|
| Indices and sets |
| Index of customer. |
| Set of customers. |
| Index of vehicle. |
| Set of vehicles. |
| Index of scenario. |
| Set of scenarios. |
| Index of route. |
| Set of routes from customer to customer . |
| Index of type of hazardous materials. |
| Set of type of hazardous materials. |
|
| Parameters |
| Equals 1 if vehicle can visit customer . |
| Travel time from customer to customer for vehicle on route . |
| Service time at customer . |
| Transportation demand of hazardous materials at customer . |
| Capacity of vehicle . |
| Latest working time of vehicle . |
| Fixed cost of vehicle . |
| Risk probability from customer to customer on route . |
| Coefficient of transportation cost. |
| Coefficient of risk cost. |
| Coefficient of work overtime cost. |
|
| Decision variables |
| Binary, equals 1 if vehicle serves . |
| Binary, equals 1 if vehicle travels from customer to customer by route on scenario . |
| Binary, equals 1 if vehicle serves customer i earlier than vehicle . |
| Binary, equals 1 if vehicle is started. |
| Binary, equals 1 if vehicle transports hazardous material . |
| Float, time point when vehicle arrives at customer on scenario . |
| Float, time point when vehicle starts serving customer on scenario . |
| Integer, quantity of hazardous material transported by vehicle at customer on scenario . |
|
