【摘要】 介绍了ARINC429串行总线的数字信息传输规范和工作方式。结合EXC-2000型429卡在某型航姿测试系统中的应用,文中给出了相应的硬件接口设计和软件的实现方法。该系统能够实时高速采集航姿系统输出的航向角、横滚角和俯仰角等航姿信息,并计算出相应的均值和方差显示在测试界面上。实验证明,该系统可广泛应用于以ARINC429总线协议输出地高速数据采集领域,具有良好地通用性和可扩展性。更多还原

【Abstract】 This paper introduces the ARINC429 Digital Information Transmission Specification and working mode.According to 429 board of EXC-2000 in the application of Attitude and Heading Reference Testing System,implementation methods of the software and design of hardware interface are introduced.The system can acquire heading、roll and pitch with high speed and high efficiency,and display their mean and variance in the testing interface.The experiment results show that the system can be widely used in supper-speed data acquisition output by ARINC429 Protocol,and it has good commonality as well as extensibility.更多还原