This paper describes the development and implementation of an Engine Drag Control algorithm to improve vehicle stability performance.Engine drag can occur on low and high coefficient surfaces when the driver suddenly releases the throttle. If the engine drag force becomes larger than the frictional force between the tire and the road, the tires will break loose from the surface and slip. This could induce vehicle instability especially with rear drive vehicles on low-coefficient surfaces.The EDC algorithm has been developed to provide accurate control of the wheels. EDC will help reduce the yaw rate of the vehicle and thus achieve greater vehicle stability.The paper also presents methods used to test the robustness of such a system. The purpose of the testing was to ensure that there would be no false activations of EDC under normal driving conditions and also to ensure that, when the system is active, it is mostly transparent to the driver.


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    Title :

    Enhanced Vehicle Stability with Engine Drag Control


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2002 World Congress & Exhibition ; 2002



    Publication date :

    2002-03-04




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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