CR400BF系列动车组速度传感器故障原因分析

Cause Analysis and Countermeasures for Speed Sensor Failure of CR400BF Series EMU

为解决CR400BF系列动车组速度传感器故障问题,结合运行故障案例,通过现场调研、理论分析,制定多种研究方案,经过试验验证和现场运用考核,提出有效改善反馈信号的措施。

In combination with the case of CR400BF series EMU running fault on the way,in order to solve the problem of speed sensor fault of EMU,a variety of research schemes have been developed from the field investigation and theoretical analysis,and finally,measures and suggestions for effectively improving the feedback signal have been put forward through test verification and field application assessment.