基于CAN总线的混合动力汽车通讯系统工程应用

Technical Application of Controller Area Network on Hybrid Electrical Vehicle

混合动力电动汽车控制部件多,各部件间有大量数据及控制字通讯。利用CAN总线实现混合动力电动汽车各部件间的通讯;设计并实现了混合动力电动汽车电气网络控制单元间信息的传输和数据共享。提出以CAN总线设计方法简化节点设计,从而使各控制单元网络化设计真正达到简化布线、提高装配效率、节省空间、减小质量、提高故障诊断效率等目的。

It is of increasing importance to design and implementing vehicle networks for transferring information between electrical control units on hybrid electrical vehicle （HEV）. Using controller area network （CAN） technology to realize communication and datasharing between the electrical units on the HEV. The principle and communication protocol of electrical control units （ECU） CAN node are introduced. By considering different sensitivity of the devices to the latency of data transportation, a new design procedure, is proposed for the purpose of simplication network codes, and wiring harness, reduction of assembly space and weight, improvement assembly efficiency, and enhancement of fault-diagnose is in auto networks.