A numerical technique, aimed to the reconstruction of the analog output of an analyzer during continuous exhaust gas analysis, is presented. To this purpose the system composed by sample line and analyzer is described as a discrete Linear Time Invariant system with Finite Impulse Response. This technique has been tested on the reconstruction of the continuous emission measurements of diluted exhaust, obtained during a driving cycle acted on a chassis dynamometer. A comparison with the results obtained with CVS bag analysis has been made. The air/fuel ratio during the test cycle has been evaluated and compared with the signal of an oxygen sensor. An attempt to evaluate the emission indices in the transients has been also made, comparing the results of reconstructed and non reconstructed signals.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Some Problems in the Improvement of Measurement of Transient Emissions


    Additional title:

    Sae Technical Papers


    Contributors:
    De Petris, C. (author) / Police, G. (author) / Diana, S. (author) / Giglio, V. (author)

    Conference:

    International Fuels & Lubricants Meeting & Exposition ; 1994



    Publication date :

    1994-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Some problems in the improvement of measurement of transient emissions

    De Petris,C. / Diana,S. / Giglio,V. et al. | Automotive engineering | 1994


    Measurement of Transient PM Emissions in Diesel Engine

    Alberer, Daniel / Oppenauer, Klaus / del Re, Luigi et al. | SAE Technical Papers | 2011


    Signal Reconstruction Techniques for Improved Measurement of Transient Emissions

    Noble, A.D. / Pilley, A.D. / Beaumont, A.J. | SAE Technical Papers | 1990


    Signal reconstruction techniques for improved measurement of transient emissions

    Beaumont,A.J. / Noble,A.D. / Pilley,A.D. et al. | Automotive engineering | 1990