The AFR control accuracy in the cold start is crucial to lowering emissions from IC-engine vehicles. An artificial UEGO “sensor” for estimating the real-time AFR during the engine cold start has been developed on the basis of a fuel-perturbation algorithm at Ford Scientific Research Labs. The AFR values calculated by the artificial UEGO sensor have been used in the closed-loop fuel control. Considering that the engine cold start AFR is an uncertain, non-linear problem, some other techniques for optimizing the input stimulation signal and the output-filtering model are integrated together with the fuel perturbation. This artificial sensor was realized and its performance was tested on a Ford vehicle for EPA75 cold 505 test. The assessment of the artificial sensor was quite different in comparison with that of a real UEGO sensor. The concept of this artificial UEGO sensor may also be applied to lean-combustion control, FMM (failure mode management) emissions control, reduction in vehicle calibration time, and misfire diagnosis.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    An Artificial UEGO Sensor for Engine Cold Start - Methodology, Design, and Performance


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Tang, Xiaoguo (Autor:in)

    Kongress:

    SAE 2000 World Congress ; 2000



    Erscheinungsdatum :

    06.03.2000




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    An Artificial UEGO Sensor for Engine Cold Start-Methodology, Design, and Performance

    Tang, X. / SAE | British Library Conference Proceedings | 2000



    Interpreting UEGO sensor measurements of mixture AFR

    Shayler, P. J. / Davies, M. T. / Durrant, A. et al. | British Library Conference Proceedings | 1997


    Interpreting UEGO sensor measurements of mixture air fuel ratio

    Shayler,P.J. / Davies,M.T. / Durrant,A. et al. | Kraftfahrwesen | 1997


    Development of a UEGO sensor controller based on dSPACE

    Chen, Jiazhen / Huang, Yunzhi / Zhang, Yuanyuan et al. | IEEE | 2010