Electromechanical actuation systems are being considered as an alternative to hydraulic systems for controlling clutches and gearshifts in transmissions, since they offer the potential for improved efficiency, better packaging and a reduction in component count. A high-force direct-drive linear electromechanical actuator has been developed which acts directly on the shift rails of either an Automated Manual Transmission (AMT) or a Dual Clutch Transmission (DCT) to facilitate gear selection and provide shift-by-wire functionality. This actuation scheme offers a number of advantages over electric motor and gearbox actuator designs, including simplified construction; the elimination of mechanical gearing, which reduces mechanical hysteresis, backlash and compliance; a low component count, which results in improved robustness; a better dynamic response and the potential for zero ‘off-state’ power consumption. The actuator is controlled using a PD control scheme and MOSFET H-bridge power electronic drive.


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    Titel :

    Development of High Force Electromechanical Linear Actuator for Shift-By-Wire Automated Manual Transmissions


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Turner, A. J. (Autor:in) / Howe, D. (Autor:in) / Ramsay, K. (Autor:in) / Clark, R. E. (Autor:in)

    Kongress:

    SAE 2006 World Congress & Exhibition ; 2006



    Erscheinungsdatum :

    2006-04-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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