With the continuous development of rail transit technology,Fuxing high-speed EMU trains have been widely deployed and have become a crucial mode of transportation for Chinese residents.The electronic products within the EMU control units play a pivotal role as key components,ensuring the safe operation of trains.To further enhance the maintenance efficiency,product quality,and reliability of these electronic products,this article focuses on certain electronic products within EMU control units.Through an analysis of the operating environment and life index,this article identifiies the primary stressors affecting the product.Using these stressors as test conditions,this article employs the Weibull distribution model coupled with the accelerated test method to carry out the design and research of reliable life tests.Furthermore,it discusses a method for the reliable life evaluation of electronic products within EMU control units.The fiindings aim to provide valuable data references and a model for enhancing product reliability and maintenance strategies.
EMUreliabilityWeibull distributionaccelerated life testEMU control unit