EtherCAT技术在机载测试系统通信中的应用

随着航空工业的不断发展,以及机载电子系统的复杂化、高度集成化,对飞行测试提出了更高的要求,为了满足新一代飞机对机载设备的测试要求,构建了网络化的测试系统。以太网EtherCAT技术以其简单、高速、易于实现等特点获得了越来越多的研发人员的关注。在详尽介绍EtherCAT技术原理和协议形式的基础上,研究将EtherCAT总线应用于机载测试系统,通过对其源代码的二次开发实现了从站设备的自动识别与配置,应用中明显提高了机载测试系统测试参数的同步性、实时性、操作简单性和可靠性。

Application of EtherCAT Technology in Communication of Airborne Test System

With the rapid development of aviation industry,as well as complex and a highly integrated of airborne electronic system,the higher requirements for the flight test is put forward to meet the testing requirements of the new generation aircraft airborne equipment,and the networked test system is constructed.Ethernet EtherCAT technology with the characteristics of simpleness,high speed and easy to implement,gets more and more attention to the researchers.In the detailed introduction of the principle and protocols of EtherCAT technology,research will be applied to the airborne test system,and through the secondary development of its open source code to achieve the automatic recognition and configuration of the slave devices,which improves the synchronization,real time,simplification and reliability of test parameters of the airborne test system.