With the matching optimization of automobile powertrain expert system, it creates static model and dynamic model and then changes into code by using of ULM.

• 文章以汽车动力传动优化匹配专家系统为背景,探讨了利用统一建模语言对该系统进行需求分析,建立了系统的静态模型和动态模型,实现了对象模型转化为代码。