Research on Multilevel Classification of High-Speed Railway Signal Equipment Fault Based on Text Mining

Table 1

Sample data of high-speed railway signal turnout fault.

Serial number	Communication signals	Cause analysis	Fault location	Cause of failure
1	Signal	Troubleshooting for J3 hidden danger of No. 6 turnout	Paste checker	Member adjustment
2	Signal	276#-1 switch safety contact is an open circuit, and it is recovered after adjustment	Switch machine	Other
3	Signal	13# switch J3 is in a reverse position, and ice is formed at the hook head and locking lever head (switch type: S700 K)	External locking and installation device	Natural disaster
4	Signal	147#-X1 reverse position checker is at fault, and it will be recovered after the following key points are replaced	Closely fitting checker	Contact group
5	Signal	The No.1 (1/42, S700 K) switch point 1 slide bed plate is jammed by ice	External locking and installation device	Natural disaster