单缸发动机电控系统硬件设计  

Hardware designs of electronic control system of single cylinder engine

作　　者：祁儒明[1] 刘海潮[1] 郝庆英[2] 郭朋彦[1] 郑俊强[1] 张庆波[1] 莫非 

机构地区：[1]华北水利水电学院,河南郑州450011 [2]河南省科学院能源研究所有限公司,河南郑州450008 [3]国家电网电力科学研究院,江苏南京210061

出　　处：《河南农业大学学报》2011年第2期192-196,共5页Journal of Henan Agricultural University

基　　金：国家自然科学基金资助项目(51075029);华北水利水电学院研究生教育创新课题资助项目(YK2010-01)

摘　　要：针对化油器式单缸发动机广泛存在的油耗高、废气排放超标等问题,提出了将化油器式发动机改造为电控式发动机的方法,并给出了这种电控系统硬件设计方案.该方案设计了此电控系统的数字控制电路、电源模块电路、传感器信号处理电路、执行器驱动电路等.其中转速信号处理倍频电路,可以方便地从化油器式发动机获取满足电控系统需要的转速信号.对该方案进行了硬件电路仿真和联机试验.试验结果表明,该硬件系统能实现电控化改造所需各种信号处理功能和对电控控制原件的驱动功能.Given the carburetor omotorcycle engine＇s disadvantages of the over-standard emission and fuel-hungry,a modified design of single cylinder electronic control is presenteds.This scheme gives the rmodiyied method of electric control system,in which the digital control circuit,the power module circuit system,sensor signal processing circuit,and the driving circuit actuators of electric control system are designed.The frequency doubling circuit designed by the scheme can easily obtain electric control of speed to meet the carburetor type engine.According to simulation of hardware circuit and Multi-machine experiment,the hardware system can realize various signal processing functions and control elements driver functions for ECU,which will implement the accurate control of AFR and Ignition time on the various engine operating conditions for future.It can also reduce fuel consumption and emissions,and improve the dynamic performance of the motorcycle.

关 键 词：单缸发动机 电控单元 硬件设计 倍频电路 

分 类 号：TK413[动力工程及工程热物理—动力机械及工程]