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针对复杂的空间环境,航天器的数据总线不仅具有实现数据传输的功能,而且要求具有高可靠性、高通信速率、好的实时性、好的容错性等特点。文章就航天器姿轨监测参数的具体要求,设计了以集成CAN控制器的高性能单片机C8051F060为核心的航天器姿轨监控通信系统,重点在硬件和软件方面加入了有效提高系统抗干扰性的设计。该系统经实验测试证明,其可靠性、实时性以及传输效率等均可达到应用要求。
For complex space environment, spacecraft data bus not only has the function of data transmission, but also requires high reliability, high communication rate, good real-time, good fault tolerance and so on. In this paper, the spacecraft attitude and orbit monitoring communication system based on C8051F060 with integrated CAN controller is designed based on the specific requirements of spacecraft attitude and orbit monitoring parameters. The emphasis is put on hardware and software to effectively improve system anti-interference design. The system tested by the experiment proved that its reliability, real-time and transmission efficiency can reach the application requirements.