Semantic Approach for Evaluation of Energy Storage Technologies under Fuzzy Environment

Table 1

Linguistic variables for main criteria and subcriteria.

Saaty scale	Definition	Fuzzy triangular number
1	Equally important	(1, 1, 1)
3	Weakly important	(2, 3, 4)
5	Fairly important	(4, 5, 6)
7	Strongly important	(6, 7, 8)
9	Absolutely important	(9, 9, 9)
2	The intermittent values between two adjacent scales	(1, 2, 3)
4		(3, 4, 5)
6		(5, 6, 7)
8		(7, 8, 9)