Table 11 Number of tugboats with different horsepower capabilities in various port areas of Guangzhou.
From: A multi-objective fuzzy programming model for port tugboat scheduling based on the Stackelberg game
Port area | Horsepower type | Â | Â | Â | |
---|---|---|---|---|---|
 | 1600HP | 3000HP | 4000HP | 5000HP | Above 6000HP |
Huangpu | 1 | 4 | 0 | 0 | 0 |
Xinsha | 0 | 3 | 1 | 2 | 0 |
Xiaohu | 0 | 0 | 3 | 1 | 0 |
Nansha | 0 | 0 | 5 | 2 | 3 |
Total | 1 | 7 | 9 | 5 | 3 |