车载CAN总线网络系统测试与仿真分析

利用通用CAN总线接口卡、分析仪及分析软件组成低成本车载CAN总线网络测试与仿真分析系统,通过对大众宝来车身舒适系统CAN总线网络进行测试与仿真分析得出,随着网络中CAN控制单元节点的平均发送CAN数据帧时间间隔的延长、发送CAN数据帧的数据长度的减少以及网络通讯波特率的增大,网络负载随之减小,占用系统的带宽减小,系统的后备能力变强,网络性能提高,系统可靠性增加。

Test and Simulation for CAN-bus on Automobile

The test and simulation of lower cost CAN-bus system is composed by CAN-bus communication interface card and analyzer.Through the test and simulation of CAN-bus on Bora's bodywork electronic convenience system we educed:while period of time that every network node transmitted data frames and communication baud rate increased or data length decreased,the network load decreased and using bandwidth increased,the support ability of the system became strong,the capability and reliability of network were improved.