Fuzzy control is a kind of computer digital control technique, which is based on the fuzzy sets, fuzzy language variable and fuzzy logic reasoning.

Blurring control is a kind of computer digital controlling technology on the basis of blurring set theory, blurring language variable and blurring logical inference.

Rapid prototyping is a technology for product development, which integrates different advanced technologies including CAD, CAM, CNC, accurate servo system and new materials, etc.