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采用交互式电子数据手册(IETM),可以实现数据的互操作性和共享性,从而提高航空电子系统的综合保障水平。首先给出IETM的分类和设计思想。然后运用结构化、模块化、功能化的设计思想,建立IETM开发流程模型,并得到了技术信息收集、数据转换、信息发布的主要方法。最后完成了一种以网络为中心的航电IETM故障诊断系统的设计,该系统能够辅助维修技术人员与故障诊断专家实时在线交互,实现对被测系统的故障诊断与隔离。
Using the Interactive Electronic Data Sheet (IETM), interoperability and sharing of data can be achieved, thereby enhancing the overall level of security for avionics systems. First, IETM classification and design ideas are given. Then using the structured, modular and functional design ideas, IETM development process model is established and the main methods of technical information collection, data conversion and information release are obtained. Finally, a network-centered avionics IETM fault diagnosis system is designed. The system can assist the maintenance technicians and fault diagnosis experts to interact online in real time to realize the fault diagnosis and isolation of the tested system.