An Improved Model of Variable Fuzzy Sets with Normal Membership Function for Crane Safety Evaluation

Table 3

Results of case study and comparison.

Samples	Proposed model	Basic quality; grading method [28]	Variable fuzzy; set method [28]	Triangular fuzzy; number method [29]	Set pair-extenics; method [30]
1	II	II	II	II	II
2	II	II	II	II	II
3	II	II	II	II	II
4	I	I	I	I	I
5	II	II	II	II	II