An experimental system for closed-loop control of air-fuel ratio in a fuel-injected engine using a universal exhaust gas oxygen (UEGO) sensor is described. A model incorporating feed forward and feedback control is characterized for steady- state and feed-forward errors, and response to slowly varying engine load disturbances. The system is implemented on a port fuel injected 4.6L V8 engine with commercially available components, including a universal microcomputer based engine controller and a UEGO sensor and signal conditioning package. The performance of the experimental system is compared with the simulation results and practical limitations of the modeled control system.


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    Titel :

    Steady-State Wide-Range Air-Fuel Ratio Control


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Milot, Danny (Autor:in)

    Kongress:

    International Fuels & Lubricants Meeting & Exposition ; 1992



    Erscheinungsdatum :

    1992-10-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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