Parameters of the tour planning procedure
Element |
Description |
Demand period section |
From / To You specify the demand period via the input fields. The period begins with the walk link to the pickup node. This walk link is already part of the trip request. The start time of the walk link may lie before the desired departure time of the trip request. |
Output section |
Target PrT path set: In the drop-down list, click the target PrT path set to which you want to save the output values. Click the Generate button to insert new PrT path sets. Output attributes for PrT path volumes (optional) Selection of attributes in which the PrT path volumes are stored. Links / Turns / Main turns Optional link/turn/main turn attribute to which the network volume is saved that is generated by ride sharing vehicles. Each of these vehicles generates a volume of 1. |
Matrices section |
Calculate PuT skim matrices Select this option to have PuT skim matrices calculated. Calculate PrT demand matrix (veh) Select this option to generate a demand matrix for vehicles based on tour planning. Click the button to specify a target matrix for the demand matrix. |
Element |
Description |
Fleet |
Number of vehicles
Specify the number of vehicles available. Number of seats per vehicle Specify the number of seats per vehicle. |
Vehicle sharing section |
Multiple trip requests may share a vehicle
Maximum detour factor Specify a factor for the maximum additional time accepted by passengers to serve more than one trip request. Maximum detour time Specify the maximum additional time accepted by passengers that results from servicing more than one trip request. Detour time accepted at all times Specify the lowest limit of additional time that is always accepted when operating a ride sharing system (Fundamentals: Demand for ride sharing). |
Pick-up and drop-off nodes section |
Permit only active nodes as PUDO points Select this option to assign only active nodes as pickup and dropoff points. Maximum walk time Maximum walk time from a node to or from a pick-up/drop-off point. Maximum number of pick-up or drop-off points per node Specify the maximum number of pickup or drop-off points considered per pick-up or drop-off node. Preset pick-up node attribute Optionally, select an attribute that specifies the pick-up node. Preset drop-off node attribute Optionally, select an attribute that specifies the drop-off node. |
Time for boarding and alighting section |
Per trip request Specify the service time per trip request. It occurs per trip request due to the boarding and alighting at a stop. If several trip requests are served at one stop, e. g. one passenger boarding and two alighting, the service time is included in the calculation more than once. Per passenger Specify the time in seconds that is used per passenger in the calculation. |
Element |
Description |
Parameters section |
Minimize required vehicles You can then use the slider to minimize number of vehicles. If you move the slider in the direction of More served trip requests, the number of vehicles required usually increases. If you move the slider in the direction of Fewer vehicles, the number of trip requests is usually smaller. Limit vehicle search for runtime optimization If the option is selected, the search for vehicles will give preference to those located near the pick-up node. This improves the runtime of the procedure, but at the expense of the quality of the solution. Tour optimization interval If the option is selected, you can enter a value that determines from which number of executed trip requests a new optimization for the future, already known trip requests takes place. Note You cannot use this option in combination with the option for electromobility Node is charging area on the Locations tab. Calculation mode for tour planning From the drop-down list, select the desired calculation method:
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Cost function for calculating the pick-up and drop-off points |
You can use the coefficients of the cost function to weight the efficiency of the tours against the walk times of the passengers (Fundamentals: Tour planning procedure). A greater value in run and wait time leads to more efficient tours. |
Link run times section |
PrT demand segment of vehicle fleet You can use the drop-down list to select the demand segment to be used for calculating the link times. |
Locations tab
Element |
Description |
Section Holding areas |
Node is holding area Selection of a node attribute that determines whether a node is a holding area. Use holding areas for relocation If the option is selected, holding areas can be used to relocate vehicles. Time of inactivity Input field for the period of inactivity that may elapse before vehicles have to return to the holding area. Use holding areas for the start and end of a tour
You can then also select an attribute that contains a Holding area weight.
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Section Charging areas |
Node is charging area Selection of a node attribute that determines whether a node is a charging area. Maximum range Input field for the maximum range of the e-vehicle Charging duration to 80% Input field for time required to reach 80% of the charging capacity. Charging duration from 80% to 100% Input field for the additional time required to reach 100% charging capacity. |
Skim matrices tab
Note: To calculate skim matrices, on the Basis tab, select Calculate PuT skim matrices. |
You only have to set parameters for skim matrix calculation if you want to calculate tour planning and skim matrices simultaneously (Settings for PuT skim matrix calculation).