本文针对工业中广泛存在的混杂系统,结合进化算法,研究了应用Petri 网的分层递阶建模方法,实现一类混杂系统的建模与优化。 关键词:混杂系统 Petri 网 建模 进化算法 优化 Abstract:According to the hybrid system existed abroad in industry , Evolutionary Algorithms is combined with the the method of PN modeling by delaminating.Modeling and optimization of hybrid system realized in this paper. Key words: hybrid system Petri net modeling Evolutionary Algorithms optimization