This Paper Presents the world's first active noise system for production vehicle implementation. Adopted in the new middle size FF car model, this epoch-making system dramatically reduces the booming noise caused by the second-order harmonic of engine revolution. This is accomplished by using an adaptive control theory based on digital signal processing technology and a digital signal processor (DSP). The system basically employs a multiple error filtered-x LMS algorithm, to which an new algorithm was added to achieve the maximum noise reduction effect under a condition of stable control in a compact system for production vehicle application.


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    Title :

    The Development of an Active Noise Control System for Automobiles


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Passenger Car Conference & Exposition ; 1992



    Publication date :

    1992-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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