Design and Research of Smart Neck Helmets Based on the KANO-QFD Model and TRIZ Theory

Table 4

User demand weight sorting table.

Numbering	Secondary heading	Weights	Demand type
A3	Intelligent recognition of obstacles	0.0662	Functional requirements
A4	Improve impact resistance	0.0656	Functional requirements
A2	Combined with airbags	0.0637	Functional requirements
A1	With neck protection function	0.0626	Functional requirements
D5	Reduce wind noise	0.0624	Functional requirements
D3	Combine with the mobile APP to view the driving recorder in real time	0.0619	Functional requirements
D2	In rainy days, automatically clean the rainwater on the lens	0.0617	Functional requirements
D1	Multifunctional integration of Bluetooth, turn signal, etc.	0.0610	Functional requirements
D4	Voice navigation	0.0599	Basic needs
C1	Modeling satisfaction after wearing a helmet	0.0592	Basic needs
B4	Easy to carry	0.0575	Basic needs
C5	Tough	0.0566	Basic needs
C4	Mellow	0.0543	Basic needs
B3	Intelligently adapt to different head circumferences	0.0530	Basic needs
B1	The cushion material is more comfortable	0.0521	Exciting demand
C3	Sense of science and technology	0.0514	Exciting demand
C2	Simple atmosphere	0.0503	Exciting demand
B2	Light in mass	0.0499	Exciting demand