CAN总线在卫星半物理实时仿真中的设计与应用  

Design and Application of CAN Bus in Satellite Semi-physical Real-time Simulation

作　　者：唐明南[1] 董云峰[1] 牛跃听[2] 

机构地区：[1]北京航空航天大学宇航学院,北京100083 [2]装甲兵工程学院机械系,北京100072

出　　处：《计算机测量与控制》2008年第1期124-127,共4页Computer Measurement &Control

基　　金：211工程"航天器动力学与控制仿真系统"重点建设项目

摘　　要：针对航天测控通信的强实时性和高可靠性要求,采用CAN总线技术和分布式方案,完成了基于ADuC812的CAN总线硬件设计和VxWorks下的PC/104-CAN卡驱动开发,构建了星载计算机和卫星部件的通信控制系统;测试表明此CAN网络具有高实时性、高传输速率和高可靠性的特点,能够满足卫星姿轨控半物理实时仿真需求,可以应用于卫星整体、系统及部件的开发和测试工作。The communication bus of sateltire needs strong real-time capability and high depcndability.Using CAN bus technique and distrbuted program.the hardware design of CAN bus based on ADuc812 and the drive for PC/104-CAN card under V＆Works are finished.The communication and currol system for onboard computer and components is built.Experitnments presented demonstrate this CAN netwok has strong real-time capability.high transmisston speed and dependability,It satisfies the requirements of satellite semi-physical simula-ton,and can be used in the devclopment of satcllitc.

关 键 词：CAN总线 半物理仿真 实时 VXWORKS ADUC812 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]