Research Article
An Improved Model of Variable Fuzzy Sets with Normal Membership Function for Crane Safety Evaluation
Table 8
Assessment results of port crane and comparison.
| Weighting method | Evaluation method | Ranking feature value | Mean ranking feature value | level | , | , | , | , |
| Subjective weigh (AHP) | Ref. [31] | | | | | | III | IVFS | 3.39 | 3.54 | 3.80 | 3.97 | 3.68 | IV | SPA-VFS | 3.29 | 3.52 | 3.64 | 4.00 | 3.62 | IV | VFS | 3.26 | 3.46 | 3.68 | 3.89 | 3.57 | IV |
| Objective weigh (entropy) | Ref. [31] | | | | | | II | IVFS | 2.66 | 2.73 | 2.44 | 2.48 | 2.58 | III | SPA-VFS | 2.66 | 2.77 | 2.46 | 3.13 | 2.75 | III | VFS | 2.63 | 2.70 | 2.51 | 2.44 | 2.57 | III |
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