钱程； 王德福； 陈琛；

北京航空航天大学交通科学与工程学院；

【摘要】 本文研究了电子节气门的结构功能特点,设计了基于L9929的电子节气门伺服电机的驱动电路。用C语言编写了基于PID算法的驱动程序,并开发了基于LabVIEW的实验软件平台,完成了对电子节气门的实时控制。

【关键词】 发动机； 电子节气门； 驱动电路；

【Abstract】 Based on characteristics and functions of the electronic throttle control system,the paper developed the driver circuit of the electronic throttle by L9929.The PID algorithm was realized with C program,and software platform based on LabVIEW was conducted to realize the real time control to throttle. 

【Key words】 Internal Combustion Engine； Electronic Throttle； Driver Circuit