某型红外探测系统中1553B总线通信设计与实现

为满足某型红外探测系统中1553B总线通信高实时性的要求，通过对1553B协议特点的研究，提出了一种基于FPGA的1553B总线接口方案，并详细介绍了该方案在某型红外探测系统中的硬件和软件实现方法。某型导弹的红外探测系统用于对空间弱小目标进行实时跟踪，要求通信具有良好的实时性，以达到对探测系统工作参数实时调整的目的，采用BU 65170作为1553B协议执行单元，FPGA作为核心控制单元，控制BU 65170对总线消息进行实时读写并对接收的信息进行解析处理。通过仿真和实验测试，验证了该方案实现1553B总线通信的实时性与稳定性，为某型红外探测系统中高实时性的1553B通信提供了一种可行性方案。

Design and realization of 1553B bus communication in an infrared detection system

According to the requirement of high real time in an infrared detection system, by studying the characteristics of the 1553B protocol, a 1553B bus interface program is proposed and the hardware and software implementation of the program in an infrared detection system is detailed. The infrared detection system of a missile is used to track space dim target, and real time communication is required to achieve the purpose of adjusting operating parameters timely. Using BU 65170 as 1553B protocol processing unit, and FPGA as the core control unit to control BU 65170 to read and write messages timely and parse the received information. Experimental results show that the 1553B bus interface program has high real time and stability, and provide a feasible solution to meet the high real time in an infrared detection system.