Design of CAN-BUS communication node for electric bus

In order to solve the information exchange problem between various controllers of electric bus,CAN-BUS technology was applied.The importance and characteristics of CAN-BUS as the mainstream field bus were analyzed,and the enormous potential and development prospect of CAN-BUS in electric bus were discussed.After performing the unique analysis on the actual operating condition requirements of electric bus,the complete frame was proposed for CAN-BUS communications system of electric bus.Through studying the four major topological structures of CAN-BUS and by analyzing the protocol standard of CAN,the agreement rules of optical fiber communication in electric bus were defined and the CAN-BUS node applicable for electric bus was designed.Meanwhile,the corresponding software was programmed.The experimental results prove that this solution has much application value in such aspects as the field bus control and information transmission for electric bus.