An approach to achieving uniform cylinder-to-cylinder air-fuel ratio control in the face of injector mismatch and unbalanced airflow due to engine geometry is presented. A key feature of the proposed method is that it functions well with the switching-type exhaust gas oxygen sensor commonly used in automobiles. The controller design, from modeling to experimental implementation in a dynamometer test facility, is documented. A method for achieving an extended operating region based on scheduling the sampling is described.


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    Title :

    Individual cylinder air-fuel ratio control with a single EGO sensor


    Additional title:

    Zylinderselektive Regelung des Kraftstoff-Luft-Verhältnisses mit einem Sensor mit erweitertem Betriebsbereich


    Contributors:
    Grizzle, J.W. (author) / Dobbins, K.L. (author) / Cook, J.A. (author)

    Published in:

    Publication date :

    1991


    Size :

    7 Seiten, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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