Evaluation of Processing Technology Reliability Based on Copula-SVM

The inherent reliability of product was formed in design and manufacturing process, and the inherent reliability prediction model of the product is foundation of the manufacturing process control and process improvement. The method of processing technology reliability evaluation based on Copula-SVM is presented. Firstly, the principle of the inherent reliability during manufacturing process was analyzed. Secondly, the dependency structure of the process characteristic is given by means of the copula function. Finally, the inherent reliability prediction method based on support vector machine is presented, and the feasibility and practicability of the method were indicated by an industry application.