关键词: 轻量化设计, 自适应动态Kriging模型, 复相关系数, 理想特征点

Abstract: Lightweight design of mechanical parts plays an important role in improving equipment performance and reducing cost.To improve convergence,optimization efficiency for the parts lightweight design of traditional Kriging method,an adaptively dynamic Kriging model was proposed.The multiple correlation coefficient was utilized to achieve the goal of overall update of Kriging model,and the minimums of each objective from the Pareto solutions were utilized to search for the optimal characteristic point.Then the local update of Kriging model was achieved by the feasible solutions near the optimal characteristic point.Numerical test cases and a platen of FT(N)-2800 injection machine were given to demonstrate the effectiveness of the proposed method.

Key words: lightweight design, adaptively dynamic Kriging model, multiple correlation coefficient, optimal characteristic point