|
| Indices |
|
| Vehicular node (demand point, depot, and airport) index |
| AFV index |
| 0 | Airport index |
|
| Sets |
| Set of demand points |
| Set of AFVs |
| Set of depots |
|
| Parameters |
| The boarding time per passenger |
| The average weight of each person |
| Pick-up time window of demand point ; |
| The maximum expected ride time of the demand point ; |
| Number of persons to be picked up at demand point ; |
| Pick-up time of the demand point , i.e., ; |
| Maximum capacity of the AFV |
| Biggest continue voyage course of each AFV ; |
| Minimum total travel time of the AFV route |
| Travel distance between the vehicular node and ; |
| The piecewise function of travel speed between the vehicular node and , related to the time of the AFV visiting demand point ; |
| The time of the AFV arriving the airport; |
| The weight of the AFV ; |
| Fixed use cost of the AFV ; |
| Penalty fee for early arrival |
| Penalty fee for late arrival |
| Unit cost of the fuel |
| Unit CO2 emission cost |
| CO2 emission factor |
| A very large fixed value |
|
| Decision variables |
| Whether the vehicular node precedes vehicular node on the AFV or not; |
| Whether the vehicular node is visited by the AFV or not; |
| The time of the AFV arriving at demand point ; |
| Number of passengers at demand point assigned to the AFV ; |
| An auxiliary (real) variable for subtour elimination constraint in the AFV ; |
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