Research on Gateway Scheduling Algorithm based on Intra-Vehicle Ethernet-CAN Hybrid Network

Abstract:
Due to the increasing of electronic controllers and functions of intelligent vehicles, the Intra-Vehicle Ethernet-CAN hybrid network has a large number of concurrent data interaction, resulting in a large number of heterogeneous network message data in the process of Intra-Vehicle gateway timeout, high packet loss rate, and even the failure of the driving function. In this paper, a queue scheduling model of heterogeneous network is established by analyzing the packet characteristics and communication processing flow of heterogeneous network, and a scheduling algorithm of Intra-Vehicle Ethernet-CAN hybrid network is designed. Finally, the hardware and software in-loop simulation is carried out on the Intra-Vehicle gateway hardware platform. The results illustrate the proposed scheduling algorithm can effectively reduce transparent transmission delay by 34.3%, and improve the stability of the Intra-Vehicle hybrid network.