The automotive manufacturers today have to put more products faster to the market using shorter vehicle development time and also face significant challenges in vehicle design optimisation due to trade-offs mainly caused by increased focus on fuel economy and CO2 reduction. The market expectation on vehicle acoustics refinement is also increasing and plays a significant role in terms of product perception. With extensive introduction of enablers for improved fuel economy, like automated combustion engine stop/start system as well as down speeding/sizing and more aggressive shift maps for automatic transmissions, additional requirements and development tasks are needed for the noise and vibration (N&V) integration of a driveline. The scope of this paper describes the application of transfer path analysis techniques for low frequency driveline excitation at different low engine speed driving conditions focusing on engine start-up/shut-down events. Assessments of advantages and disadvantages as well as subsystem target allocation synthesis are performed. The data and analysis quality and the effectiveness of achieving the customer expected noise & vibration performance, i.e. the remedy selection, depends heavily of methods applied.


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    Titel :

    N&V Integration and Optimization of Driveline Using Transfer Path Analysis


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Svensson, Christer (Autor:in) / Weckner, Jan (Autor:in) / Sturesson, Per-Olof (Autor:in) / Söhr, Peter (Autor:in) / Karlsson, Rikard (Autor:in)

    Kongress:

    7th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference ; 2012



    Erscheinungsdatum :

    2012-06-13




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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