A Systematic Evaluation Model for Solar Cell Technologies

Table 1

𝛼-Cuts of fuzzy numbers.

𝑎	(𝑎)^𝐿𝛼	(𝑎)^𝑈𝛼
𝑎𝑉𝐻=(7.5,8.5,9,9)L-R	𝑎𝑉𝐻^𝐿𝛼=7.5+𝛼	𝑎𝑉𝐻^𝑈𝛼=9
𝑎𝐻=(6.5,7.5,7.5,8.5)L-R	𝑎𝐻^𝐿𝛼=6.5+𝛼	𝑎𝐻^𝑈𝛼=8.5−𝛼
𝑎𝑀𝐻=(5,5.75,6.75,7.5)L-R	𝑎𝑀𝐻^𝐿𝛼=5+0.75𝛼	𝑎𝑀𝐻^𝑈𝛼=7.5−0.75𝛼
𝑎𝑀=(4,5,5,6)L-R	𝑎𝑀^𝐿𝛼=4+𝛼	𝑎𝑀^𝑈𝛼=6−𝛼
𝑎𝑀𝐿=(2.5,3.25,4.25,5)L-R	𝑎𝑀𝐿^𝐿𝛼=2.5+0.75𝛼	𝑎𝑀𝐿^𝑈𝛼=5−0.75𝛼
𝑎𝐿=(1.5,2.5,2.5,3.5)L-R	𝑎𝐿^𝐿𝛼=1.5+𝛼	𝑎𝐿^𝑈𝛼=3.5−𝛼
𝑎𝑉𝐿=(1,1,1.5,2.5)L-R	𝑎𝑉𝐿^𝐿𝛼=1	𝑎𝑉𝐿^𝑈𝛼=2.5−𝛼