1Qiang Su,Lei Liu,Daniel E,Whitney. Systematic Study of the Prediction Model for Operator-Induced Assembly Defects Based on Assembly Complexity Factors[J].IEEE Transactions on Systems Man and Cybernetics Part A:Systems &Humans,2010,(01).
2D.Ben-Arieh. Analysis of Assembly Operations Difficulty:A Fuzzy Expert System Approach[J].Intell Manuf,1993,(12).