摘要
单一的离散系统仿真或连续系统仿真已无法满足复杂的CPS系统仿真需求。结合CPS一体化模型的3类实体,对计算实体构建基于事件驱动的离散事件仿真模型(UML模型),对物理实体构建基于动态连续时间坐标的连续时间仿真模型(Simulink模型),并以刻画计算实体和物理实体的交互接口和行为特征为目的,进行协同仿真,构建交互实体模型。给出并分析了UML/Simulink协同建模的优点,研究并分析了3种不同的模型融合方法,结合无人机模型,从模型级对CPS一体化模型的融合进行了分析设计。
Single discrete system simulation or continuous system simulation can＇t meet the complex needs of CPS si-mulation.We divided the integrated model of CPS into three types of entities,built discrete event simulation model（UML model） based on event-driven for the computation entity,continuous-time simulation model（Simulink model） based on time-driven for the physical entity.We applied co-simulation to construct interactive entity,characterizing the interfaces and behaviors of computation entity and physical entity.This paper introduced the advantages of the collaborative modeling of UML/Simulink,investigated and analyzed three different methods for model merging.At the model level,we designed the fusion of the CPS integrated model on the basis of unmanned aerial vehicle model.
出处
《计算机科学》
CSCD
北大核心
2012年第11期24-28,共5页
Computer Science
基金
国家863计划主题项目“面向信息-物理融合的系统平台”(2011AA010102)资助
