One part is the external hardware and the other data processing software. Through data sampling, analysis and calculation, the fault diagnosis of ICE can be achieved.

• 该系统分为外部硬件设备和后台数据处理软件两大组成部分,通过对内燃机曲轴角振动信号的采集、处理、计算和分析,实现对内燃机的轴系扭振分析和故障诊断。