Study of Integral Variable Structure Control Method for Stability of SI Engine Idling Speed
Yang Zhang, Nobuo Kurihara
DOI: 10.4236/jsea.2010.38094   PDF    HTML     4,969 Downloads   8,493 Views  


The intake air control system of a gasoline engine is a typical nonlinear system, and included among the adverse fac-tors that always induce poor idle-speed control stability are dead time and disturbances in the intake air control process. In this paper, to improve the responsiveness when idling with regard to disturbances, a mean-value engine model (MVEM) with dead time was constructed as the control object, and the two servo structures of sliding mode control (SMC) were studied for better idle control performance, especially in transient process of speed change. The simulation results confirmed that under the constraint condition of control input, the robustness of idle speed control that is being subjected to torque disturbances and noise disturbances can be greatly improved by use of the servo structure II.

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Zhang, Y. and Kurihara, N. (2010) Study of Integral Variable Structure Control Method for Stability of SI Engine Idling Speed. Journal of Software Engineering and Applications, 3, 813-819. doi: 10.4236/jsea.2010.38094.

Conflicts of Interest

The authors declare no conflicts of interest.


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