The increasing popularity of sport utility/light-duty vehicles has prompted the investigation of active roll management systems to reduce vehicle body roll. To minimize vehicle body roll and improve passenger comfort, one emerging solution is an active torsion bar control system. The validation of automotive safety systems requires analytical evaluation and laboratory testing prior to implementation on an actual vehicle. In this article, a computer simulation tool and accompanying hardware-in-the-loop test environment are presented for active torsion bar systems to study component configurations and performance limits. The numerical simulation illustrates that the hydraulic cylinder extension limits the active torsion system's ability to provide body roll angle reduction under various driving conditions. To compare the control system's time constant and body roll minimization capabilities for different hydraulic valve assemblies and equivalent hose lengths, an experimental test stand was created. For a typical hydraulic pressure and hose diameter, the equivalent hose length was not a key design variable that impacted the system response time. However, the servo-valve offered a quicker transient response and smoother steady-state behavior than the solenoid poppet actuators that may increase occupant safety and comfort.


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    Titel :

    Investigation of active torsion bar actuator configurations to reduce vehicle body roll


    Weitere Titelangaben:

    Untersuchung einer Aktorkonfiguration bei aktiven Drehstabfedern zur Dämpfung der Fahrzeug-Schaukelbewegungen


    Beteiligte:
    Cimba, David (Autor:in) / Wagner, John (Autor:in) / Baviskar, Abhijit (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 44 , 9 ; 719-736


    Erscheinungsdatum :

    2006


    Format / Umfang :

    18 Seiten, 31 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Investigation of active torsion bar actuator configurations to reduce vehicle body roll

    Cimba, David / Wagner, John / Baviskar, Abhijit | Taylor & Francis Verlag | 2006


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