A critical requirement for product design and development is meeting vehicle dynamic performance. Customers changing needs puts tremendous pressure on automotive businesses to launch new vehicles within short durations of time. This makes it mandatory to have a wide-ranging virtual simulation and vigorous validation process to provide best in class ride and handling performance of vehicles. Physical testing of prototypes is the most time-consuming activity, so there is a need of front loading to substitute these requirements at the initial stage of the development cycle. This paper summarizes the overall process for front loading vehicle dynamics requirements during basic architecture definition using virtual simulation.Basic dimensions, CG, weight distribution and steer angle of the new vehicle are derived using concept calculations based on benchmark vehicles. Vehicle dynamics trials are then done for the benchmark vehicles. Based on the subjective and objective data compiled, the objective targets are then set for the new vehicle. Sub system level target, based on full vehicle objective target, is attained using CARSIM software. New suspensions (front and rear), steering and tire parameters are then modelled based on proposed target. This proposed layout is used to derive the basic architecture of the vehicle.The study provides preliminary design intuitions and elasticity to incorporate design changes required to meet the acceptable criteria at the initial stages of product development, thus, helping us to meet the vehicle dynamics performance target without any major tuning activities at the final stages of the project.KeywordsFront loading vehicle dynamics, Target cascading, Ride and Handling


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    Titel :

    Front Loading Vehicle Dynamics Requirements during Basic Architecture Definition Using Virtual Simulation


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE WCX Digital Summit ; 2021



    Erscheinungsdatum :

    2021-04-06




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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