Optimal Inspection Scheduling Model for Monitoring Railway Track Grids
Table 3
Rate constraints of different inspection methods.
No.
Workgroups
j
km per maintenance window
Number of track grids per maintenance window
km per maintenance window
Number of track grids per maintenance window
1
Workgroup 1
Track geometry trolley inspection
1
6
30
10.6
53
2
Workgroup 2
rail detection trolley inspection
2
6
30
14
70
3
Workgroup 3
Manual inspection
3
5.8
29
10.6
53
4
Workgroup 4
Track geometry car inspection
4
The track geometry car GJ-5 lacks a power source and needs to be hung at the end of the passenger train, to detect track irregularities. Its inspection rate depends on the speed of the passenger train.
