基于MC9S12的自由活塞式内燃机电控系统设计  

Design of Free Piston Engine ECU Based on MC9S12

作　　者：李庆峰[1] 刘涛[1] 肖进[1] 黄震[1] 

机构地区：[1]上海交通大学动力机械与工程教育部重点实验室,上海200240

出　　处：《内燃机工程》2011年第1期19-23,共5页Chinese Internal Combustion Engine Engineering

基　　金：国家自然科学基金项目(50806046)

摘　　要：利用MC9S12DP512针对性地设计了适合自由活塞式内燃机的电控系统硬件,并匹配编制了对应软件。分析了ECU的具体功能,阐述了设计使用的微处理器模块、电源模块、传感器信号处理模块、驱动模块以及通信模块的基本设计方法。试验结果表明:电控系统采用模块化设计,功能性强,能够精确地完成对自由活塞式内燃机的监测和控制,实现目标控制功能。Hardware and software of electron-control unit （ECU） for the free piston engine were developed based on Mcgs12DP512. The ECU contained such modules as MCU, power supply, driving circuit and communication interface. Their particular functions and design methods were explained. Experiments demonstrate that the modularization designed control unit is of very strong function and able to fulfill the monitor and control objectives for the free piston engine accurately.

关 键 词：内燃机 自由活塞式发动机 电控系统 硬件设计 

分 类 号：TK411[动力工程及工程热物理—动力机械及工程]