Research Article
Optimization of Cold Chain Distribution Route with Mixed Time Window considering Customer Priority
| Notation | Definition |
| | Customer assembly. | | Refrigerated truck assembly. | | Fuel cost consumed by refrigerated vehicles during distribution | | Fixed cost of refrigerated truck c | | Customer i cold chain product demand | | Unit price of cold chain products transported by refrigerated trucks | | Arrival time of refrigerated truck c to customer i | | Departure time of refrigerated truck c from the distribution center | | Refrigerated truck service hours for customer i | | Load of refrigerated truck when traveling from customer i to customer j | | Maximum inventory of cold chain distribution center | | Maximum load of refrigerated vehicles | | Amount of supplies that are out-of-stock in the distribution center in the out-of-stock scenario | | Penalty factor for refrigerated vehicles that deliver earlier than the upper limit of the customer’s agreed time window | | Penalty coefficient for refrigerated trucks that deliver later than the lower limit of the customer’s agreed time window | | The needs of each customer are sorted by customer priority from high to low | | Total distance traveled by refrigerated trucks | | Total number of vehicles available |
|
|