综合考虑研制成本以及卫星在轨运行的可靠性和安全性,使用PCI1680 CAN总线控制卡作为主控节点,模拟小卫星星务系统.系统采用双总线冗余设计来提高可靠性,根据特定的组帧解帧协议实现遥控/遥测功能,同时具备电压采集和电源控制功能,为小卫星系统提供全面、通用的地面测试和调试环境.%Considering the research cost and the dependability and security of the satellite' s running on the track, PCI1680 CAN is used as a master node in this simulator to simulate the small satellites' house-keeping system. A dual bus redundancy scheme is used in the system to enhance the reliability, of which the functions include telemetry/telecontrol realized by the frame protocol, power control and voltage collection, providing all-around and all-purpose ground testing environment for the small satellite system.
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