Abstract Today, the active driver is considered as reference for the development of driving dynamics. However, with the ongoing development of autonomous vehicles, at automation level three according to VDI, the active driver becomes an inattentive passenger. Depending on the changed level of attention and the possible new activities of the occupants in an autonomous car, such as reading, sleeping or working, the requirements for the driving dynamics of vehicles will change as well. So far, different attempts have been made to set these requirements as acceleration limits for the vehicle body derived from empirical studies with conventional cars. In a new approach, acceleration requirements could be derived for the occupant instead of the vehicle body. Thus, in the future the vehicle controller may not only control its driving dynamics with respect to the vehicle itself, but also with respect to its occupants. A driving simulator study, described in this paper, examines the influence of the degree of attention of an occupant, with respect to his movements in the vehicle while cornering. Acceleration measurements are taken directly at the body of the passenger. The study shows that inattentive occupants, distracted by other activities during autonomous driving, will move more compared to attentive ones who observe their environment. In addition, it has been shown that an attentive occupant moves more uniform compared to an inattentive one. It is also expected that the inattentive passenger of an autonomous car will move much more compared to an attentive driver today. This results in new requirements on ride comfort in autonomous vehicles. In this context, the capture of motion of the occupants during autonomous driving could be a good indicator for the experienced driving comfort. The passenger movements caused by accelerations of the body must be in a range, where the occupants are able to follow their requested activities undisturbed, but still provide enough feedback of the driving activities if desired. Its fulfillment is an essential pre-requisite for the ride comfort of autonomous vehicles.


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    Title :

    Requirements on driving dynamics in autonomous driving with regard to motion and comfort


    Contributors:
    Burkhard, Georg (author) / Vos, S. (author) / Munzinger, N. (author) / Enders, E. (author) / Schramm, D. (author)


    Publication date :

    2018-01-01


    Size :

    15 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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