针对航天领域的CAN 总线技术，本文提出一种新的FlexRay 总线通信方式，并介绍了一种基于FPGA+ FlexRay 架构的处理模式，同时描述了FlexRay 总线的特点和工作原理，从协议上分析了FlexRay 总线在航天领域应用的可行 性，从芯片选用、原理设计、接口实现以及软件设计等方面阐述了FlexRay 总线在我国航天领域的应用。

Aiming at CAN bus technology in aerospace field, this article proposes a new FlexRay bus communication mod. It introduces a processing mod based on FPGA + FlexRay architecture, and describes the characteristics and working principle of FlexRay bus. It analyzes the feasibility of the application of FlexRay bus in the aerospace field from communication protocol, and expoundes the application of FlexRay bus in the aerospace field of our country from the aspects of chip selection, principle design, interface realization and software design.