Optimizing the Long-Term Operating Plan of Railway Marshalling Station for Capacity Utilization Analysis
Table 1
Events’ definition and occurrence prerequisite.
Number
Event name
Definition
Occurrence prerequisite
1
Inbound train entering
Inbound trains enter arrival yard
① Inbound train arrives at station ② Arrival yard has free tracks
2
Disassembling start
Disassembling engine pushes inbound train up the hump for disassembling
① Disassembling engine is free. ② There exist trains in the arrival yard with technical inspections completed ③ Marshalling yard has enough tracks to store disassembled railcars
3
Disassembling end
All railcars of current disassembled train have run on assigned marshalling tracks
① Disassembling train is completed
4
Assembling start
Assembling engine starts pulling railcars from marshalling track to assemble outbound train
① Assembling engine is free ② Marshalling yard has enough railcars which can be assembled into the same outbound train ③ There exist free tracks in the departure yard
5
Assembling end
Assembling engine stops pulling railcars and an outbound train is formed
① Assembling train is completed
6
Outbound train departure
Outbound train departs from departure yard
① Departure yard has outbound trains having technical inspections finished ② Minimum interdeparture interval is satisfied