Capacity Management (UIC code 406)
Capacity Management (UIC) enables you to calculate capacities in accordance with UIC code. For a given timetable, a line section is chosen for which a compression of train paths should be performed.
The compression of the train paths within a line section is undertaken for a specified time period. Both the line section and the time period are user definable. RailSys automatically compresses the utilised train paths with consideration of the minimum headways. The result is the infrastructure occupation time within the specified time period. Additional buffer time can be added for specifying a requested operational quality. The occupation time and the buffer time add up to the over all time requirement within the specified period. The quotient of the over all time requirement and the investigation period is the relative capacity consumption. The capacity consumption represents the utilisation level of the infrastructure and provides an indication of capacity constraints.
The remaining useable capacity of the line section can be identified by adding additional paths until the specified time period is saturated with train paths and buffer times.
Capacity management for long time planning: The capacity calculation in accordance with the UIC leaflet 406 is based on a timetable. However, most of the time the infrastructure providers can only estimate the future traffic volume based on vague prognostic information. This information might be insufficient for the creation of a timetable.
The NEMO network evaluation model, which is linked with RailSys, is designed for the assessment of the future network capacity without specific timetables. The NEMO modelling is based on the network infrastructure information and the source/destination matrix for train services. A detailed description of NEMO can be seen here.
The compression of the train paths within a line section is undertaken for a specified time period. Both the line section and the time period are user definable. RailSys automatically compresses the utilised train paths with consideration of the minimum headways. The result is the infrastructure occupation time within the specified time period. Additional buffer time can be added for specifying a requested operational quality. The occupation time and the buffer time add up to the over all time requirement within the specified period. The quotient of the over all time requirement and the investigation period is the relative capacity consumption. The capacity consumption represents the utilisation level of the infrastructure and provides an indication of capacity constraints.
The remaining useable capacity of the line section can be identified by adding additional paths until the specified time period is saturated with train paths and buffer times.
Capacity management for long time planning: The capacity calculation in accordance with the UIC leaflet 406 is based on a timetable. However, most of the time the infrastructure providers can only estimate the future traffic volume based on vague prognostic information. This information might be insufficient for the creation of a timetable.
The NEMO network evaluation model, which is linked with RailSys, is designed for the assessment of the future network capacity without specific timetables. The NEMO modelling is based on the network infrastructure information and the source/destination matrix for train services. A detailed description of NEMO can be seen here.
