Low frequency terrain induced vibrations transmitted to the off-road vehicle operators are quite severe and exceed I.S.O specified “fatigue decreased proficiency” limits. In this paper, the ride improvement of an agricultural tractor is sought through effective designs of passive seat suspensions. The dynamic analysis of existing bounce suspension seats is carried out to establish its ride performance behaviour. Optimal bounce seat suspension parameters are selected with an objective to maintain the ride vibration levels within 4 hours exposure “fatigue decreased proficiency” limits. The roll and pitch ride vibrations, perceived by the operators, can be attenuated through a gimbal arrangement mounted to the bounce suspension seat. The optimal parameters of the combined seat isolator are selected using parametric optimization techniques. Also a horizontal isolator, attachable to the bounce or the combined seat isolator, is configured.


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    Titel :

    Suspension Designs to Improve Tractor Ride: I. Passive Seat Suspension


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Rakheja, S. (Autor:in) / Sankar, S. (Autor:in)

    Kongress:

    1984 SAE International Off-Highway and Powerplant Congress and Exposition ; 1984



    Erscheinungsdatum :

    01.09.1984




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Suspension Designs to Improve Tractor Ride: 1. Passive Seat Suspension

    Rakheja,S. / Sankar,S. / Concordia Univ.Montreal,CA | Kraftfahrwesen | 1984


    Suspension Designs to Improve Tractor Ride: 2. Passive Cab Suspension

    Rakheja,S. / Sankar,S. / Concordia Univ.Montreal,CA | Kraftfahrwesen | 1984


    Suspension Designs to Improve Tractor Ride: II. Passive Cab Suspension

    Rakheja, S. / Sankar, S. | SAE Technical Papers | 1984


    Agricultural tractor cab suspension to improve ride comfort

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    Agricultural Tractor Cab Suspension to Improve Ride Comfort

    Salem, M. M. M. / Abd-El-Tawwab, A. M. / Abouel-Seoud, S. A. et al. | British Library Conference Proceedings | 1999