QFD Based Benchmarking Logic Using TOPSIS and Suitability Index

Table 1

Initial performance data for 10 curtain wall products.

Product	value; (glazing)	value; (total)	SHGC; (summer)	SHGC; (winter)	VT	CR	AT	Aesthetic	WS	WT
	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Ordinal; scale ()	Ordinal; scale ()	Binary; scale
Max	0.00	0.00	0.00	1.00	100	80	0.00	5	3	1
Min	1.00	1.00	1.00	0.00	0	25	0.06	1	1	0
1	0.18	0.20	0.31	0.31	30	36	0.02	3	3	1
2	0.24	0.27	0.42	0.42	40	34	0.03	4	3	1
3	0.30	0.34	0.32	0.32	50	45	0.04	5	1	1
4	0.22	0.25	0.35	0.35	45	50	0.05	5	3	1
5	0.15	0.19	0.36	0.36	60	62	0.03	3	2	1
6	0.25	0.28	0.42	0.42	50	40	0.04	4	2	1
7	0.16	0.20	0.51	0.51	40	50	0.01	2	3	1
8	0.26	0.29	0.40	0.40	54	68	0.02	3	2	1
9	0.14	0.17	0.44	0.44	59	53	0.03	2	1	1
10	0.20	0.23	0.47	0.47	43	35	0.02	4	3	1

Product ID (): current solution.