基于元模型的可重用仿真模型表示方法研究

A Metamodel-based Approach for Reusable Simulation Model Representation

仿真模型的组合与重用是当前复杂系统建模仿真领域的热点研究问题,统一的仿真模型表示方法与表示规范是实现模型重用的关键技术。模型表示在仿真研究中有着重要作用,可重用仿真模型对表示方法和表示规范有具体的需求,当前用于表示仿真模型的方法包括程序设计语言表示、仿真语言表示和通用建模语言表示三种,这三种仿真模型表示方法在满足可重用仿真模型表示需求方面均存在不足,为此文中提出了基于元模型的仿真模型表示方法,给出了元模型表示规范的设计策略。元模型表示方法较好地克服了现有方法存在的不足,可满足模型重用对模型表示的需求。

The composition and reuse of simulation model are currently hot research topics in the area of complex system modeling and simulation. An unified simulation model representation is one of the key techniques to facilitate reuse. The model representation concept and its role in simulation are presented firstly. The reusable simulation models have specific demands on the specification and approach of model representation, which are summarized in the second part. According to these requirements, three major simulation model representation approaches and their shortcomings are analyzed next. The advantages of metamodel in software representation are widely acknowledged in recent years. With this in mind this paper presents a metamodel based approach for reusable simulation model representation, and the design strategy of metamodel - based representation specification is discussed in the final Dart.