This paper presents the characterization of the random noise in driveline output shaft torque measurements that is commonly induced by road disturbances. To investigate the interaction between the shaft torque and road side excitation, torque signals are measured using a magnetoelastic torque sensor, as well as a conventional strain gauge sensor, under various types of road surfaces and conditions such as unevenness. A generalized de-trending method for producing a stationary random signal is first conducted. Statistical methods, in particular the probability density function and transform technique, are utilized to provide an evident signature for identifying the road excitation effect on the vehicle output shaft torque. Analysis results show how the road surface can act as a disturbance input to the vehicle shaft torque.


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    Titel :

    Effect of Road Excitations on Driveline Output Torque Measurements


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yanakiev, Diana (Autor:in) / Kim, Gi-Woo (Autor:in) / Pietron, Gregory (Autor:in) / Kucharski, Joseph (Autor:in) / Wang, Kon-Well (Autor:in) / Fujii, Yuji (Autor:in)

    Kongress:

    SAE 2011 Noise and Vibration Conference and Exhibition ; 2011



    Erscheinungsdatum :

    2011-05-17




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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