具有紧急消息的航电总线Petri网建模与性能分析  

Petri Nets-based Modeling and Performance Analysis of Integrated Avionics Bus System with Emergency Message

作　　者：张建东[1] 高晓光[1] 吴勇[1] 史国庆[1] 

机构地区：[1]西北工业大学电子信息学院,西安710072

出　　处：《系统仿真学报》2005年第6期1330-1335,共6页Journal of System Simulation

基　　金：国家自然基金(10377014);航空支撑科技基金(03C53002)

摘　　要：在航空电子综合化系统的设计过程中,总线系统的性能指标与整个航电系统的总体指标有着密切的关系。给出了一套完整的基于确定与随机Petri网的综合航电总线系统的性能评价的模型和算法。通过对总线系统的确定与随机Petri网模型的求解,给出了具有紧急消息的总线系统的两个重要性能指标总线负载、延迟时间,通过对性能曲线的分析,可以为综合航电系统的设计和完善提供重要的理论依据。In the design process of integrated avionics system, the performance indices of bus system are closely related to the indices of the whole system. Therefore, the study on the bus system is crucial. It is offered a set of models and relevant algorithms which are used to evaluate integrated avionics bus system with emergency message based on deterministic and stochastic Petri nets (DSPN). The solving of the models gives two important performance indices-busload and delay time. And the analysis of performance curve can provide an important theoretical basis for the design and improvement of the system.

关 键 词：航空电子综合化系统 PETRI网 总线系统 性能分析 紧急消息 

分 类 号：TP202[自动化与计算机技术—检测技术与自动化装置]