应用面向对象思想和可视化编程工具VisualC + +语言开发了图形化的Petri网建模工具GPNT ,GP NT系统作为一个计算机辅助设计和分析工具 ,使用户可在交互式的计算机图形方式下进行Petri网的建立、删除、修改和存储 .并可通过对关联矩阵的初等线性变换求解Petri网的S不变量和T不变量 ,本GPNT系统可用于Petri网模型的设计、分析和动态仿真 Application of object-oriented thinking and visual programming tools VisualC + + language has developed a graphical Petri net modeling tool GPNT, GP NT system as a computer-aided design and analysis tools that allow users to interactive Petri net computer graphics mode The GPNT system can be used in the design, analysis and dynamic simulation of Petri net model by solving the elementary S-invariant and T-invariant of Petri net by the elementary linear transformation of the correlation matrix