In this paper a novel framework for idle speed control of a spark ignition engine is introduced. The control task is to maintain the engine speed and the torque reserve at their reference values while the clutch is open. For this purpose a robust control design is proposed using sliding mode theory. It will be shown that this framework is robust against external load torque disturbances, parameter uncertainties and variations in the intake-to-torque-production delay leading to significant changes in the operating conditions of the engine. The performance and the robustness properties of the closed-loop system are demonstrated by nonlinear simulation and experimental results.


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    Title :

    Control of idle engine speed and torque reserve with higher order sliding modes


    Contributors:
    Alt, B. (author) / Blath, J.P. (author) / Svaricek, F. (author) / Schultalbers, M. (author)


    Publication date :

    2009


    Size :

    7 Seiten, 21 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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