Design of Universal Network Interface Detection System for Avionics System Based on Protocol Model Framework

In order to improve the versatility of network interface detection equipment for airborne avionics systems and reduce repeated development work, this paper proposes a general avionics network interface detection system design method. By analyzing the work flow of system data detection, the functional modules are abstracted, and the parts related to the interface protocol are designed universally, and a set of general avionics network interface detection system that adapts to the changes of business units is constructed. The network interface detection system has strong versatility and openness. By customizing the communication protocol of the application system, the network interface detection function of different types of avionics systems can be realized. As a means of designing and debugging avionics systems, the system can effectively support the design, development, testing and debugging of avionics systems.