摘要
网络管理能保证车载网络的安全性和可靠性。通过分析OSEK网络管理规范及FlexRay总线的特点,提出在FlexRay总线通信周期动态段中实现OSEK网络管理的方案,给出了FlexRay总线网络管理协议数据单元的定义,分析和研究了FlexRay总线的OSEK网络管理过程及网络管理消息在动态段中延迟发送问题。最后在自行设计的实验平台上进行了实验,验证了本方案的可行性。
Board network should be safeguarded by network management. In this paper, the features of FlexRay network communication and requirement of FlexRay network management are analyzed. OSEK NM is fit for dynamic Segment of FlexRay is concluded. The features of Dynamic Segment in FlexRay is analyzed and OSEK NM is fit for Dynamic Segment is concluded. The paper defines the FlexRay Network Management Protocol Data Unit (NMPDU) based on the combination of FlexRay protocol and OSEK NM. Finally, the system is verified by simulation.
出处
《汽车科技》
2012年第5期54-58,共5页
Auto Sci-Tech
基金
国家电子信息产业发展基金(工信部财函[2011]506号)
安徽省科技人员服务企业项目(10020203015)