Research Article
Green Vehicle Routing and Scheduling Optimization of Ship Steel Distribution Center Based on Improved Intelligent Water Drop Algorithms
Table 2
Initialization parameters of IIWD.
| Parameters | Meanings | Value |
| Q | Vehicle rated load | 49t | | Average vehicle speed | 40 km/t | | Fixed-use costs of vehicles | 200/one | | Unit transportation cost per vehicle | 10/km | | Number of drops | 20 | | Droplet velocity updating parameters | 1 | | Droplet velocity updating parameters | 0.01 | | Droplet velocity updating parameters | 1 | | Fuel consumption per unit distance for no-load vehicles | 2 | | Renewal parameters of soil and water droplets | 1000 | | Renewal parameters of soil and water droplets | 0.01 | | Renewal parameters of soil and water droplets | 1 | Initsoil | Initial path amount of soil | 1000 | Initvel | Initial droplet velocity | 100 | | Local soil renewal parameters | 0.9 | | Global soil renewal parameters | 0.8 | Iter | Maximum number of iterations | 100 | | Additional fuel consumption per unit distance for vehicles carrying goods per unit weight | 0.8 |
|
|