Track Circuits Fault Diagnosis Method Based on the UNet-LSTM Network (ULN)

Table 2

Details of experimental data.

Track circuit fault type	Label	Train data size	Test data size	Sample feature size
Healthy state	0	2500	1500	600
Poor tuning unit	1	2500	1500	600
Broken rail	2	2500	1500	600
Poor mechanical insulation joint	3	2500	1500	600
Poor attenuator	4	2500	1500	600
Fault of the first capacitor at the sending end	5	2500	1500	600
Fault of the third capacitor at the receiving end	6	2500	1500	600