Integrated Process for Developing and Selecting More or Less Better Products Based on QFD and MCGP

Table 4

Overall scores of product design module candidates.

Technical requirements of product design (TPs)	Weight	Importance of the product design module								CI	CI/RI
		P1	P2			P3		P4
1. Modular design	17.70	0.303	0.511			0.114		0.072	0.084			0.093
2. Material load	1.83	0.478	0.187			0.276		0.059	0.043			0.043
3. Tracked design	3.21	0.070	0.580			0.089		0.262	0.104			0.104
4. Wheel design	16.07	0.268	0.543			0.052		0.136	0.063			0.063
5. Fold design	1.83	0.319	0.532			0.092		0.057	0.075			0.075
6. Dual operation	7.25	0.514	0.090			0.331		0.065	0.050			0.050
7. Drive motor	33.21	0.449	0.094			0.371		0.087	0.120			0.120
8. Battery availability	18.89	0.534	0.206			0.150		0.082	0.051			0.051
Overall score (OC)		40.07	28.62			21.37		9.41
Normalized OC		0.403	0.288			0.215		0.095