Petri nets-based modeling and performance analysis of integrated avionics bus system with emergency message

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.