发动机ECU模拟测试系统  

Design of Test System for the Automobile Engine Electronic Control Unit

作　　者：霍亮生[1] 薛迟[1] 崔岩岩[1] 

机构地区：[1]北京工商大学机械工程学院,北京100048

出　　处：《北京建筑工程学院学报》2011年第3期32-35,共4页Journal of Beijing Institute of Civil Engineering and Architecture

摘　　要：随着我国汽车产业迅猛发展,汽车ECU正扮演越来越重要的角色.本系统使用Freescale MC9S12X系列单片机、DAC数模变换器以及数控电位器等对汽车上常用传感器,如曲轴位置传感器、节气门位置传感器、进气温度传感器等信号进行模拟,仿真汽车ECU的运行环境,测试ECU工作状况并采集ECU输出的喷油和点火信号加以分析.结果显示,发动机ECU测试系统产生的各种传感器信号可用于实际车辆检测和发动机ECU开发,同时也为汽车维修带来新的解决方案.With the rapid development of automobile industry,automobile electronic control unit is playing an increasingly important role.The system adopts Freescale MC9S12X series MCU,digital analog converter and digitally controlled Potentiometer as researching tools to simulate signals of sensor in cars,emulate the runtime environment of ECU in cars,test ECU working conditions,collect injection and ignition signals released by ECU and make a further analysis of them.The results show that it can be used in practice and development of engine ECU.At the same time it brings new idea to car repair.

关 键 词：发动机ECU 传感器仿真 MC9S12X微控制器 数模变换器 数控电位器 

分 类 号：U464[机械工程—车辆工程]