An electronic engine management system has been developed to control both ignition timing and air-fuel (A/F) ratio to maximize fuel economy. Both controls employ feedback techniques and are therefore intrinsically adaptable to a wide variety of models, as required for a universal retrofit market. The ignition control loop monitors the position of the combustion pressure peak while the mixture control loop senses the lean limit as defined by a roughness threshold. Test results demonstrate fuel economy and transient operation. A brief background to the New Zealand energy conservation program is in included as background to the system’s specification.


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    Titel :

    Retrofit Feedback Control of A/F Ratio and Ignition Timing for Fuel Economy


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Anderson, Hugh (Autor:in) / Morris, J. E. (Autor:in) / Smith, Roy (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1982



    Erscheinungsdatum :

    01.02.1982




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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