导弹测发控系统CAN总线拓扑结构的分析及选择  

Analysis and Selection of CAN Bus Topology for Missile Test and Launch Control System

作　　者：陈基昕 王忠 赵锦宇 CHEN Jixin;WANG Zhong;ZHAO Jinyu(Rocket Force University of Engineering,Xi'an 710025)

机构地区：[1]火箭军工程大学,西安710025

出　　处：《舰船电子工程》2019年第5期129-134,共6页Ship Electronic Engineering

摘　　要：介绍了典型的CAN总线拓扑结构,针对导弹测发控系统的实时性要求,详细说明了本系统CAN网络负载率的计算方法,结合导弹测发控系统的报文预估表,分别计算三种网络拓扑结构的总线负载率,提出了适合于导弹测发控系统的混合型CAN网络拓扑结构,并通过实验对比总线的实际利用率,验证了该拓扑结构的可行性。The typical CAN bus topology is introduced. In view of the real-time requirement of missile test and launch control system,the calculation method of load rate of CAN network in this system is explained in detail. The bus load rate of three network topology structures is calculated by combining with the message prediction table of missile test and launch control system,and it is put forward suitable for missile test and launch control system. The topology of hybrid CAN network is verified,and the feasibility of the topology is verified by comparing the actual utilization rate of the bus.

关 键 词：CAN总线 拓扑结构 网络负载率 

分 类 号：E927[军事—军事装备学]