摘要
针对HX_D2型电力机车主处理单元MPU故障时备用MPU无法正常工作,分析了故障原因并提出改进措施,同时优化冗余切换逻辑,提高机车运行可靠性。
Aiming at the standby MPU( Main Processing Unit) failing to work normally when the MPU of HX_D2 electric locomotive breaks down, the causes of the failure are analyzed and the improvement measures are put forward. Also the redundancy switching logic is optimized, which improve the reliability of locomotive operation.
作者
李佳
LI Jia(CRRC Datong Electric Locomotive Co.,Ltd.,Datong 037038,China)
出处
《铁道机车与动车》
2019年第2期17-19,38,5-6,共5页
Railway Locomotive and Motor Car
关键词
电力机车
主处理单元
冗余
优化
electric locomotive
Main Processing Unit
redundancy
optimization