汽车发动机信号仿真及测试系统设计

摘要

In the field of engine ECU developement and the relative teaching ,the engine‐signal simulation system has played a significant role .By analyzing the characteristics of the engine signals , this paper designs a signal simulation to achieve the versatility of the engine signal simulation and test system for intelligent configuration ,based on the STM32 .The experimental results show that :the simulation system can provide the most common engine signal w hich helps the the development and teaching of the engine EC U sig nals .%发动机信号仿真系统，在汽车电子控制系统研发及其相关教学领域中有着巨大需求。通过分析发动机传感器信号特点，设计基于32位处理器STM32的下位机典型信号发生系统，实现可智能化配置、参数存储的通用发动机信号仿真及测试系统，并完成上位机的通讯、配置、测试软件。实验结果表明：仿真系统可以提供大部分常见发动机的相关信号，为汽车ECU的开发及汽车电子控制技术教学提供方便。