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Notation | Definition |
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| Road network graph |
| Distribution center that EVs depart from |
| Distribution center that EVs return to |
| Set of customer nodes |
| Set of charging stations |
| Set of locations, i.e., |
| Set of arcs connecting any two locations, |
| Set of paths connecting arc |
| A path in the set |
| Number of vehicles |
| Battery capacity of a vehicle |
| Maximum load of a vehicle |
| Maximum volume of a vehicle |
| Time window of customer node |
| The time when the vehicle arrives at |
| Service time of customer node |
| A big enough travel time |
| The demand weight of customer node |
| The demand volume of customer node |
| The remaining battery electricity at node |
| The remaining weight of cargoes at node |
| The weight of cargoes when the vehicle departs from the distribution center |
| The remaining volume of cargoes at node |
| The volume of cargoes when the vehicle departs from the distribution center |
| Number of time periods with constant speed |
| The charging rate |
| Distance of path |
| Travel speed in time period r on path |
| Travel time on path in time period r |
| The total travel time from node on path |
| Energy consumption from node on path in time period r |
| Energy consumption from node on path |
| Energy consumption on the arc in time period r |
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