Research Article
A Multicriteria Approach for the Optimal Location of Gasoline Stations Being Transformed as Self-Service in Taiwan
Table 6
Satisfaction membership function of the ten goals.
| | Subcriterion/goal | Lowest | | | Highest |
| | (SC4) Average fuel consumption (dL) | 20000 | 28000 | 35000 | 41000 up | | Satisfaction level | 0.2 | 0.5 | 0.8 | 1 |
| | (SC6) Average swipe rate (%) | 6 | 10 | 12 | 14 up | | Satisfaction level | 0.1 | 0.6 | 0.8 | 1 |
| | (SC7) Neighbor’s acceptance (%) | 20 | 40 | 60 | 80 up | | Satisfaction level | 0.1 | 0.4 | 0.7 | 1 |
| | (SC1) Average number of cars | 400 | 900 | 1500 | 1800 up | | Satisfaction level | 0.2 | 0.6 | 0.8 | 1 |
| | (SC3) Waiting time (min) | 6 | 5 | 4 | 2 below | | Satisfaction level | 0.2 | 0.5 | 0.8 | 1 |
| | (SC2) Average number of motorcycles | 1000 | 2000 | 3000 | 4000 up | | Satisfaction level | 0.2 | 0.5 | 0.8 | 1 |
| | (SC5) Number of competitors | 13 | 10 | 5 | 2 below | | Satisfaction level | 0.5 | 0.6 | 0.7 | 1 |
| | (SC8) Number of gas pump islands | 2 | 4 | 5 | 6 up | | Satisfaction level | 0.2 | 0.6 | 0.8 | 1 |
| | (SC9) Number of gas pumps | 3 | 4 | 5 | 6 up | | Satisfaction level | 0.6 | 0.8 | 0.9 | 1 |
| | (SC10) Floor area size (m2) | 1000 | 1300 | 1500 | 1600 up | | Satisfaction level | 0.5 | 0.7 | 0.9 | 1 |
|
|
