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Reliability Analysis of Power and Communication Network in coal Mine Monitoring System

Reliability Analysis of Power and Communication Network in C...

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第三十届中国控制会议

作者： MA Fengying,ZHANG Xinrong College of Electronic Information and Control Engineering,Shandong Polytechnic University,Jinan 250100,Shandong province, P.R.China

＜正＞Due to the special security requirements and abominable environment,researching in the high reliability of the communication network and power in coal mine monitoring system is become special *** reliability of the communication network and power in the coal mine monitoring system has been *** assess the reliability of the underground power and communication network,the constant stress accelerated life tests was presented based on the exponential *** voltages and temperature were chosen as the constant accelerated stress *** the analysis of experimental data,the average life expectancy curves were obtained under different temperatures and *** overall consideration of the communication network topology structure and network capacity the improved EED-SDP method was put forward in coal mine *** is concluded that reliability analysis of power and communication network in coal mine monitoring system is remarkably important to improve the reliability of coal mine monitoring system.

关键词： coal mining safety coal mining monitoring system Power reliability Accelerated life test

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Underground Monitoring Power Reliable Life Estimating Based on Accelerated Life Testing

Underground Monitoring Power Reliable Life Estimating Based ...

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第二十九届中国控制会议

作者： MA Feng-Ying1,2,ZHAO Xiu-Xia1 1.College of Electronic Information and Control Engineering,Shandong Institute of Light Industry,Jinan 250100,P.R.China 2.State Key Laboratory of coal Resources and Safe mining,China University of mining and Technology,Beijing 100083,P.R.China

In order to assess the reliable life of the DC power supply of the coal mining monitoring system,the accelerated life tests under constant stress were presented based on the exponential *** a comparative analysis of lots of factors,the temperature was chosen as the constant accelerated stress *** regard to the data statistical analysis,the type-I censoring sample method was put *** mathematical model of the coal mining monitoring power supply was established and the average life expectancy curve was obtained under different temperatures through the analysis of experimental *** results demonstrated that the mathematical model and the average life expectancy curve were fit for the actual very *** is concluded that the reliability study of the coal mining DC power provides an important foundation for the coal mining monitoring system.

关键词： coal mining safety coal mining Monitoring System Power Reliable Life Accelerated Life Test Type-I Censoring

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