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    Adapting an Articulated Vehicle to its Drivers

    Source: Journal of Mechanical Design:;2001:;volume( 123 ):;issue: 001::page 132
    Author:
    Xiaobo Yang
    ,
    Researcher
    ,
    Subhash Rakheja
    ,
    Ion Stiharu
    DOI: 10.1115/1.1336797
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A yaw plane model with limited roll-DOF of a five-axle tractor semitrailer is developed to study the open-loop directional dynamics of the vehicle. A driver model incorporating path preview, low and high frequency compensatory gains and time delays, and prediction of the vehicle state, is developed and integrated with the vehicle model. The coupled model is analyzed to investigate the vehicle design, which could be best adapted in view of the control limits of different driver, which are identified in terms of preview distance, reaction time and compensatory gain. A performance index based upon the vehicle path tracking, directional response characteristics and the driver’s steering effort is formulated and minimized using Gauss-Newton method to derive the desirable ranges of vehicle parameters, that could be adapted for drivers with varying skills. It is concluded that the adaptability and thus the directional performance of the vehicle can be enhanced through variations in the weights and dimensions, and compliant properties of the suspension, tire and the fifth wheel. The results of the study suggest that a driver with superior driving skill can easily adapt a vehicle with relatively large size, soft suspension and higher degree of oversteer. The results further show that the driver-adapted vehicle yields up to 33 percent reduction in the steering effort demand posed on the driver, while the roll angle and yaw rate response decrease by up to 40 percent.
    keyword(s): Vehicles AND Yaw ,
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      Adapting an Articulated Vehicle to its Drivers

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    contributor authorXiaobo Yang
    contributor authorResearcher
    contributor authorSubhash Rakheja
    contributor authorIon Stiharu
    date accessioned2017-05-09T00:05:38Z
    date available2017-05-09T00:05:38Z
    date copyrightMarch, 2001
    date issued2001
    identifier issn1050-0472
    identifier otherJMDEDB-27689#132_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/125666
    description abstractA yaw plane model with limited roll-DOF of a five-axle tractor semitrailer is developed to study the open-loop directional dynamics of the vehicle. A driver model incorporating path preview, low and high frequency compensatory gains and time delays, and prediction of the vehicle state, is developed and integrated with the vehicle model. The coupled model is analyzed to investigate the vehicle design, which could be best adapted in view of the control limits of different driver, which are identified in terms of preview distance, reaction time and compensatory gain. A performance index based upon the vehicle path tracking, directional response characteristics and the driver’s steering effort is formulated and minimized using Gauss-Newton method to derive the desirable ranges of vehicle parameters, that could be adapted for drivers with varying skills. It is concluded that the adaptability and thus the directional performance of the vehicle can be enhanced through variations in the weights and dimensions, and compliant properties of the suspension, tire and the fifth wheel. The results of the study suggest that a driver with superior driving skill can easily adapt a vehicle with relatively large size, soft suspension and higher degree of oversteer. The results further show that the driver-adapted vehicle yields up to 33 percent reduction in the steering effort demand posed on the driver, while the roll angle and yaw rate response decrease by up to 40 percent.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAdapting an Articulated Vehicle to its Drivers
    typeJournal Paper
    journal volume123
    journal issue1
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.1336797
    journal fristpage132
    journal lastpage140
    identifier eissn1528-9001
    keywordsVehicles AND Yaw
    treeJournal of Mechanical Design:;2001:;volume( 123 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian