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    Analytical and Experimental Evaluation of Various Active Suspension Alternatives for Superior Ride Comfort and Utilization of Autonomous Vehicles

    Source: Journal of Autonomous Vehicles and Systems:;2021:;volume( 001 ):;issue: 001::page 011004-1
    Author:
    Cvok, Ivan
    ,
    Hrgetić, Mario
    ,
    Hoić, Matija
    ,
    Deur, Joško
    ,
    Hrovat, Davor
    ,
    Eric Tseng, H.
    DOI: 10.1115/1.4048584
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Autonomous vehicles (AVs) give the driver opportunity to engage in productive or pleasure-related activities, which will increase AV’s utility and value. It is anticipated that many AVs will be equipped with active suspension extended with road disturbance preview capability to provide the necessary superior ride comfort resulting in almost steady work or play platform. This article deals with assessing the benefits of introducing various active suspensions and related linear quadratic regulator (LQR) controls in terms of improving the work/leisure ability. The study relies on high-performance shaker rig-based tests of a group of 44 drivers involved in reading/writing, drawing, and subjective ride comfort rating tasks. The test results indicate that there is a threshold of root-mean-square vertical acceleration, below which the task execution performance is similar to that corresponding to standstill conditions. For the given, relatively harsh road disturbance profile, only the fully active suspension with road preview control can suppress the vertical acceleration below the above critical superior comfort threshold. However, when adding an active seat suspension, the range of chassis suspension types for superior ride comfort is substantially extended and can include semi-active suspension and even passive suspension in some extreme cases that can, however, lead to excessive relative motion between the seat and the vehicle floor. The design requirements gained through simulation analysis, and extended with cost and packaging requirements related to passenger car applications, have guided design of two active seat suspension concepts applicable to the shaker rig and production vehicles.
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      Analytical and Experimental Evaluation of Various Active Suspension Alternatives for Superior Ride Comfort and Utilization of Autonomous Vehicles

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    contributor authorCvok, Ivan
    contributor authorHrgetić, Mario
    contributor authorHoić, Matija
    contributor authorDeur, Joško
    contributor authorHrovat, Davor
    contributor authorEric Tseng, H.
    date accessioned2022-02-04T23:02:29Z
    date available2022-02-04T23:02:29Z
    date copyright1/1/2021 12:00:00 AM
    date issued2021
    identifier issn2690-702X
    identifier otherjavs_1_1_011004.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4275971
    description abstractAutonomous vehicles (AVs) give the driver opportunity to engage in productive or pleasure-related activities, which will increase AV’s utility and value. It is anticipated that many AVs will be equipped with active suspension extended with road disturbance preview capability to provide the necessary superior ride comfort resulting in almost steady work or play platform. This article deals with assessing the benefits of introducing various active suspensions and related linear quadratic regulator (LQR) controls in terms of improving the work/leisure ability. The study relies on high-performance shaker rig-based tests of a group of 44 drivers involved in reading/writing, drawing, and subjective ride comfort rating tasks. The test results indicate that there is a threshold of root-mean-square vertical acceleration, below which the task execution performance is similar to that corresponding to standstill conditions. For the given, relatively harsh road disturbance profile, only the fully active suspension with road preview control can suppress the vertical acceleration below the above critical superior comfort threshold. However, when adding an active seat suspension, the range of chassis suspension types for superior ride comfort is substantially extended and can include semi-active suspension and even passive suspension in some extreme cases that can, however, lead to excessive relative motion between the seat and the vehicle floor. The design requirements gained through simulation analysis, and extended with cost and packaging requirements related to passenger car applications, have guided design of two active seat suspension concepts applicable to the shaker rig and production vehicles.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAnalytical and Experimental Evaluation of Various Active Suspension Alternatives for Superior Ride Comfort and Utilization of Autonomous Vehicles
    typeJournal Paper
    journal volume1
    journal issue1
    journal titleJournal of Autonomous Vehicles and Systems
    identifier doi10.1115/1.4048584
    journal fristpage011004-1
    journal lastpage011004-21
    page21
    treeJournal of Autonomous Vehicles and Systems:;2021:;volume( 001 ):;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
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