针对传统多源异构数据集成模型难以在信息物理融合系统(Cyber-physical system,CPS)中采用中间件实现异构系统概念层关系映射、传输性能低和系统拓展性差等问题,设计出一个基于CPS的异构数据交互模型.所设计模型可实现仿真和物理系统的概念映射;定义控制类和监测类元数据,并根据各类数据采取全量字段或增量字段更新以减轻网络负载;以Protobuf协议为基础搭建通信模型,使系统扩展性能大幅提升;以高层体系结构(High level architecture,HLA)/数据分析服务(Data distribution service,DDS)搭建异构系统交互模型,有效确保CPS的交互实时性.
Research on heterogeneous data interaction model design based on CPS
Aiming at the traditional multi-source heterogeneous data integration model,which is difficult to use middleware to re-alize the conceptual layer relationship mapping of heterogeneous systems in Cyber-physical system and has low transmission perfor-mance and poor system extensibility,a heterogeneous data interaction model based on CPS is designed.The designed model can realize the conceptual mapping between simulation and physical system;define the metadata of control class and monitoring class,and take full field or incremental field updating according to each type of data in order to reduce the network load;build the communication mod-el based on Protobuf protocol,so that the system expansion performance can be greatly improved;and build the system based on the high-level architecture/data distribution service,so that the data distribution service can be used in the CPS,and the data distribution service can be used in the CPS.High level architecture/Data distribution service is used to build the heterogeneous system interaction model,which effectively ensures the real-time interaction of CPS.
国家科技期刊平台
NSTL
万方数据
维普
