基于μC/OS-Ⅱ的线控转向FlexRay通信控制  

Control of FlexRay for Steer-by-Wire System Based on μC/OS-Ⅱ

作　　者：段建民[1] 汪然[1] 于涌川[1] 

机构地区：[1]北京工业大学电子信息与控制工程学院,北京100124

出　　处：《现代电子技术》2010年第7期201-204,207,共5页Modern Electronics Technique

基　　金：北京市教委科技创新平台资助项目(05002011200701)

摘　　要：为解决汽车线控转向系统FlexRay通信中存在的问题,给出一种基于μC/OS-Ⅱ的通信控制设计。首先介绍了FlexRay总线技术,重点说明了通信协议操作控制过程以及应用问题。根据硬件选型进行μC/OS-Ⅱ操作系统的移植,并编写线控转向系统通讯部分的程序。最后进行通信实验,结果表明,所设计的基于μC/OS-Ⅱ操作系统的通信网络具有良好的安全稳定性,满足汽车线控转向系统通信的要求。A design of FlexRay communication network based on μC/OS-Ⅱ operating system is proposed to solve the problem of FlexRay communication network of steer-by-wire（SBW） system for automobiles.FlexRay bus technology is introduced.The problems exsiting in the protocol operation control process and application is descsibed emphatically.μC/OS-Ⅱ is transplanted according to the hardware and the communication program of SBW is designed.The communication experiment was performed.The experimental results show that the communication network based on μC/OS-Ⅱ is safe and reliable,and can satisfy the communication requirements of the SBW system.

关 键 词：线控转向 μC/OS-Ⅱ MC9S12XF512 FLEXRAY总线 安全稳定性 

分 类 号：TP316[自动化与计算机技术—计算机软件与理论]