基于滑模控制的发动机电子节气门研究
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U461.6

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四川省教育厅重点科研项目(教编2004A112)和四川省重点学科建设项目(SZD0410-1)资助。


Engine Electronic Throttle Study based on Sliding Mode Control
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    摘要:

    电子节气门是车用发动机的一个十分重要的装置,为提高汽车行驶的动力性、平稳性、经济性以及降低排放,已经被广泛应用于汽车发动机上。电子节气门是一个典型的非线性系统,结合电子节气门的结构特点,在MATLAB/Simulink平台上建立了动态仿真模型,建立了节气门控制器的数学模型,设计了基于滑模控制的电子节气门控制器,并与PID控制结果进行比较。结果表明,采用滑模控制能克服系统中的非线性和不确定性,节气门开度从小到大的阶跃变化时,无超调而且稳态误差小,能迅速地获得预期节气门的开度。

    Abstract:

    Electronic throttle is a very important device of vehicle engine, in order to improve automotive dynamics, drivability, fuel economy and to reduce emissions, it has been widely applied in automotive engines. Electronic throttle is a typical non-linear system, combined with the characteristics of electronic throttle structure, dynamic simulation model was established in MATLAB/Simulink platform, and the mathematical model of the throttle controller was established, electronic throttle controller based on sliding mode control was designed, and the results were compared with PID. The results show that the sliding mode control can overcome the nonlinear and uncertainty, when the throttle opening has a step change from small to large, the overshoot is little and the steady-state error is small, and the expected throttle degrees is obtained quickly.

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张帅. 基于滑模控制的发动机电子节气门研究[J]. 科学技术与工程, 2009, 9(21): .
Zhang Shuai. Engine Electronic Throttle Study based on Sliding Mode Control[J]. Science Technology and Engineering,2009,9(21).

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历史
  • 收稿日期:2009-07-22
  • 最后修改日期:2009-07-25
  • 录用日期:2009-07-24
  • 在线发布日期: 2009-11-02
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