In this paper, a limited bandwidth active suspension system has been employed for the development of a commercial vehicle driver seat suspension system. An eight degrees of freedom tractor semi-trailer model representing driver seat, cab suspension system and tractor main suspension is introduced. The driver seat is supported by an actuator mounted on a linear spring while a shock absorber is connected between the driver seat and cab base. The data have been considered for widely used tractor semi-trailer vehicles. The road surface irregularities are represented as stationary Gaussian random excitation. Linear optimal control theory has been applied to obtain the feedback gains of the driver seat suspension controller with different frequency bandwidths. An optimization for the dynamic controller behaviour is achieved considering the driver vertical acceleration and driver seat suspension working space in the system performance index. The generated results from the proposed system are compared with those obtained from the conventional passive one.


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    Title :

    Comfortable seat suspension design for commercial vehicles


    Contributors:


    Publication date :

    1998


    Size :

    10 Seiten, 8 Bilder, 1 Tabelle, 12 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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