring system.
Starting Page	5406
Ending Page	5411
File Size	129394
Page Count	6
File Format	PDF
ISBN	9781467325813
ISSN	21612927
e-ISBN	9789881563811
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Chinese Assoc of Automati
Subject Keyword	Power reliability Interrupters underground refuge monitoring Life estimation Accelerated life test Type-I censoring Power system reliability Reliability Acceleration Monitoring Stress Coalmine safety
Content Type	Text
Resource Type	Article

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