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J4  2010, Vol. 44 Issue (6): 1122-1126    DOI: 10.3785/j.issn.1008-973X.2010.06.013
能源工程     
基于增量式数字PID的汽油机怠速控制研究
姚栋伟, 吴锋, 杨志家, 俞小莉
浙江大学 动力机械与车辆工程研究所,浙江 杭州 310027
Design of idle speed controller for an SI engine based on incremental digital PID
YAO Dong-wei, WU Feng, YANG Zhi-jia, YU Xiao-li
Power Machinery and Vehicular Engineering Institute, Zhejiang University, Hangzhou 310027, China
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摘要:


摘要: 在深入研究增量式数字PID控制技术基础上,针对所研究的吉利MR479Q四缸四冲程汽油机,设计了怠速控制硬件驱动电路,并给出了增量式数字PID怠速控制用于自行开发发动机管理系统(EMS)的具体实现方案,通过台架试验利用工程整定方法对其控制参数进行了整定,优化系统阶跃响应特性.整定后的数字PID怠速控制系统阶跃响应速度快、超调小,稳态误差合理,并对突变载荷具有较强适应能力,最大超调在±50 r/min以内,稳定时间10~15 s,稳态误差在±20 r/min以内,基本满足汽油机怠速控制系统要求.

Abstract:

The incremental digital PID control technology was analyzed first, and a hardware drive circuit for the idle speed control valve was designed according to the specific features of GEELY MR479Q, a fourcylinder fourstroke electrical controlled gasoline engine. Then an incremental digital PID based idle speed controller was presented and embedded into the selfdeveloped engine management system (EMS), and both controller parameters were tuned empirically by bench test to optimize the system step response. Test results show that the idle speed controller has fast response speed, small overshoot, acceptable steady state error, as well as high stability under engine mutation loads, and the maximum overshoot is less than ±50 r/min, the transient time is about 1015 s, while the steady state error is even less than ±20 r/min. The incremental digital PID controller has basically met the requirements of idle speed control.

出版日期: 2010-07-16
:  U 464.171  
通讯作者: 吴锋,男,教授,博导.     E-mail: wfice@cmee.zju.edu.cn
作者简介: 姚栋伟(1981—),男,浙江德清人,博士生,主要研究方向为掺醇汽油蒸发过程及进气空燃比控制.E-mail:cyril1205@163.com
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引用本文:

姚栋伟, 吴锋, 杨志家, 俞小莉. 基于增量式数字PID的汽油机怠速控制研究[J]. J4, 2010, 44(6): 1122-1126.

TAO Dong-Wei, TUN Feng, YANG Zhi-Jia, SHU Xiao-Chi. Design of idle speed controller for an SI engine based on incremental digital PID. J4, 2010, 44(6): 1122-1126.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2010.06.013        http://www.zjujournals.com/eng/CN/Y2010/V44/I6/1122

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