A unified engine torque actuator for heavy-duty vehicles is developed in this paper. Based on averaging and identification on the instantaneous torque response for changes in brake valve timing and fuel flow, we derive a control oriented engine model of a six cylinder, 350 Hp turbocharged diesel engine, equipped with a compression brake. This work bridges the gap between the detailed compression crank angle based models developed in the engine design community, and the first order lag representation of diesel engine torque response used in the vehicle dynamics community. Moreover, we integrate the compression brake actuator with the service brakes and design a PI-controller that emulates the driver's actions during long descends on grades. The controller simply uses the engine speed measurement to activate the service brakes only when needed.


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    Titel :

    Brake valve timing and fuel injection: A unified engine torque actuator for heavy-duty vehicles


    Beteiligte:
    Moklegaard, L. (Autor:in) / Druzhinina, M. (Autor:in) / Stefanopoulou, A. (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 36 , 2-3 ; 179-201


    Erscheinungsdatum :

    2001


    Format / Umfang :

    23 Seiten, 16 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Brake Valve Timing and Fuel Injection: a Unified Engine Torque Actuator for Heavy-Duty Vehicles

    Moklegaard, Lasse / Druzhinina, Maria / Stefanopoulou, Anna | Taylor & Francis Verlag | 2001


    Brake Valve Timing and Fuel Injection: A Unified Engine Torque Actuator for Heavy-Duty Vehicles

    Moklegaard, L. / Druzhinina, M. / Stefanopoulou, A. | British Library Conference Proceedings | 2001



    Brake valve timing and fuel injection: a unified engine torque actuator for heavy-duty vehicles

    Moklegaard,L. / Druzhinina,M. / Stefanopoulou,S. et al. | Kraftfahrwesen | 2001


    An Alternative Variable Valve Timing System for Heavy Duty Vehicles

    Eriksson, Mikael / Olovsson, Daniel | BASE | 2016

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