基于CAN通讯的双CPU六通道汽车ABS系统设计

Double CPU Six Channel ABS System Design of Vehicle Based on CAN Communication

采用基于CAN消息应答的双CPU的六通道ABS设计,主芯片(MCPU)对轮速信号进行处理,并根据控制逻辑对车辆进行防抱死控制,而从芯片(SCPU)完成对ABS系统的各个部件进行故障检测,并实时地通过CAN总线与主芯片进行信息交换。

The paper designed the six channel ABS system with the double CPU that is communicate by the CAN port.The task of main microprocessor of ABS system dealed with the signal of wheel speed and executes the control algorithm of ABS control progress.The task of slave CPU checked the malfunction of every assembly in the ABS control system.At the last,the key information about the ABS system between the double CPU was exchange by CAN port timely.