Zeigler's DEVS (Discrete Event Systems Specifications) is aformal Method for describing Discrete Event Simulation.In this paper,we introduce a object-oriented method in DEVS, and propose a visual modeling of DEVS by UML.%DEVS是对离散事件系统的一种形式化描述。该文在DEVS中引入面向对象的方法,并采用UML(UnifiedModelingLanguage)对它进行可视化建模。文中提出了基于DEVS的面向对象的一种建模规则和基于UML的可视化建模思想和方法,该方法是对DEVS和UML的扩充和改进。
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