Institute of Design for Innovation,Hebei University of Technology,Tianjin 300130, China;
Institute of Design for Innovation,Hebei University of Technology,Tianjin 300130, China;
Institute of Design for Innovation,Hebei University of Technology,Tianjin 300130, China;
Institute of Design for Innovation,Hebei University of Technology,Tianjin 300130, China;
Idea generation; Fuzzy front end (FFE); Systematic method; TRIZ;