A Location-Aware Adaptive Vehicle Dynamics System (LAAVDS) is developed to assist the driver in maintaining vehicle handling capabilities through various driving maneuvers. An Intervention Strategy uses a novel measure of handling capability, the Performance Margin, to assess the need to intervene. The driver's commands are modulated to affect desired changes to the Performance Margin in a manner that is minimally intrusive to the driver's control authority. Real-time implementation requires the development of computationally efficient predictive vehicle models which is the focus of this work. This work develops one means to alter the future vehicle states: modulating the driver's throttle commands. First, changes to the longitudinal force are translated to changes in engine torque based on the current operating state (torque and speed) of the engine. Next, the required changes to the throttle to affect these desired changes to engine torque are estimated by developing a linearized, inverse engine model based on the steady-state conditions. These predicted changes to the throttle command are used in the correction stage of the algorithm in which a full non-linear vehicle model yields the resulting longitudinal force response to the predicted change in throttle. Finally, the predictor-corrector control loop is closed by comparing the desired longitudinal force to the resulting force. The performance of the throttle modulation method is exhibited through simulation results on two test cases. Results show that the proposed approach yields a significant overall performance improvement.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Location-Aware Adaptive Vehicle Dynamics System: Throttle Modulation


    Weitere Titelangaben:

    Sae International Journal of Passenger Cars. Mechanical Systems
    Sae Int. J. Passeng. Cars - Mech. Syst


    Beteiligte:

    Kongress:

    SAE 2014 World Congress & Exhibition ; 2014



    Erscheinungsdatum :

    2014-04-01


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Location-Aware Adaptive Vehicle Dynamics System: Throttle Modulation

    Cho, S. / Bandy, R.A. / Ferris, J. et al. | British Library Conference Proceedings | 2014


    Location-Aware Adaptive Vehicle Dynamics System: Brake Modulation

    Schlinkheider, Joerg / Ferris, John / Wimmershoff, Marc et al. | SAE Technical Papers | 2014


    Location-Aware Adaptive Vehicle Dynamics System: Brake Modulation

    Cho, S. / Bandy, R.A. / Ferris, J. et al. | British Library Conference Proceedings | 2014


    Location-Aware Adaptive Vehicle Dynamics System: Concept Development

    Bandy, R.A. / Cho, S. / Matthews, C. et al. | British Library Conference Proceedings | 2014


    Location-Aware Adaptive Vehicle Dynamics System: Concept Development

    Matthews, Cullen / Schlinkheider, Joerg / Celli, John et al. | SAE Technical Papers | 2014