Research Article
A MultiObjective Optimization Approach for Integrated Timetabling and Vehicle Scheduling with Uncertainty
Table 2
Subscripts and parameters of the problem formulation.
| | Notations | Definition |
| | S | Number of stops | | N | Number of trips | | F | Number of time periods | | ts,n | Arrival time of the trip n on stop s | | fsb (t) | Passenger boarding flow distribution function | | fso (t) | Passenger alighting flow distribution function | | Qsb | Expectation of total passenger boarding flow | | Qso | Expectation of total passenger alighting flow | | Cveh | Vehicle available cost | | Cij | Link cost of arc (i, j) | | Pij | Penalty of the infeasible time of arc (i, j) | | Tf | Trip time in period f | | hfmin | Lower bound of the headway at period f | | hfmax | Upper bound of the headway at period f | | Cmax | Maximum capacity of the bus vehicles |
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